abs - Absolute value
acos - Arc cosine
acosh - Inverse hyperbolic cosine
addcslashes - Quote string with slashes in a C style
addslashes - Quote string with slashes
aggregate - dynamic class and object aggregation of methods and properties 
aggregate_info - returns an associative array of the methods and properties from each class that has been aggregated to the object. 
aggregate_methods - dynamic class and object aggregation of methods 
aggregate_methods_by_list - selective dynamic class methods aggregation to an object 
aggregate_methods_by_regexp - selective class methods aggregation to an object using a regular expression 
aggregate_properties - dynamic aggregation of class properties to an object 
aggregate_properties_by_list - selective dynamic class properties aggregation to an object 
aggregate_properties_by_regexp - selective class properties aggregation to an object using a regular expression 
aggregation_info - Alias for aggregate_info
apache_child_terminate - Terminate apache process after this request
apache_lookup_uri - Perform a partial request for the specified URI and return all info about it 
apache_note - Get and set apache request notes
apache_request_headers - Fetch all HTTP request headers
apache_response_headers - Fetch all HTTP response headers 
apache_setenv - Set an Apache subprocess_env variable
array - Create an array 
array_change_key_case - Returns an array with all string keys lowercased or uppercased
array_chunk - Split an array into chunks
array_combine - Creates an array by using one array for keys and another for its values 
array_count_values - Counts all the values of an array
array_diff - Computes the difference of arrays
array_diff_assoc - Computes the difference of arrays with additional index check
array_fill - Fill an array with values
array_filter - Filters elements of an array using a callback function 
array_flip - Exchanges all keys with their associated values in an array
array_intersect - Computes the intersection of arrays
array_intersect_assoc - Computes the intersection of arrays with additional index check
array_keys - Return all the keys of an array
array_key_exists - Checks if the given key or index exists in the array
array_map - Applies the callback to the elements of the given arrays 
array_merge - Merge two or more arrays
array_merge_recursive - Merge two or more arrays recursively
array_multisort - Sort multiple or multi-dimensional arrays
array_pad - Pad array to the specified length with a value 
array_pop - Pop the element off the end of array
array_push - Push one or more elements onto the end of array 
array_rand - Pick one or more random entries out of an array 
array_reduce - Iteratively reduce the array to a single value using a callback function 
array_reverse - Return an array with elements in reverse order 
array_search - Searches the array for a given value and returns the corresponding key if successful 
array_shift - Shift an element off the beginning of array 
array_slice - Extract a slice of the array
array_splice - Remove a portion of the array and replace it with something else 
array_sum - Calculate the sum of values in an array. 
array_unique - Removes duplicate values from an array
array_unshift - Prepend one or more elements to the beginning of array 
array_values - Return all the values of an array
array_walk - Apply a user function to every member of an array 
arsort - Sort an array in reverse order and maintain index association 
ascii2ebcdic - Translate string from ASCII to EBCDIC
asin - Arc sine
asinh - Inverse hyperbolic sine
asort - Sort an array and maintain index association
aspell_check - Check a word [deprecated]
aspell_check_raw - Check a word without changing its case or trying to trim it [deprecated] 
aspell_new - Load a new dictionary [deprecated]
aspell_suggest - Suggest spellings of a word [deprecated]
assert - Checks if assertion is FALSE
assert_options - Set/get the various assert flags
atan - Arc tangent
atan2 - arc tangent of two variables
atanh - Inverse hyperbolic tangent
base64_decode - Decodes data encoded with MIME base64
base64_encode - Encodes data with MIME base64
basename - Returns filename component of path
base_convert - Convert a number between arbitrary bases
bcadd - Add two arbitrary precision numbers
bccomp - Compare two arbitrary precision numbers
bcdiv - Divide two arbitrary precision numbers
bcmod - Get modulus of an arbitrary precision number 
bcmul - Multiply two arbitrary precision number
bcpow - Raise an arbitrary precision number to another 
bcpowmod - Raise an arbitrary precision number to another, reduced by a specified modulus. 
bcscale - Set default scale parameter for all bc math functions 
bcsqrt - Get the square root of an arbitrary precision number 
bcsub - Subtract one arbitrary precision number from another 
bin2hex - Convert binary data into hexadecimal representation 
bindec - Binary to decimal
bindtextdomain - Sets the path for a domain
bind_textdomain_codeset - Specify the character encoding in which the messages from the DOMAIN message catalog will be returned 
bzclose - Close a bzip2 file pointer
bzcompress - Compress a string into bzip2 encoded data
bzdecompress - Decompresses bzip2 encoded data
bzerrno - Returns a bzip2 error number
bzerror - Returns the bzip2 error number and error string in an array
bzerrstr - Returns a bzip2 error string
bzflush - Force a write of all buffered data
bzopen - Open a bzip2 compressed file
bzread - Binary safe bzip2 file read
bzwrite - Binary safe bzip2 file write
call_user_func - Call a user function given by the first parameter 
call_user_func_array - Call a user function given with an array of parameters 
call_user_method - Call a user method on an specific object [deprecated] 
call_user_method_array - Call a user method given with an array of parameters [deprecated] 
cal_days_in_month - Return the number of days in a month for a given year and calendar
cal_from_jd - Converts from Julian Day Count to a supported calendar
cal_info - Returns information about a particular calendar
cal_to_jd - Converts from a supported calendar to Julian Day Count
ccvs_add - Add data to a transaction 
ccvs_auth - Perform credit authorization test on a transaction 
ccvs_command - Performs a command which is peculiar to a single protocol, and thus is not available in the general CCVS API 
ccvs_count - Find out how many transactions of a given type are stored in the system 
ccvs_delete - Delete a transaction
ccvs_done - Terminate CCVS engine and do cleanup work
ccvs_init - Initialize CCVS for use
ccvs_lookup - Look up an item of a particular type in the database # 
ccvs_new - Create a new, blank transaction 
ccvs_report - Return the status of the background communication process 
ccvs_return - Transfer funds from the merchant to the credit card holder 
ccvs_reverse - Perform a full reversal on an already-processed authorization 
ccvs_sale - Transfer funds from the credit card holder to the merchant 
ccvs_status - Check the status of an invoice
ccvs_textvalue - Get text return value for previous function call
ccvs_void - Perform a full reversal on a completed transaction 
ceil - Round fractions up
chdir - Change directory
checkdate - Validate a gregorian date
checkdnsrr - Check DNS records corresponding to a given Internet host name or IP address 
chgrp - Changes file group
chmod - Changes file mode
chop - Alias of rtrim
chown - Changes file owner
chr - Return a specific character
chroot - Change the root directory
chunk_split - Split a string into smaller chunks
class_exists - Checks if the class has been defined
clearstatcache - Clears file status cache
closedir - close directory handle
closelog - Close connection to system logger
COM - COM class
compact - Create array containing variables and their values 
com_addref - Increases the components reference counter. 
com_get - Gets the value of a COM Component's property 
com_invoke - Calls a COM component's method. 
com_isenum - Grabs an IEnumVariant
com_load - Creates a new reference to a COM component 
com_load_typelib - Loads a Typelib
com_propget - Alias of com_get
com_propput - Alias of com_set
com_propset - Alias of com_set
com_release - Decreases the components reference counter. 
com_set - Assigns a value to a COM component's property 
connection_aborted - Returns TRUE if client disconnected
connection_status - Returns connection status bitfield
connection_timeout - Return TRUE if script timed out
constant - Returns the value of a constant
convert_cyr_string - Convert from one Cyrillic character set to another 
copy - Copies file
cos - Cosine
cosh - Hyperbolic cosine
count - Count elements in a variable
count_chars - Return information about characters used in a string 
cpdf_add_annotation - Adds annotation
cpdf_add_outline - Adds bookmark for current page
cpdf_arc - Draws an arc
cpdf_begin_text - Starts text section
cpdf_circle - Draw a circle
cpdf_clip - Clips to current path
cpdf_close - Closes the pdf document
cpdf_closepath - Close path
cpdf_closepath_fill_stroke - Close, fill and stroke current path
cpdf_closepath_stroke - Close path and draw line along path
cpdf_continue_text - Output text in next line
cpdf_curveto - Draws a curve
cpdf_end_text - Ends text section
cpdf_fill - Fill current path
cpdf_fill_stroke - Fill and stroke current path
cpdf_finalize - Ends document
cpdf_finalize_page - Ends page
cpdf_global_set_document_limits - Sets document limits for any pdf document
cpdf_import_jpeg - Opens a JPEG image
cpdf_lineto - Draws a line
cpdf_moveto - Sets current point
cpdf_newpath - Starts a new path
cpdf_open - Opens a new pdf document
cpdf_output_buffer - Outputs the pdf document in memory buffer
cpdf_page_init - Starts new page
cpdf_place_inline_image - Places an image on the page
cpdf_rect - Draw a rectangle
cpdf_restore - Restores formerly saved environment
cpdf_rlineto - Draws a line
cpdf_rmoveto - Sets current point
cpdf_rotate - Sets rotation
cpdf_rotate_text - Sets text rotation angle 
cpdf_save - Saves current environment
cpdf_save_to_file - Writes the pdf document into a file
cpdf_scale - Sets scaling
cpdf_setdash - Sets dash pattern
cpdf_setflat - Sets flatness
cpdf_setgray - Sets drawing and filling color to gray value
cpdf_setgray_fill - Sets filling color to gray value
cpdf_setgray_stroke - Sets drawing color to gray value
cpdf_setlinecap - Sets linecap parameter
cpdf_setlinejoin - Sets linejoin parameter
cpdf_setlinewidth - Sets line width
cpdf_setmiterlimit - Sets miter limit
cpdf_setrgbcolor - Sets drawing and filling color to rgb color value
cpdf_setrgbcolor_fill - Sets filling color to rgb color value
cpdf_setrgbcolor_stroke - Sets drawing color to rgb color value
cpdf_set_action_url - Sets hyperlink 
cpdf_set_char_spacing - Sets character spacing
cpdf_set_creator - Sets the creator field in the pdf document
cpdf_set_current_page - Sets current page
cpdf_set_font - Select the current font face and size
cpdf_set_font_directories - Sets directories to search when using external fonts 
cpdf_set_font_map_file - Sets fontname to filename translation map when using external fonts 
cpdf_set_horiz_scaling - Sets horizontal scaling of text
cpdf_set_keywords - Sets the keywords field of the pdf document
cpdf_set_leading - Sets distance between text lines
cpdf_set_page_animation - Sets duration between pages
cpdf_set_subject - Sets the subject field of the pdf document
cpdf_set_text_matrix - Sets the text matrix
cpdf_set_text_pos - Sets text position
cpdf_set_text_rendering - Determines how text is rendered
cpdf_set_text_rise - Sets the text rise
cpdf_set_title - Sets the title field of the pdf document
cpdf_set_viewer_preferences - How to show the document in the viewer 
cpdf_set_word_spacing - Sets spacing between words
cpdf_show - Output text at current position
cpdf_show_xy - Output text at position
cpdf_stringwidth - Returns width of text in current font
cpdf_stroke - Draw line along path
cpdf_text - Output text with parameters
cpdf_translate - Sets origin of coordinate system
crack_check - Performs an obscure check with the given password
crack_closedict - Closes an open CrackLib dictionary 
crack_getlastmessage - Returns the message from the last obscure check
crack_opendict - Opens a new CrackLib dictionary
crc32 - Calculates the crc32 polynomial of a string
create_function - Create an anonymous (lambda-style) function
crypt - One-way string encryption (hashing)
ctype_alnum - Check for alphanumeric character(s)
ctype_alpha - Check for alphabetic character(s)
ctype_cntrl - Check for control character(s)
ctype_digit - Check for numeric character(s)
ctype_graph - Check for any printable character(s) except space
ctype_lower - Check for lowercase character(s)
ctype_print - Check for printable character(s)
ctype_punct - Check for any printable character which is not whitespace or an alphanumeric character 
ctype_space - Check for whitespace character(s)
ctype_upper - Check for uppercase character(s)
ctype_xdigit - Check for character(s) representing a hexadecimal digit 
curl_close - Close a CURL session
curl_errno - Return the last error number
curl_error - Return a string containing the last error for the current session 
curl_exec - Perform a CURL session
curl_getinfo - Get information regarding a specific transfer 
curl_init - Initialize a CURL session
curl_multi_add_handle - Add a normal cURL handle to a cURL multi handle 
curl_multi_close - Close a set of cURL handles 
curl_multi_exec - Run the sub-connections of the current cURL handle 
curl_multi_getcontent - Return the content of a cURL handle if CURLOPT_RETURNTRANSFER is set 
curl_multi_info_read - Get information about the current transfers 
curl_multi_init - Returns a new cURL multi handle 
curl_multi_remove_handle - Remove a multi handle from a set of cURL handles 
curl_multi_select - Get all the sockets associated with the cURL extension, which can then be "selected" 
curl_setopt - Set an option for a CURL transfer
curl_version - Return the current CURL version
current - Return the current element in an array
cybercash_base64_decode - base64 decode data for Cybercash
cybercash_base64_encode - base64 encode data for Cybercash
cybercash_decr - Cybercash decrypt
cybercash_encr - Cybercash encrypt
cyrus_authenticate - Authenticate against a Cyrus IMAP server 
cyrus_bind - Bind callbacks to a Cyrus IMAP connection 
cyrus_close - Close connection to a Cyrus IMAP server 
cyrus_connect - Connect to a Cyrus IMAP server 
cyrus_query - Send a query to a Cyrus IMAP server 
cyrus_unbind - Unbind ... 
date - Format a local time/date
dbase_add_record - Add a record to a dBase database
dbase_close - Close a dBase database
dbase_create - Creates a dBase database
dbase_delete_record - Deletes a record from a dBase database
dbase_get_record - Gets a record from a dBase database
dbase_get_record_with_names - Gets a record from a dBase database as an associative array 
dbase_numfields - Find out how many fields are in a dBase database 
dbase_numrecords - Find out how many records are in a dBase database 
dbase_open - Opens a dBase database
dbase_pack - Packs a dBase database
dbase_replace_record - Replace a record in a dBase database
dba_close - Close database
dba_delete - Delete entry specified by key
dba_exists - Check whether key exists
dba_fetch - Fetch data specified by key
dba_firstkey - Fetch first key
dba_handlers - List handlers available
dba_insert - Insert entry
dba_list - List all open database files
dba_nextkey - Fetch next key
dba_open - Open database
dba_optimize - Optimize database
dba_popen - Open database persistently
dba_replace - Replace or insert entry
dba_sync - Synchronize database
dblist - Describes the DBM-compatible library being used 
dbmclose - Closes a dbm database
dbmdelete - Deletes the value for a key from a DBM database 
dbmexists - Tells if a value exists for a key in a DBM database 
dbmfetch - Fetches a value for a key from a DBM database 
dbmfirstkey - Retrieves the first key from a DBM database 
dbminsert - Inserts a value for a key in a DBM database 
dbmnextkey - Retrieves the next key from a DBM database
dbmopen - Opens a DBM database
dbmreplace - Replaces the value for a key in a DBM database 
dbplus_add - Add a tuple to a relation
dbplus_aql - Perform AQL query
dbplus_chdir - Get/Set database virtual current directory
dbplus_close - Close a relation
dbplus_curr - Get current tuple from relation
dbplus_errcode - Get error string for given errorcode or last error 
dbplus_errno - Get error code for last operation
dbplus_find - Set a constraint on a relation
dbplus_first - Get first tuple from relation
dbplus_flush - Flush all changes made on a relation
dbplus_freealllocks - Free all locks held by this client
dbplus_freelock - Release write lock on tuple
dbplus_freerlocks - Free all tuple locks on given relation
dbplus_getlock - Get a write lock on a tuple
dbplus_getunique - Get an id number unique to a relation
dbplus_info - ???
dbplus_last - Get last tuple from relation
dbplus_lockrel - Request write lock on relation
dbplus_next - Get next tuple from relation
dbplus_open - Open relation file
dbplus_prev - Get previous tuple from relation
dbplus_rchperm - Change relation permissions
dbplus_rcreate - Creates a new DB++ relation
dbplus_rcrtexact - Creates an exact but empty copy of a relation including indices
dbplus_rcrtlike - Creates an empty copy of a relation with default indices
dbplus_resolve - Resolve host information for relation
dbplus_restorepos - ???
dbplus_rkeys - Specify new primary key for a relation
dbplus_ropen - Open relation file local
dbplus_rquery - Perform local (raw) AQL query
dbplus_rrename - Rename a relation
dbplus_rsecindex - Create a new secondary index for a relation 
dbplus_runlink - Remove relation from filesystem
dbplus_rzap - Remove all tuples from relation
dbplus_savepos - ???
dbplus_setindex - ???
dbplus_setindexbynumber - ???
dbplus_sql - Perform SQL query
dbplus_tcl - Execute TCL code on server side
dbplus_tremove - Remove tuple and return new current tuple
dbplus_undo - ???
dbplus_undoprepare - ???
dbplus_unlockrel - Give up write lock on relation
dbplus_unselect - Remove a constraint from relation
dbplus_update - Update specified tuple in relation
dbplus_xlockrel - Request exclusive lock on relation
dbplus_xunlockrel - Free exclusive lock on relation
dbx_close - Close an open connection/database
dbx_compare - Compare two rows for sorting purposes
dbx_connect - Open a connection/database
dbx_error - Report the error message of the latest function call in the module (not just in the connection) 
dbx_escape_string - Escape a string so it can safely be used in an sql-statement. 
dbx_query - Send a query and fetch all results (if any)
dbx_sort - Sort a result from a dbx_query by a custom sort function 
dcgettext - Overrides the domain for a single lookup
dcngettext - Plural version of dcgettext
deaggregate - Removes the aggregated methods and properties from an object 
debugger_off - Disable internal PHP debugger (PHP 3)
debugger_on - Enable internal PHP debugger (PHP 3)
debug_backtrace - Generates a backtrace 
debug_print_backtrace - Prints a backtrace 
decbin - Decimal to binary
dechex - Decimal to hexadecimal
decoct - Decimal to octal
define - Defines a named constant.
defined - Checks whether a given named constant exists 
define_syslog_variables - Initializes all syslog related constants
deg2rad - Converts the number in degrees to the radian equivalent 
delete - See unlink or unset
dgettext - Override the current domain
die - Alias of exit
dio_close - Closes the file descriptor given by fd
dio_fcntl - Performs a c library fcntl on fd
dio_open - Opens a new filename with specified permissions of flags and creation permissions of mode 
dio_read - Reads n bytes from fd and returns them, if n is not specified, reads 1k block 
dio_seek - Seeks to pos on fd from whence
dio_stat - Gets stat information about the file descriptor fd 
dio_tcsetattr - Sets terminal attributes and baud rate for a serial port 
dio_truncate - Truncates file descriptor fd to offset bytes 
dio_write - Writes data to fd with optional truncation at length 
dir - directory class
dirname - Returns directory name component of path
diskfreespace - Alias of disk_free_space
disk_free_space - Returns available space in directory
disk_total_space - Returns the total size of a directory
dl - Loads a PHP extension at runtime
dngettext - Plural version of dgettext
dns_check_record - Synonym for checkdnsrr
dns_get_mx - Synonym for getmxrr
dns_get_record - Fetch DNS Resource Records associated with a hostname 
DomAttribute-&#62;name - Returns name of attribute 
DomAttribute-&#62;specified - Checks if attribute is specified 
DomAttribute-&#62;value - Returns value of attribute 
DomDocument-&#62;add_root [deprecated] - Adds a root node 
DomDocument-&#62;create_attribute - Create new attribute
DomDocument-&#62;create_cdata_section - Create new cdata node
DomDocument-&#62;create_comment - Create new comment node
DomDocument-&#62;create_element - Create new element node
DomDocument-&#62;create_element_ns - Create new element node with an associated namespace 
DomDocument-&#62;create_entity_reference - 
DomDocument-&#62;create_processing_instruction - Creates new PI node
DomDocument-&#62;create_text_node - Create new text node
DomDocument-&#62;doctype - Returns the document type 
DomDocument-&#62;document_element - Returns root element node 
DomDocument-&#62;dump_file - Dumps the internal XML tree back into a file 
DomDocument-&#62;dump_mem - Dumps the internal XML tree back into a string 
DomDocument-&#62;get_elements_by_tagname - 
DomDocument-&#62;get_element_by_id - Searches for an element with a certain id 
DomDocument-&#62;html_dump_mem - Dumps the internal XML tree back into a string as HTML 
DomDocument-&#62;xinclude - Substitutes XIncludes in a DomDocument Object. 
DomDocumentType-&#62;entities - Returns list of entities 
DomDocumentType-&#62;internal_subset - Returns internal subset 
DomDocumentType-&#62;name - Returns name of document type 
DomDocumentType-&#62;notations - Returns list of notations 
DomDocumentType-&#62;public_id - Returns public id of document type 
DomDocumentType-&#62;system_id - Returns system id of document type 
DomElement-&#62;get_attribute - Returns value of attribute 
DomElement-&#62;get_attribute_node - Returns value of attribute 
DomElement-&#62;get_elements_by_tagname - Gets elements by tagname 
DomElement-&#62;has_attribute - Checks to see if attribute exists 
DomElement-&#62;remove_attribute - Removes attribute 
DomElement-&#62;set_attribute - Adds new attribute 
DomElement-&#62;tagname - Returns name of element 
DomNode-&#62;add_namespace - Adds a namespace declaration to a node. 
DomNode-&#62;append_child - Adds new child at the end of the children 
DomNode-&#62;append_sibling - Adds new sibling to a node 
DomNode-&#62;attributes - Returns list of attributes 
DomNode-&#62;child_nodes - Returns children of node 
DomNode-&#62;clone_node - Clones a node 
DomNode-&#62;dump_node - Dumps a single node 
DomNode-&#62;first_child - Returns first child of node 
DomNode-&#62;get_content - Gets content of node 
DomNode-&#62;has_attributes - Checks if node has attributes 
DomNode-&#62;has_child_nodes - Checks if node has children 
DomNode-&#62;insert_before - Inserts new node as child 
DomNode-&#62;is_blank_node - Checks if node is blank 
DomNode-&#62;last_child - Returns last child of node 
DomNode-&#62;next_sibling - Returns the next sibling of node 
DomNode-&#62;node_name - Returns name of node 
DomNode-&#62;node_type - Returns type of node 
DomNode-&#62;node_value - Returns value of a node 
DomNode-&#62;owner_document - Returns the document this node belongs to 
DomNode-&#62;parent_node - Returns the parent of the node 
DomNode-&#62;prefix - Returns name space prefix of node 
DomNode-&#62;previous_sibling - Returns the previous sibling of node 
DomNode-&#62;remove_child - Removes child from list of children 
DomNode-&#62;replace_child - Replaces a child 
DomNode-&#62;replace_node - Replaces node 
DomNode-&#62;set_content - Sets content of node 
DomNode-&#62;set_name - Sets name of node 
DomNode-&#62;set_namespace - Sets namespace of a node. 
DomNode-&#62;unlink_node - Deletes node 
DomProcessingInstruction-&#62;data - Returns data of pi node 
DomProcessingInstruction-&#62;target - Returns target of pi node 
domxml_new_doc - Creates new empty XML document 
domxml_open_file - Creates a DOM object from XML file
domxml_open_mem - Creates a DOM object of an XML document
domxml_version - Get XML library version 
domxml_xmltree - Creates a tree of PHP objects from an XML document 
domxml_xslt_stylesheet - Creates a DomXsltStylesheet Object from a xml document in a string. 
domxml_xslt_stylesheet_doc - Creates a DomXsltStylesheet Object from a DomDocument Object. 
domxml_xslt_stylesheet_file - Creates a DomXsltStylesheet Object from a xsl document in a file. 
DomXsltStylesheet-&#62;process - Applies the XSLT-Transformation on a DomDocument Object. 
DomXsltStylesheet-&#62;result_dump_file - Dumps the result from a XSLT-Transformation into a file 
DomXsltStylesheet-&#62;result_dump_mem - Dumps the result from a XSLT-Transformation back into a string 
dotnet_load - Loads a DOTNET module
doubleval - Alias of floatval
each - Return the current key and value pair from an array and advance the array cursor 
easter_date - Get UNIX timestamp for midnight on Easter of a given year 
easter_days - Get number of days after March 21 on which Easter falls for a given year 
ebcdic2ascii - Translate string from EBCDIC to ASCII
echo - Output one or more strings
empty - Determine whether a variable is empty
end - Set the internal pointer of an array to its last element 
ereg - Regular expression match
eregi - case insensitive regular expression match
eregi_replace - replace regular expression case insensitive
ereg_replace - Replace regular expression
error_log - Send an error message somewhere
error_reporting - Sets which PHP errors are reported
escapeshellarg - escape a string to be used as a shell argument
escapeshellcmd - escape shell metacharacters
eval - Evaluate a string as PHP code
exec - Execute an external program
exif_imagetype - Determine the type of an image
exif_read_data - Reads the EXIF headers from JPEG or TIFF. This way you can read meta data generated by digital cameras.
exif_thumbnail - Retrieve the embedded thumbnail of a TIFF or JPEG image
exit - Output a message and terminate the current script
exp - Calculates the exponent of e (the Neperian or Natural logarithm base)
explode - Split a string by string
expm1 - Returns exp(number) - 1, computed in a way that is accurate even when the value of number is close to zero 
extension_loaded - Find out whether an extension is loaded
extract - Import variables into the current symbol table from an array 
ezmlm_hash - Calculate the hash value needed by EZMLM
fbsql_affected_rows - Get number of affected rows in previous FrontBase operation 
fbsql_autocommit - Enable or disable autocommit
fbsql_change_user - Change logged in user of the active connection 
fbsql_close - Close FrontBase connection
fbsql_commit - Commits a transaction to the database
fbsql_connect - Open a connection to a FrontBase Server
fbsql_create_blob - Create a BLOB
fbsql_create_clob - Create a CLOB
fbsql_create_db - Create a FrontBase database
fbsql_database - Get or set the database name used with a connection
fbsql_database_password - Sets or retrieves the password for a FrontBase database 
fbsql_data_seek - Move internal result pointer
fbsql_db_query - Send a FrontBase query
fbsql_db_status - Get the status for a given database
fbsql_drop_db - Drop (delete) a FrontBase database
fbsql_errno - Returns the numerical value of the error message from previous FrontBase operation 
fbsql_error - Returns the text of the error message from previous FrontBase operation 
fbsql_fetch_array - Fetch a result row as an associative array, a numeric array, or both 
fbsql_fetch_assoc - Fetch a result row as an associative array 
fbsql_fetch_field - Get column information from a result and return as an object 
fbsql_fetch_lengths - Get the length of each output in a result 
fbsql_fetch_object - Fetch a result row as an object
fbsql_fetch_row - Get a result row as an enumerated array
fbsql_field_flags - Get the flags associated with the specified field in a result 
fbsql_field_len - Returns the length of the specified field 
fbsql_field_name - Get the name of the specified field in a result 
fbsql_field_seek - Set result pointer to a specified field offset 
fbsql_field_table - Get name of the table the specified field is in 
fbsql_field_type - Get the type of the specified field in a result 
fbsql_free_result - Free result memory
fbsql_get_autostart_info - No description given yet
fbsql_hostname - Get or set the host name used with a connection
fbsql_insert_id - Get the id generated from the previous INSERT operation 
fbsql_list_dbs - List databases available on a FrontBase server 
fbsql_list_fields - List FrontBase result fields
fbsql_list_tables - List tables in a FrontBase database
fbsql_next_result - Move the internal result pointer to the next result 
fbsql_num_fields - Get number of fields in result
fbsql_num_rows - Get number of rows in result
fbsql_password - Get or set the user password used with a connection
fbsql_pconnect - Open a persistent connection to a FrontBase Server 
fbsql_query - Send a FrontBase query
fbsql_read_blob - Read a BLOB from the database
fbsql_read_clob - Read a CLOB from the database
fbsql_result - Get result data
fbsql_rollback - Rollback a transaction to the database
fbsql_select_db - Select a FrontBase database
fbsql_set_lob_mode - Set the LOB retrieve mode for a FrontBase result set 
fbsql_set_transaction - Set the transaction locking and isolation 
fbsql_start_db - Start a database on local or remote server
fbsql_stop_db - Stop a database on local or remote server
fbsql_tablename - Get table name of field
fbsql_username - Get or set the host user used with a connection
fbsql_warnings - Enable or disable FrontBase warnings
fclose - Closes an open file pointer
fdf_add_doc_javascript - Adds javascript code to the FDF document
fdf_add_template - Adds a template into the FDF document
fdf_close - Close an FDF document
fdf_create - Create a new FDF document
fdf_enum_values - Call a user defined function for each document value 
fdf_errno - Return error code for last fdf operation
fdf_error - Return error description for fdf error code
fdf_get_ap - Get the appearance of a field
fdf_get_attachment - Extracts uploaded file embedded in the FDF
fdf_get_encoding - Get the value of the /Encoding key
fdf_get_file - Get the value of the /F key
fdf_get_flags - Gets the flags of a field
fdf_get_opt - Gets a value from the opt array of a field
fdf_get_status - Get the value of the /STATUS key
fdf_get_value - Get the value of a field
fdf_get_version - Gets version number for FDF api or file 
fdf_header - Sets FDF-specific output headers
fdf_next_field_name - Get the next field name
fdf_open - Open a FDF document
fdf_open_string - Read a FDF document from a string
fdf_remove_item - Sets target frame for form
fdf_save - Save a FDF document
fdf_save_string - Returns the FDF document as a string
fdf_set_ap - Set the appearance of a field
fdf_set_encoding - Sets FDF character encoding
fdf_set_file - Set PDF document to display FDF data in
fdf_set_flags - Sets a flag of a field
fdf_set_javascript_action - Sets an javascript action of a field
fdf_set_opt - Sets an option of a field
fdf_set_status - Set the value of the /STATUS key
fdf_set_submit_form_action - Sets a submit form action of a field
fdf_set_target_frame - Set target frame for form display
fdf_set_value - Set the value of a field
fdf_set_version - Sets version number for a FDF file 
feof - Tests for end-of-file on a file pointer
fflush - Flushes the output to a file
fgetc - Gets character from file pointer
fgetcsv - Gets line from file pointer and parse for CSV fields
fgets - Gets line from file pointer
fgetss - Gets line from file pointer and strip HTML tags
file - Reads entire file into an array
fileatime - Gets last access time of file
filectime - Gets inode change time of file
filegroup - Gets file group
fileinode - Gets file inode
filemtime - Gets file modification time
fileowner - Gets file owner
fileperms - Gets file permissions
filepro - Read and verify the map file
filepro_fieldcount - Find out how many fields are in a filePro database
filepro_fieldname - Gets the name of a field
filepro_fieldtype - Gets the type of a field
filepro_fieldwidth - Gets the width of a field
filepro_retrieve - Retrieves data from a filePro database
filepro_rowcount - Find out how many rows are in a filePro database
filesize - Gets file size
filetype - Gets file type
file_exists - Checks whether a file or directory exists
file_get_contents - Reads entire file into a string
file_put_contents - Write a string to a file
floatval - Get float value of a variable
flock - Portable advisory file locking
floor - Round fractions down
flush - Flush the output buffer
fmod - Returns the floating point remainder (modulo) of the division of the arguments
fnmatch - Match filename against a pattern
fopen - Opens file or URL
fpassthru - Output all remaining data on a file pointer
fprintf - Write a formatted string to a stream
fputs - Alias of fwrite
fread - Binary-safe file read
FrenchToJD - Converts a date from the French Republican Calendar to a Julian Day Count 
fribidi_log2vis - Convert a logical string to a visual one
fscanf - Parses input from a file according to a format
fseek - Seeks on a file pointer
fsockopen - Open Internet or Unix domain socket connection 
fstat - Gets information about a file using an open file pointer
ftell - Tells file pointer read/write position
ftok - Convert a pathname and a project identifier to a System V IPC key 
ftp_cdup - Changes to the parent directory
ftp_chdir - Changes directories on a FTP server
ftp_chmod - Set permissions on a file via FTP
ftp_close - Closes an FTP connection
ftp_connect - Opens an FTP connection
ftp_delete - Deletes a file on the FTP server
ftp_exec - Requests execution of a program on the FTP server
ftp_fget - Downloads a file from the FTP server and saves to an open file
ftp_fput - Uploads from an open file to the FTP server
ftp_get - Downloads a file from the FTP server
ftp_get_option - Retrieves various runtime behaviours of the current FTP stream
ftp_login - Logs in to an FTP connection
ftp_mdtm - Returns the last modified time of the given file
ftp_mkdir - Creates a directory
ftp_nb_continue - Continues retrieving/sending a file (non-blocking)
ftp_nb_fget - Retrieves a file from the FTP server and writes it to an open file (non-blocking)
ftp_nb_fput - Stores a file from an open file to the FTP server (non-blocking)
ftp_nb_get - Retrieves a file from the FTP server and writes it to a local file (non-blocking)
ftp_nb_put - Stores a file on the FTP server (non-blocking)
ftp_nlist - Returns a list of files in the given directory
ftp_pasv - Turns passive mode on or off
ftp_put - Uploads a file to the FTP server
ftp_pwd - Returns the current directory name
ftp_quit - Alias of ftp_close
ftp_raw - Sends an arbitrary command to an FTP server
ftp_rawlist - Returns a detailed list of files in the given directory
ftp_rename - Renames a file on the FTP server
ftp_rmdir - Removes a directory
ftp_set_option - Set miscellaneous runtime FTP options
ftp_site - Sends a SITE command to the server
ftp_size - Returns the size of the given file
ftp_ssl_connect - Opens an Secure SSL-FTP connection
ftp_systype - Returns the system type identifier of the remote FTP server
ftruncate - Truncates a file to a given length
function_exists - Return TRUE if the given function has been defined 
func_get_arg - Return an item from the argument list
func_get_args - Returns an array comprising a function's argument list 
func_num_args - Returns the number of arguments passed to the function 
fwrite - Binary-safe file write
gd_info - Retrieve information about the currently installed GD library
getallheaders - Fetch all HTTP request headers
getcwd - gets the current working directory
getdate - Get date/time information
getenv - Gets the value of an environment variable
gethostbyaddr - Get the Internet host name corresponding to a given IP address 
gethostbyname - Get the IP address corresponding to a given Internet host name 
gethostbynamel - Get a list of IP addresses corresponding to a given Internet host name 
getimagesize - Get the size of an image
getlastmod - Gets time of last page modification
getmxrr - Get MX records corresponding to a given Internet host name 
getmygid - Get PHP script owner's GID
getmyinode - Gets the inode of the current script
getmypid - Gets PHP's process ID
getmyuid - Gets PHP script owner's UID
getopt - Gets options from the command line argument list
getprotobyname - Get protocol number associated with protocol name 
getprotobynumber - Get protocol name associated with protocol number 
getrandmax - Show largest possible random value
getrusage - Gets the current resource usages
getservbyname - Get port number associated with an Internet service and protocol 
getservbyport - Get Internet service which corresponds to port and protocol 
gettext - Lookup a message in the current domain
gettimeofday - Get current time
gettype - Get the type of a variable
get_browser - Tells what the user's browser is capable of 
get_cfg_var - Gets the value of a PHP configuration option 
get_class - Returns the name of the class of an object
get_class_methods - Returns an array of class methods' names
get_class_vars - Returns an array of default properties of the class 
get_current_user - Gets the name of the owner of the current PHP script 
get_declared_classes - Returns an array with the name of the defined classes
get_defined_constants - Returns an associative array with the names of all the constants and their values 
get_defined_functions - Returns an array of all defined functions 
get_defined_vars - Returns an array of all defined variables 
get_extension_funcs - Returns an array with the names of the functions of a module 
get_html_translation_table - Returns the translation table used by htmlspecialchars and htmlentities 
get_included_files - Returns an array with the names of included or required files 
get_include_path - Gets the current include_path configuration option 
get_loaded_extensions - Returns an array with the names of all modules compiled and loaded 
get_magic_quotes_gpc - Gets the current active configuration setting of magic quotes gpc 
get_magic_quotes_runtime - Gets the current active configuration setting of magic_quotes_runtime 
get_meta_tags - Extracts all meta tag content attributes from a file and returns an array 
get_object_vars - Returns an associative array of object properties
get_parent_class - Retrieves the parent class name for object or class
get_required_files - Alias of get_included_files
get_resource_type - Returns the resource type 
glob - Find pathnames matching a pattern
gmdate - Format a GMT/UTC date/time
gmmktime - Get UNIX timestamp for a GMT date
gmp_abs - Absolute value
gmp_add - Add numbers
gmp_and - Logical AND
gmp_clrbit - Clear bit
gmp_cmp - Compare numbers
gmp_com - Calculates one's complement of a
gmp_div - Alias of gmp_div_q
gmp_divexact - Exact division of numbers
gmp_div_q - Divide numbers
gmp_div_qr - Divide numbers and get quotient and remainder
gmp_div_r - Remainder of the division of numbers
gmp_fact - Factorial
gmp_gcd - Calculate GCD
gmp_gcdext - Calculate GCD and multipliers
gmp_hamdist - Hamming distance
gmp_init - Create GMP number
gmp_intval - Convert GMP number to integer
gmp_invert - Inverse by modulo
gmp_jacobi - Jacobi symbol
gmp_legendre - Legendre symbol
gmp_mod - Modulo operation
gmp_mul - Multiply numbers
gmp_neg - Negate number
gmp_or - Logical OR
gmp_perfect_square - Perfect square check
gmp_popcount - Population count
gmp_pow - Raise number into power
gmp_powm - Raise number into power with modulo
gmp_prob_prime - Check if number is "probably prime"
gmp_random - Random number
gmp_scan0 - Scan for 0
gmp_scan1 - Scan for 1
gmp_setbit - Set bit
gmp_sign - Sign of number
gmp_sqrt - Square root
gmp_sqrtrm - Square root with remainder
gmp_strval - Convert GMP number to string
gmp_sub - Subtract numbers
gmp_xor - Logical XOR
gmstrftime - Format a GMT/UTC time/date according to locale settings 
GregorianToJD - Converts a Gregorian date to Julian Day Count 
gzclose - Close an open gz-file pointer
gzcompress - Compress a string
gzdeflate - Deflate a string
gzencode - Create a gzip compressed string
gzeof - Test for end-of-file on a gz-file pointer
gzfile - Read entire gz-file into an array
gzgetc - Get character from gz-file pointer
gzgets - Get line from file pointer
gzgetss - Get line from gz-file pointer and strip HTML tags 
gzinflate - Inflate a deflated string
gzopen - Open gz-file
gzpassthru - Output all remaining data on a gz-file pointer 
gzputs - Alias for gzwrite
gzread - Binary-safe gz-file read
gzrewind - Rewind the position of a gz-file pointer
gzseek - Seek on a gz-file pointer
gztell - Tell gz-file pointer read/write position
gzuncompress - Uncompress a deflated string
gzwrite - Binary-safe gz-file write
header - Send a raw HTTP header
headers_sent - Checks if or where headers have been sent
hebrev - Convert logical Hebrew text to visual text 
hebrevc - Convert logical Hebrew text to visual text with newline conversion 
hexdec - Hexadecimal to decimal
highlight_file - Syntax highlighting of a file
highlight_string - Syntax highlighting of a string
htmlentities - Convert all applicable characters to HTML entities 
htmlspecialchars - Convert special characters to HTML entities 
html_entity_decode - Convert all HTML entities to their applicable characters 
hwapi_hgcsp - Returns object of class hw_api
hw_api-&#62;checkin - Checks in an object
hw_api-&#62;checkout - Checks out an object
hw_api-&#62;children - Returns children of an object
hw_api-&#62;content - Returns content of an object
hw_api-&#62;copy - Copies physically
hw_api-&#62;dbstat - Returns statistics about database server
hw_api-&#62;dcstat - Returns statistics about document cache server
hw_api-&#62;dstanchors - Returns a list of all destination anchors
hw_api-&#62;dstofsrcanchors - Returns destination of a source anchor
hw_api-&#62;find - Search for objects
hw_api-&#62;ftstat - Returns statistics about fulltext server
hw_api-&#62;hwstat - Returns statistics about Hyperwave server
hw_api-&#62;identify - Log into Hyperwave Server
hw_api-&#62;info - Returns information about server configuration
hw_api-&#62;insert - Inserts a new object
hw_api-&#62;insertanchor - Inserts a new object of type anchor
hw_api-&#62;insertcollection - Inserts a new object of type collection
hw_api-&#62;insertdocument - Inserts a new object of type document
hw_api-&#62;link - Creates a link to an object
hw_api-&#62;lock - Locks an object
hw_api-&#62;move - Moves object between collections
hw_api-&#62;object - Retrieve attribute information
hw_api-&#62;objectbyanchor - Returns the object an anchor belongs to
hw_api-&#62;parents - Returns parents of an object
hw_api-&#62;remove - Delete an object
hw_api-&#62;replace - Replaces an object
hw_api-&#62;setcommitedversion - Commits version other than last version
hw_api-&#62;srcanchors - Returns a list of all source anchors
hw_api-&#62;srcsofdst - Returns source of a destination object
hw_api-&#62;unlock - Unlocks a locked object
hw_api-&#62;user - Returns the own user object
hw_api-&#62;userlist - Returns a list of all logged in users
hw_api_attribute - Creates instance of class hw_api_attribute
hw_api_attribute-&#62;key - Returns key of the attribute
hw_api_attribute-&#62;langdepvalue - Returns value for a given language
hw_api_attribute-&#62;value - Returns value of the attribute
hw_api_attribute-&#62;values - Returns all values of the attribute
hw_api_content - Create new instance of class hw_api_content
hw_api_content-&#62;mimetype - Returns mimetype
hw_api_content-&#62;read - Read content
hw_api_error-&#62;count - Returns number of reasons
hw_api_error-&#62;reason - Returns reason of error
hw_api_object - Creates a new instance of class hw_api_object
hw_api_object-&#62;assign - Clones object
hw_api_object-&#62;attreditable - Checks whether an attribute is editable
hw_api_object-&#62;count - Returns number of attributes
hw_api_object-&#62;insert - Inserts new attribute
hw_api_object-&#62;remove - Removes attribute
hw_api_object-&#62;title - Returns the title attribute
hw_api_object-&#62;value - Returns value of attribute
hw_api_reason-&#62;description - Returns description of reason
hw_api_reason-&#62;type - Returns type of reason
hw_Array2Objrec - convert attributes from object array to object record
hw_changeobject - Changes attributes of an object (obsolete) 
hw_Children - object ids of children
hw_ChildrenObj - object records of children
hw_Close - closes the Hyperwave connection
hw_Connect - opens a connection
hw_connection_info - Prints information about the connection to Hyperwave server 
hw_cp - Copies objects
hw_Deleteobject - deletes object
hw_DocByAnchor - object id object belonging to anchor
hw_DocByAnchorObj - object record object belonging to anchor
hw_Document_Attributes - object record of hw_document
hw_Document_BodyTag - body tag of hw_document
hw_Document_Content - returns content of hw_document
hw_Document_SetContent - sets/replaces content of hw_document
hw_Document_Size - size of hw_document
hw_dummy - Hyperwave dummy function 
hw_EditText - retrieve text document
hw_Error - error number
hw_ErrorMsg - returns error message
hw_Free_Document - frees hw_document
hw_GetAnchors - object ids of anchors of document
hw_GetAnchorsObj - object records of anchors of document
hw_GetAndLock - return bject record and lock object
hw_GetChildColl - object ids of child collections
hw_GetChildCollObj - object records of child collections
hw_GetChildDocColl - object ids of child documents of collection
hw_GetChildDocCollObj - object records of child documents of collection
hw_GetObject - object record
hw_GetObjectByQuery - search object
hw_GetObjectByQueryColl - search object in collection
hw_GetObjectByQueryCollObj - search object in collection
hw_GetObjectByQueryObj - search object
hw_GetParents - object ids of parents
hw_GetParentsObj - object records of parents
hw_getrellink - Get link from source to dest relative to rootid 
hw_GetRemote - Gets a remote document
hw_getremotechildren - Gets children of remote document
hw_GetSrcByDestObj - Returns anchors pointing at object
hw_GetText - retrieve text document
hw_getusername - name of currently logged in user
hw_Identify - identifies as user
hw_InCollections - check if object ids in collections
hw_Info - info about connection
hw_InsColl - insert collection
hw_InsDoc - insert document
hw_insertanchors - Inserts only anchors into text 
hw_InsertDocument - upload any document
hw_InsertObject - inserts an object record
hw_mapid - Maps global id on virtual local id
hw_Modifyobject - modifies object record
hw_mv - Moves objects
hw_New_Document - create new document
hw_objrec2array - Convert attributes from object record to object array
hw_Output_Document - prints hw_document
hw_pConnect - make a persistent database connection
hw_PipeDocument - retrieve any document
hw_Root - root object id
hw_setlinkroot - Set the id to which links are calculated 
hw_stat - Returns status string 
hw_Unlock - unlock object
hw_Who - List of currently logged in users
hypot - Returns sqrt( num1*num1 + num2*num2) 
ibase_add_user - Add a user to a security database (only for IB6 or later) 
ibase_blob_add - Add data into created blob 
ibase_blob_cancel - Cancel creating blob 
ibase_blob_close - Close blob 
ibase_blob_create - Create blob for adding data 
ibase_blob_echo - Output blob contents to browser 
ibase_blob_get - Get len bytes data from open blob 
ibase_blob_import - Create blob, copy file in it, and close it 
ibase_blob_info - Return blob length and other useful info 
ibase_blob_open - Open blob for retrieving data parts 
ibase_close - Close a connection to an InterBase database 
ibase_commit - Commit a transaction
ibase_connect - Open a connection to an InterBase database 
ibase_delete_user - Delete a user from a security database (only for IB6 or later) 
ibase_errmsg - Returns error messages 
ibase_execute - Execute a previously prepared query
ibase_fetch_assoc - Fetch a result row from a query as an associative array 
ibase_fetch_object - Get an object from a InterBase database
ibase_fetch_row - Fetch a row from an InterBase database
ibase_field_info - Get information about a field 
ibase_free_query - Free memory allocated by a prepared query 
ibase_free_result - Free a result set
ibase_modify_user - Modify a user to a security database (only for IB6 or later) 
ibase_num_fields - Get the number of fields in a result set 
ibase_pconnect - Creates an persistent connection to an InterBase database 
ibase_prepare - Prepare a query for later binding of parameter placeholders and execution 
ibase_query - Execute a query on an InterBase database
ibase_rollback - Rolls back a transaction
ibase_timefmt - Sets the format of timestamp, date and time type columns returned from queries 
ibase_trans - Begin a transaction
iconv - Convert string to requested character encoding
iconv_get_encoding - Get current setting for character encoding conversion
iconv_set_encoding - Set current setting for character encoding conversion
ifxus_close_slob - Deletes the slob object
ifxus_create_slob - Creates an slob object and opens it
ifxus_free_slob - Deletes the slob object
ifxus_open_slob - Opens an slob object
ifxus_read_slob - Reads nbytes of the slob object
ifxus_seek_slob - Sets the current file or seek position
ifxus_tell_slob - Returns the current file or seek position
ifxus_write_slob - Writes a string into the slob object
ifx_affected_rows - Get number of rows affected by a query
ifx_blobinfile_mode - Set the default blob mode for all select queries
ifx_byteasvarchar - Set the default byte mode
ifx_close - Close Informix connection
ifx_connect - Open Informix server connection
ifx_copy_blob - Duplicates the given blob object
ifx_create_blob - Creates an blob object
ifx_create_char - Creates an char object
ifx_do - Execute a previously prepared SQL-statement 
ifx_error - Returns error code of last Informix call
ifx_errormsg - Returns error message of last Informix call
ifx_fetch_row - Get row as enumerated array
ifx_fieldproperties - List of SQL fieldproperties
ifx_fieldtypes - List of Informix SQL fields
ifx_free_blob - Deletes the blob object
ifx_free_char - Deletes the char object
ifx_free_result - Releases resources for the query
ifx_getsqlca - Get the contents of sqlca.sqlerrd[0..5] after a query 
ifx_get_blob - Return the content of a blob object
ifx_get_char - Return the content of the char object
ifx_htmltbl_result - Formats all rows of a query into a HTML table 
ifx_nullformat - Sets the default return value on a fetch row 
ifx_num_fields - Returns the number of columns in the query
ifx_num_rows - Count the rows already fetched from a query
ifx_pconnect - Open persistent Informix connection
ifx_prepare - Prepare an SQL-statement for execution
ifx_query - Send Informix query
ifx_textasvarchar - Set the default text mode
ifx_update_blob - Updates the content of the blob object
ifx_update_char - Updates the content of the char object
ignore_user_abort - Set whether a client disconnect should abort script execution 
image2wbmp - Output image to browser or file
imagealphablending - Set the blending mode for an image
imageantialias - Should antialias functions be used or not 
imagearc - Draw a partial ellipse
imagechar - Draw a character horizontally
imagecharup - Draw a character vertically
imagecolorallocate - Allocate a color for an image
imagecolorallocatealpha - Allocate a color for an image
imagecolorat - Get the index of the color of a pixel
imagecolorclosest - Get the index of the closest color to the specified color
imagecolorclosestalpha - Get the index of the closest color to the specified color + alpha
imagecolorclosesthwb - Get the index of the color which has the hue, white and blackness nearest to the given color 
imagecolordeallocate - De-allocate a color for an image
imagecolorexact - Get the index of the specified color
imagecolorexactalpha - Get the index of the specified color + alpha
imagecolormatch - Makes the colors of the palette version of an image more closely match the true color version 
imagecolorresolve - Get the index of the specified color or its closest possible alternative 
imagecolorresolvealpha - Get the index of the specified color + alpha or its closest possible alternative 
imagecolorset - Set the color for the specified palette index
imagecolorsforindex - Get the colors for an index
imagecolorstotal - Find out the number of colors in an image's palette
imagecolortransparent - Define a color as transparent
imagecopy - Copy part of an image
imagecopymerge - Copy and merge part of an image
imagecopymergegray - Copy and merge part of an image with gray scale
imagecopyresampled - Copy and resize part of an image with resampling
imagecopyresized - Copy and resize part of an image
imagecreate - Create a new palette based image
imagecreatefromgd - Create a new image from GD file or URL
imagecreatefromgd2 - Create a new image from GD2 file or URL
imagecreatefromgd2part - Create a new image from a given part of GD2 file or URL
imagecreatefromgif - Create a new image from file or URL
imagecreatefromjpeg - Create a new image from file or URL
imagecreatefrompng - Create a new image from file or URL
imagecreatefromstring - Create a new image from the image stream in the string
imagecreatefromwbmp - Create a new image from file or URL
imagecreatefromxbm - Create a new image from file or URL
imagecreatefromxpm - Create a new image from file or URL
imagecreatetruecolor - Create a new true color image
imagedashedline - Draw a dashed line
imagedestroy - Destroy an image
imageellipse - Draw an ellipse
imagefill - Flood fill
imagefilledarc - Draw a partial ellipse and fill it
imagefilledellipse - Draw a filled ellipse
imagefilledpolygon - Draw a filled polygon
imagefilledrectangle - Draw a filled rectangle
imagefilltoborder - Flood fill to specific color
imagefontheight - Get font height
imagefontwidth - Get font width
imageftbbox - Give the bounding box of a text using fonts via freetype2
imagefttext - Write text to the image using fonts using FreeType 2
imagegammacorrect - Apply a gamma correction to a GD image
imagegd - Output GD image to browser or file
imagegd2 - Output GD2 image
imagegif - Output image to browser or file
imageinterlace - Enable or disable interlace
imageistruecolor - Finds whether an image is a truecolor image.
imagejpeg - Output image to browser or file
imageline - Draw a line
imageloadfont - Load a new font
imagepalettecopy - Copy the palette from one image to another
imagepng - Output a PNG image to either the browser or a file
imagepolygon - Draw a polygon
imagepsbbox - Give the bounding box of a text rectangle using PostScript Type1 fonts 
imagepscopyfont - Make a copy of an already loaded font for further modification 
imagepsencodefont - Change the character encoding vector of a font
imagepsextendfont - Extend or condense a font
imagepsfreefont - Free memory used by a PostScript Type 1 font
imagepsloadfont - Load a PostScript Type 1 font from file
imagepsslantfont - Slant a font
imagepstext - To draw a text string over an image using PostScript Type1 fonts
imagerectangle - Draw a rectangle
imagerotate - Rotate an image with a given angle
imagesavealpha - Set the flag to save full alpha channel information (as opposed to single-color transparency) when saving PNG images. 
imagesetbrush - Set the brush image for line drawing
imagesetpixel - Set a single pixel
imagesetstyle - Set the style for line drawing
imagesetthickness - Set the thickness for line drawing
imagesettile - Set the tile image for filling
imagestring - Draw a string horizontally
imagestringup - Draw a string vertically
imagesx - Get image width
imagesy - Get image height
imagetruecolortopalette - Convert a true color image to a palette image
imagettfbbox - Give the bounding box of a text using TrueType fonts
imagettftext - Write text to the image using TrueType fonts
imagetypes - Return the image types supported by this PHP build
imagewbmp - Output image to browser or file
image_type_to_mime_type - Get Mime-Type for image-type returned by getimagesize, exif_read_data, exif_thumbnail, exif_imagetype
imap_8bit - Convert an 8bit string to a quoted-printable string 
imap_alerts - This function returns all IMAP alert messages (if any) that have occurred during this page request or since the alert stack was reset 
imap_append - Append a string message to a specified mailbox 
imap_base64 - Decode BASE64 encoded text
imap_binary - Convert an 8bit string to a base64 string 
imap_body - Read the message body
imap_bodystruct - Read the structure of a specified body section of a specific message 
imap_check - Check current mailbox
imap_clearflag_full - Clears flags on messages
imap_close - Close an IMAP stream
imap_createmailbox - Create a new mailbox
imap_delete - Mark a messge for deletion from current mailbox 
imap_deletemailbox - Delete a mailbox
imap_errors - This function returns all of the IMAP errors (if any) that have occurred during this page request or since the error stack was reset. 
imap_expunge - Delete all messages marked for deletion
imap_fetchbody - Fetch a particular section of the body of the message 
imap_fetchheader - Returns header for a message
imap_fetchstructure - Read the structure of a particular message 
imap_fetch_overview - Read an overview of the information in the headers of the given message 
imap_getmailboxes - Read the list of mailboxes, returning detailed information on each one 
imap_getsubscribed - List all the subscribed mailboxes
imap_get_quota - Retrieve the quota level settings, and usage statics per mailbox 
imap_get_quotaroot - Retrieve the quota settings per user 
imap_header - Alias of imap_headerinfo
imap_headerinfo - Read the header of the message
imap_headers - Returns headers for all messages in a mailbox 
imap_last_error - This function returns the last IMAP error (if any) that occurred during this page request 
imap_list - Read the list of mailboxes
imap_listmailbox - Alias of imap_list
imap_listscan - Read the list of mailboxes, takes a string to search for in the text of the mailbox 
imap_listsubscribed - Alias of imap_lsub
imap_lsub - List all the subscribed mailboxes
imap_mail - Send an email message 
imap_mailboxmsginfo - Get information about the current mailbox
imap_mail_compose - Create a MIME message based on given envelope and body sections 
imap_mail_copy - Copy specified messages to a mailbox
imap_mail_move - Move specified messages to a mailbox
imap_mime_header_decode - Decode MIME header elements
imap_msgno - This function returns the message sequence number for the given UID 
imap_num_msg - Gives the number of messages in the current mailbox 
imap_num_recent - Gives the number of recent messages in current mailbox
imap_open - Open an IMAP stream to a mailbox
imap_ping - Check if the IMAP stream is still active
imap_qprint - Convert a quoted-printable string to an 8 bit string
imap_renamemailbox - Rename an old mailbox to new mailbox
imap_reopen - Reopen IMAP stream to new mailbox
imap_rfc822_parse_adrlist - Parses an address string
imap_rfc822_parse_headers - Parse mail headers from a string
imap_rfc822_write_address - Returns a properly formatted email address given the mailbox, host, and personal info. 
imap_scanmailbox - Alias of imap_listscan
imap_search - This function returns an array of messages matching the given search criteria 
imap_setacl - Sets the ACL for a giving mailbox 
imap_setflag_full - Sets flags on messages
imap_set_quota - Sets a quota for a given mailbox
imap_sort - Sort an array of message headers
imap_status - This function returns status information on a mailbox other than the current one 
imap_subscribe - Subscribe to a mailbox
imap_thread - Return threaded by REFERENCES tree 
imap_uid - This function returns the UID for the given message sequence number 
imap_undelete - Unmark the message which is marked deleted 
imap_unsubscribe - Unsubscribe from a mailbox
imap_utf7_decode - Decodes a modified UTF-7 encoded string. 
imap_utf7_encode - Converts ISO-8859-1 string to modified UTF-7 text. 
imap_utf8 - Converts MIME-encoded text to UTF-8 
implode - Join array elements with a string
import_request_variables - Import GET/POST/Cookie variables into the global scope
ingres_autocommit - Switch autocommit on or off
ingres_close - Close an Ingres II database connection
ingres_commit - Commit a transaction
ingres_connect - Open a connection to an Ingres II database 
ingres_fetch_array - Fetch a row of result into an array
ingres_fetch_object - Fetch a row of result into an object.
ingres_fetch_row - Fetch a row of result into an enumerated array 
ingres_field_length - Get the length of a field
ingres_field_name - Get the name of a field in a query result.
ingres_field_nullable - Test if a field is nullable
ingres_field_precision - Get the precision of a field
ingres_field_scale - Get the scale of a field
ingres_field_type - Get the type of a field in a query result 
ingres_num_fields - Get the number of fields returned by the last query 
ingres_num_rows - Get the number of rows affected or returned by the last query 
ingres_pconnect - Open a persistent connection to an Ingres II database 
ingres_query - Send a SQL query to Ingres II
ingres_rollback - Roll back a transaction
ini_alter - Alias of ini_set
ini_get - Gets the value of a configuration option
ini_get_all - Gets all configuration options
ini_restore - Restores the value of a configuration option
ini_set - Sets the value of a configuration option
intval - Get integer value of a variable
in_array - Checks if a value exists in an array
ip2long - Converts a string containing an (IPv4) Internet Protocol dotted address into a proper address. 
iptcembed - Embed binary IPTC data into a JPEG image
iptcparse - Parse a binary IPTC http://www.iptc.org/ block into single tags. 
ircg_channel_mode - Set channel mode flags for user 
ircg_disconnect - Close connection to server 
ircg_fetch_error_msg - Returns the error from previous IRCG operation 
ircg_get_username - Get username for connection 
ircg_html_encode - Encodes HTML preserving output 
ircg_ignore_add - Add a user to your ignore list on a server 
ircg_ignore_del - Remove a user from your ignore list on a server 
ircg_is_conn_alive - Check connection status 
ircg_join - Join a channel on a connected server 
ircg_kick - Kick a user out of a channel on server 
ircg_lookup_format_messages - Check for the existence of a format message set 
ircg_msg - Send message to channel or user on server 
ircg_nick - Change nickname on server 
ircg_nickname_escape - Encode special characters in nickname to be IRC-compliant 
ircg_nickname_unescape - Decodes encoded nickname 
ircg_notice - Send a notice to a user on server 
ircg_part - Leave a channel on server 
ircg_pconnect - Connect to an IRC server 
ircg_register_format_messages - Register a format message set 
ircg_set_current - Set current connection for output 
ircg_set_file - Set logfile for connection 
ircg_set_on_die - Set action to be executed when connection dies 
ircg_topic - Set topic for channel on server 
ircg_whois - Query server for user information 
isset - Determine whether a variable is set
is_a - Returns TRUE if the object is of this class or has this class as one of its parents 
is_array - Finds whether a variable is an array
is_bool - Finds out whether a variable is a boolean 
is_callable - Verify that the contents of a variable can be called as a function 
is_dir - Tells whether the filename is a directory
is_double - Alias of is_float
is_executable - Tells whether the filename is executable
is_file - Tells whether the filename is a regular file
is_finite - 
is_float - Finds whether a variable is a float
is_infinite - 
is_int - Find whether a variable is an integer
is_integer - Alias of is_int
is_link - Tells whether the filename is a symbolic link
is_long - Alias of is_int
is_nan - 
is_null - Finds whether a variable is NULL 
is_numeric - Finds whether a variable is a number or a numeric string 
is_object - Finds whether a variable is an object
is_readable - Tells whether the filename is readable
is_real - Alias of is_float
is_resource - Finds whether a variable is a resource 
is_scalar - Finds whether a variable is a scalar 
is_string - Finds whether a variable is a string
is_subclass_of - Returns TRUE if the object has this class as one of its parents 
is_uploaded_file - Tells whether the file was uploaded via HTTP POST
is_writable - Tells whether the filename is writable
is_writeable - Alias of is_writable
java_last_exception_clear - Clear last Java exception
java_last_exception_get - Get last Java exception
JDDayOfWeek - Returns the day of the week
JDMonthName - Returns a month name
JDToFrench - Converts a Julian Day Count to the French Republican Calendar 
JDToGregorian - Converts Julian Day Count to Gregorian date
jdtojewish - Converts a julian day count to a jewish calendar date 
JDToJulian - Converts a Julian Day Count to a Julian Calendar Date 
jdtounix - Convert Julian Day to UNIX timestamp
JewishToJD - Converts a date in the Jewish Calendar to Julian Day Count 
join - Alias for implode
jpeg2wbmp - Convert JPEG image file to WBMP image file
JulianToJD - Converts a Julian Calendar date to Julian Day Count 
key - Fetch a key from an associative array
krsort - Sort an array by key in reverse order
ksort - Sort an array by key
lcg_value - Combined linear congruential generator
ldap_8859_to_t61 - Translate 8859 characters to t61 characters 
ldap_add - Add entries to LDAP directory
ldap_bind - Bind to LDAP directory
ldap_close - Close link to LDAP server
ldap_compare - Compare value of attribute found in entry specified with DN
ldap_connect - Connect to an LDAP server
ldap_count_entries - Count the number of entries in a search
ldap_delete - Delete an entry from a directory
ldap_dn2ufn - Convert DN to User Friendly Naming format
ldap_err2str - Convert LDAP error number into string error message 
ldap_errno - Return the LDAP error number of the last LDAP command 
ldap_error - Return the LDAP error message of the last LDAP command 
ldap_explode_dn - Splits DN into its component parts
ldap_first_attribute - Return first attribute
ldap_first_entry - Return first result id
ldap_first_reference - Return first reference 
ldap_free_result - Free result memory
ldap_get_attributes - Get attributes from a search result entry
ldap_get_dn - Get the DN of a result entry
ldap_get_entries - Get all result entries
ldap_get_option - Get the current value for given option
ldap_get_values - Get all values from a result entry
ldap_get_values_len - Get all binary values from a result entry
ldap_list - Single-level search
ldap_modify - Modify an LDAP entry
ldap_mod_add - Add attribute values to current attributes
ldap_mod_del - Delete attribute values from current attributes
ldap_mod_replace - Replace attribute values with new ones
ldap_next_attribute - Get the next attribute in result
ldap_next_entry - Get next result entry
ldap_next_reference - Get next reference 
ldap_parse_reference - Extract information from reference entry 
ldap_parse_result - Extract information from result 
ldap_read - Read an entry
ldap_rename - Modify the name of an entry
ldap_search - Search LDAP tree
ldap_set_option - Set the value of the given option
ldap_set_rebind_proc - Set a callback function to do re-binds on referral chasing. 
ldap_sort - Sort LDAP result entries 
ldap_start_tls - Start TLS 
ldap_t61_to_8859 - Translate t61 characters to 8859 characters 
ldap_unbind - Unbind from LDAP directory
levenshtein - Calculate Levenshtein distance between two strings 
link - Create a hard link
linkinfo - Gets information about a link
list - Assign variables as if they were an array 
localeconv - Get numeric formatting information
localtime - Get the local time
log - Natural logarithm
log10 - Base-10 logarithm
log1p - Returns log(1 + number), computed in a way that accurate even when the val ue of number is close to zero 
long2ip - Converts an (IPv4) Internet network address into a string in Internet standard dotted format 
lstat - Gives information about a file or symbolic link
ltrim - Strip whitespace from the beginning of a string 
mail - send mail
mailparse_determine_best_xfer_encoding - Figures out the best way of encoding the content read from the file pointer fp, which must be seek-able 
mailparse_msg_create - Returns a handle that can be used to parse a message 
mailparse_msg_extract_part - Extracts/decodes a message section. If callbackfunc is not specified, the contents will be sent to "stdout" 
mailparse_msg_extract_part_file - Extracts/decodes a message section, decoding the transfer encoding 
mailparse_msg_free - Frees a handle allocated by mailparse_msg_crea
mailparse_msg_get_part - Returns a handle on a given section in a mimemessage 
mailparse_msg_get_part_data - Returns an associative array of info about the message 
mailparse_msg_get_structure - Returns an array of mime section names in the supplied message 
mailparse_msg_parse - Incrementally parse data into buffer 
mailparse_msg_parse_file - Parse file and return a resource representing the structure 
mailparse_rfc822_parse_addresses - Parse addresses and returns a hash containing that data 
mailparse_stream_encode - Streams data from source file pointer, apply encoding and write to destfp 
mailparse_uudecode_all - Scans the data from fp and extract each embedded uuencoded file. Returns an array listing filename information 
main - Dummy for main
max - Find highest value
mb_convert_case - Perform case folding on a string
mb_convert_encoding - Convert character encoding
mb_convert_kana - Convert "kana" one from another ("zen-kaku" ,"han-kaku" and more) 
mb_convert_variables - Convert character code in variable(s)
mb_decode_mimeheader - Decode string in MIME header field
mb_decode_numericentity - Decode HTML numeric string reference to character 
mb_detect_encoding - Detect character encoding
mb_detect_order - Set/Get character encoding detection order 
mb_encode_mimeheader - Encode string for MIME header
mb_encode_numericentity - Encode character to HTML numeric string reference 
mb_ereg - Regular expression match with multibyte support
mb_eregi - Regular expression match ignoring case with multibyte support 
mb_eregi_replace - Replace regular expression with multibyte support ignoring case 
mb_ereg_match - Regular expression match for multibyte string 
mb_ereg_replace - Replace regular expression with multibyte support
mb_ereg_search - Multibyte regular expression match for predefined multibyte string 
mb_ereg_search_getpos - Returns start point for next regular expression match 
mb_ereg_search_getregs - Retrive the result from the last multibyte regular expression match 
mb_ereg_search_init - Setup string and regular expression for multibyte regular expression match 
mb_ereg_search_pos - Return position and length of matched part of multibyte regular expression for predefined multibyte string 
mb_ereg_search_regs - Returns the matched part of multibyte regular expression 
mb_ereg_search_setpos - Set start point of next regular expression match 
mb_get_info - Get internal settings of mbstring
mb_http_input - Detect HTTP input character encoding
mb_http_output - Set/Get HTTP output character encoding
mb_internal_encoding - Set/Get internal character encoding 
mb_language - Set/Get current language 
mb_output_handler - Callback function converts character encoding in output buffer 
mb_parse_str - Parse GET/POST/COOKIE data and set global variable 
mb_preferred_mime_name - Get MIME charset string
mb_regex_encoding - Returns current encoding for multibyte regex as string 
mb_regex_set_options - Set/Get the default options for mbregex functions 
mb_send_mail - Send encoded mail. 
mb_split - Split multibyte string using regular expression
mb_strcut - Get part of string
mb_strimwidth - Get truncated string with specified width
mb_strlen - Get string length
mb_strpos - Find position of first occurrence of string in a string 
mb_strrpos - Find position of last occurrence of a string in a string 
mb_strtolower - Make a string lowercase
mb_strtoupper - Make a string uppercase
mb_strwidth - Return width of string
mb_substitute_character - Set/Get substitution character
mb_substr - Get part of string
mb_substr_count - Count the number of substring occurrences
mcal_append_event - Store a new event into an MCAL calendar
mcal_close - Close an MCAL stream
mcal_create_calendar - Create a new MCAL calendar 
mcal_date_compare - Compares two dates
mcal_date_valid - Returns TRUE if the given year, month, day is a valid date 
mcal_days_in_month - Returns the number of days in a month 
mcal_day_of_week - Returns the day of the week of the given date 
mcal_day_of_year - Returns the day of the year of the given date 
mcal_delete_calendar - Delete an MCAL calendar
mcal_delete_event - Delete an event from an MCAL calendar
mcal_event_add_attribute - Adds an attribute and a value to the streams global event structure 
mcal_event_init - Initializes a streams global event structure 
mcal_event_set_alarm - Sets the alarm of the streams global event structure 
mcal_event_set_category - Sets the category of the streams global event structure 
mcal_event_set_class - Sets the class of the streams global event structure 
mcal_event_set_description - Sets the description of the streams global event structure 
mcal_event_set_end - Sets the end date and time of the streams global event structure 
mcal_event_set_recur_daily - Sets the recurrence of the streams global event structure 
mcal_event_set_recur_monthly_mday - Sets the recurrence of the streams global event structure 
mcal_event_set_recur_monthly_wday - Sets the recurrence of the streams global event structure 
mcal_event_set_recur_none - Sets the recurrence of the streams global event structure 
mcal_event_set_recur_weekly - Sets the recurrence of the streams global event structure 
mcal_event_set_recur_yearly - Sets the recurrence of the streams global event structure 
mcal_event_set_start - Sets the start date and time of the streams global event structure 
mcal_event_set_title - Sets the title of the streams global event structure 
mcal_expunge - Deletes all events marked for being expunged. 
mcal_fetch_current_stream_event - Returns an object containing the current streams event structure 
mcal_fetch_event - Fetches an event from the calendar stream 
mcal_is_leap_year - Returns if the given year is a leap year or not 
mcal_list_alarms - Return a list of events that has an alarm triggered at the given datetime 
mcal_list_events - Return a list of IDs for a date or a range of dates 
mcal_next_recurrence - Returns the next recurrence of the event
mcal_open - Opens up an MCAL connection
mcal_popen - Opens up a persistent MCAL connection
mcal_rename_calendar - Rename an MCAL calendar 
mcal_reopen - Reopens an MCAL connection
mcal_snooze - Turn off an alarm for an event
mcal_store_event - Modify an existing event in an MCAL calendar
mcal_time_valid - Returns TRUE if the given year, month, day is a valid time 
mcal_week_of_year - Returns the week number of the given date 
mcrypt_cbc - Encrypt/decrypt data in CBC mode
mcrypt_cfb - Encrypt/decrypt data in CFB mode
mcrypt_create_iv - Create an initialization vector (IV) from a random source 
mcrypt_decrypt - Decrypts crypttext with given parameters
mcrypt_ecb - Encrypt/decrypt data in ECB mode
mcrypt_encrypt - Encrypts plaintext with given parameters
mcrypt_enc_get_algorithms_name - Returns the name of the opened algorithm
mcrypt_enc_get_block_size - Returns the blocksize of the opened algorithm
mcrypt_enc_get_iv_size - Returns the size of the IV of the opened algorithm
mcrypt_enc_get_key_size - Returns the maximum supported keysize of the opened mode
mcrypt_enc_get_modes_name - Returns the name of the opened mode
mcrypt_enc_get_supported_key_sizes - Returns an array with the supported keysizes of the opened algorithm
mcrypt_enc_is_block_algorithm - Checks whether the algorithm of the opened mode is a block algorithm
mcrypt_enc_is_block_algorithm_mode - Checks whether the encryption of the opened mode works on blocks
mcrypt_enc_is_block_mode - Checks whether the opened mode outputs blocks
mcrypt_enc_self_test - This function runs a self test on the opened module
mcrypt_generic - This function encrypts data
mcrypt_generic_deinit - This function deinitializes an encryption module 
mcrypt_generic_end - This function terminates encryption
mcrypt_generic_init - This function initializes all buffers needed for encryption
mcrypt_get_block_size - Get the block size of the specified cipher
mcrypt_get_cipher_name - Get the name of the specified cipher
mcrypt_get_iv_size - Returns the size of the IV belonging to a specific cipher/mode combination 
mcrypt_get_key_size - Get the key size of the specified cipher
mcrypt_list_algorithms - Get an array of all supported ciphers
mcrypt_list_modes - Get an array of all supported modes
mcrypt_module_close - Close the mcrypt module 
mcrypt_module_get_algo_block_size - Returns the blocksize of the specified algorithm
mcrypt_module_get_algo_key_size - Returns the maximum supported keysize of the opened mode
mcrypt_module_get_supported_key_sizes - Returns an array with the supported keysizes of the opened algorithm
mcrypt_module_is_block_algorithm - This function checks whether the specified algorithm is a block algorithm
mcrypt_module_is_block_algorithm_mode - This function returns if the the specified module is a block algorithm or not
mcrypt_module_is_block_mode - This function returns if the the specified mode outputs blocks or not
mcrypt_module_open - Opens the module of the algorithm and the mode to be used
mcrypt_module_self_test - This function runs a self test on the specified module
mcrypt_ofb - Encrypt/decrypt data in OFB mode
mcve_adduser - Add an MCVE user using usersetup structure 
mcve_adduserarg - Add a value to user configuration structure 
mcve_bt - Get unsettled batch totals 
mcve_checkstatus - Check to see if a transaction has completed 
mcve_chkpwd - Verify Password 
mcve_chngpwd - Change the system administrator's password 
mcve_completeauthorizations - Number of complete authorizations in queue, returning an array of their identifiers 
mcve_connect - Establish the connection to MCVE 
mcve_connectionerror - Get a textual representation of why a connection failed 
mcve_deleteresponse - Delete specified transaction from MCVE_CONN structure 
mcve_deletetrans - Delete specified transaction from MCVE_CONN structure 
mcve_deleteusersetup - Deallocate data associated with usersetup structure 
mcve_deluser - Delete an MCVE user account 
mcve_destroyconn - Destroy the connection and MCVE_CONN structure 
mcve_destroyengine - Free memory associated with IP/SSL connectivity 
mcve_disableuser - Disable an active MCVE user account 
mcve_edituser - Edit MCVE user using usersetup structure 
mcve_enableuser - Enable an inactive MCVE user account 
mcve_force - Send a FORCE to MCVE. (typically, a phone-authorization) 
mcve_getcell - Get a specific cell from a comma delimited response by column name 
mcve_getcellbynum - Get a specific cell from a comma delimited response by column number 
mcve_getcommadelimited - Get the RAW comma delimited data returned from MCVE 
mcve_getheader - Get the name of the column in a comma-delimited response 
mcve_getuserarg - Grab a value from usersetup structure 
mcve_getuserparam - Get a user response parameter 
mcve_gft - Audit MCVE for Failed transactions 
mcve_gl - Audit MCVE for settled transactions 
mcve_gut - Audit MCVE for Unsettled Transactions 
mcve_initconn - Create and initialize an MCVE_CONN structure 
mcve_initengine - Ready the client for IP/SSL Communication 
mcve_initusersetup - Initialize structure to store user data 
mcve_iscommadelimited - Checks to see if response is comma delimited 
mcve_liststats - List statistics for all users on MCVE system 
mcve_listusers - List all users on MCVE system 
mcve_maxconntimeout - The maximum amount of time the API will attempt a connection to MCVE 
mcve_monitor - Perform communication with MCVE (send/receive data) Non-blocking 
mcve_numcolumns - Number of columns returned in a comma delimited response 
mcve_numrows - Number of rows returned in a comma delimited response 
mcve_override - Send an OVERRIDE to MCVE 
mcve_parsecommadelimited - Parse the comma delimited response so mcve_getcell, etc will work 
mcve_ping - Send a ping request to MCVE 
mcve_preauth - Send a PREAUTHORIZATION to MCVE 
mcve_preauthcompletion - Complete a PREAUTHORIZATION... Ready it for settlement 
mcve_qc - Audit MCVE for a list of transactions in the outgoing queue 
mcve_responseparam - Get a custom response parameter 
mcve_return - Issue a RETURN or CREDIT to MCVE 
mcve_returncode - Grab the exact return code from the transaction 
mcve_returnstatus - Check to see if the transaction was successful 
mcve_sale - Send a SALE to MCVE 
mcve_setblocking - Set blocking/non-blocking mode for connection 
mcve_setdropfile - Set the connection method to Drop-File 
mcve_setip - Set the connection method to IP 
mcve_setssl - Set the connection method to SSL 
mcve_setssl_files - Set certificate key files and certificates if server requires client certificate verification 
mcve_settimeout - Set maximum transaction time (per trans) 
mcve_settle - Issue a settlement command to do a batch deposit 
mcve_text_avs - Get a textual representation of the return_avs 
mcve_text_code - Get a textual representation of the return_code 
mcve_text_cv - Get a textual representation of the return_cv 
mcve_transactionauth - Get the authorization number returned for the transaction (alpha-numeric) 
mcve_transactionavs - Get the Address Verification return status 
mcve_transactionbatch - Get the batch number associated with the transaction 
mcve_transactioncv - Get the CVC2/CVV2/CID return status 
mcve_transactionid - Get the unique system id for the transaction 
mcve_transactionitem - Get the ITEM number in the associated batch for this transaction 
mcve_transactionssent - Check to see if outgoing buffer is clear 
mcve_transactiontext - Get verbiage (text) return from MCVE or processing institution 
mcve_transinqueue - Number of transactions in client-queue 
mcve_transnew - Start a new transaction 
mcve_transparam - Add a parameter to a transaction 
mcve_transsend - Finalize and send the transaction 
mcve_ub - Get a list of all Unsettled batches 
mcve_uwait - Wait x microsecs 
mcve_verifyconnection - Set whether or not to PING upon connect to verify connection 
mcve_verifysslcert - Set whether or not to verify the server ssl certificate 
mcve_void - VOID a transaction in the settlement queue 
md5 - Calculate the md5 hash of a string
md5_file - Calculates the md5 hash of a given filename
mdecrypt_generic - Decrypt data
memory_get_usage - Returns the amount of memory allocated to PHP
metaphone - Calculate the metaphone key of a string
method_exists - Checks if the class method exists
mhash - Compute hash
mhash_count - Get the highest available hash id
mhash_get_block_size - Get the block size of the specified hash
mhash_get_hash_name - Get the name of the specified hash
mhash_keygen_s2k - Generates a key
microtime - Return current UNIX timestamp with microseconds
mime_content_type - Detect MIME Content-type for a file
min - Find lowest value
ming_setcubicthreshold - Set cubic threshold (?) 
ming_setscale - Set scale (?) 
ming_useswfversion - Use SWF version (?) 
mkdir - Makes directory
mktime - Get UNIX timestamp for a date
money_format - Formats a number as a currency string
move_uploaded_file - Moves an uploaded file to a new location
msession_connect - Connect to msession server 
msession_count - Get session count 
msession_create - Create a session 
msession_destroy - Destroy a session 
msession_disconnect - Close connection to msession server 
msession_find - Find value 
msession_get - Get value from session 
msession_getdata - Get data ... ? 
msession_get_array - Get array of ... ? 
msession_inc - Increment value in session 
msession_list - List ... ? 
msession_listvar - List sessions with variable
msession_lock - Lock a session 
msession_plugin - Call an escape function within the msession personality plugin
msession_randstr - Get random string 
msession_set - Set value in session 
msession_setdata - Set data ... ?
msession_set_array - Set array of ... 
msession_timeout - Set/get session timeout 
msession_uniq - Get uniq id 
msession_unlock - Unlock a session 
msg_get_queue - Create or attach to a message queue 
msg_receive - Receive a message from a message queue 
msg_remove_queue - Destroy a message queue 
msg_send - Send a message to a message queue 
msg_set_queue - Set information in the message queue data structure 
msg_stat_queue - Returns information from the message queue data structure 
msql - Send mSQL query
msql_affected_rows - Returns number of affected rows
msql_close - Close mSQL connection
msql_connect - Open mSQL connection
msql_createdb - Create mSQL database
msql_create_db - Create mSQL database
msql_data_seek - Move internal row pointer
msql_dbname - Get current mSQL database name
msql_dropdb - Drop (delete) mSQL database
msql_drop_db - Drop (delete) mSQL database
msql_error - Returns error message of last msql call
msql_fetch_array - Fetch row as array
msql_fetch_field - Get field information
msql_fetch_object - Fetch row as object
msql_fetch_row - Get row as enumerated array
msql_fieldflags - Get field flags
msql_fieldlen - Get field length
msql_fieldname - Get field name
msql_fieldtable - Get table name for field
msql_fieldtype - Get field type
msql_field_seek - Set field offset
msql_freeresult - Free result memory
msql_free_result - Free result memory
msql_listdbs - List mSQL databases on server
msql_listfields - List result fields
msql_listtables - List tables in an mSQL database
msql_list_dbs - List mSQL databases on server
msql_list_fields - List result fields
msql_list_tables - List tables in an mSQL database
msql_numfields - Get number of fields in result
msql_numrows - Get number of rows in result
msql_num_fields - Get number of fields in result
msql_num_rows - Get number of rows in result
msql_pconnect - Open persistent mSQL connection
msql_query - Send mSQL query
msql_regcase - Make regular expression for case insensitive match 
msql_result - Get result data
msql_selectdb - Select mSQL database
msql_select_db - Select mSQL database
msql_tablename - Get table name of field
mssql_bind - Adds a parameter to a stored procedure or a remote stored procedure 
mssql_close - Close MS SQL Server connection
mssql_connect - Open MS SQL server connection
mssql_data_seek - Moves internal row pointer
mssql_execute - Executes a stored procedure on a MS SQL server database 
mssql_fetch_array - Fetch a result row as an associative array, a numeric array, or both 
mssql_fetch_assoc - Returns an associative array of the current row in the result set specified by result_id 
mssql_fetch_batch - Returns the next batch of records 
mssql_fetch_field - Get field information
mssql_fetch_object - Fetch row as object
mssql_fetch_row - Get row as enumerated array
mssql_field_length - Get the length of a field
mssql_field_name - Get the name of a field
mssql_field_seek - Seeks to the specified field offset
mssql_field_type - Gets the type of a field
mssql_free_result - Free result memory
mssql_free_statement - Free statement memory
mssql_get_last_message - Returns the last message from the server 
mssql_guid_string - Converts a 16 byte binary GUID to a string 
mssql_init - Initializes a stored procedure or a remote stored procedure 
mssql_min_error_severity - Sets the lower error severity
mssql_min_message_severity - Sets the lower message severity
mssql_next_result - Move the internal result pointer to the next result
mssql_num_fields - Gets the number of fields in result
mssql_num_rows - Gets the number of rows in result
mssql_pconnect - Open persistent MS SQL connection
mssql_query - Send MS SQL query
mssql_result - Get result data
mssql_rows_affected - Returns the number of records affected by the query 
mssql_select_db - Select MS SQL database
mt_getrandmax - Show largest possible random value
mt_rand - Generate a better random value
mt_srand - Seed the better random number generator
muscat_close - Shuts down the muscat session and releases any memory back to PHP.
muscat_get - Gets a line back from the core muscat API. 
muscat_give - Sends string to the core muscat API
muscat_setup - Creates a new muscat session and returns the handle.
muscat_setup_net - Creates a new muscat session and returns the handle.
mysqli_affected_rows - Gets the number of affected rows in a previous MySQL operation
mysqli_autocommit - Turns on or off auto-commiting database modifications
mysqli_bind_param - Binds variables to a prepared statement as parameters
mysqli_bind_result - Binds variables to a prepared statement for result storage
mysqli_change_user - Changes the user of the specified database connection
mysqli_character_set_name - Returns the default character set for the database connection
mysqli_close - Closes a previously opened database connection
mysqli_commit - Commits the current transaction
mysqli_connect - Open a new connection to the MySQL server
mysqli_data_seek - Adjusts the result pointer to an arbitary row in the result
mysqli_debug - Performs debugging operations
mysqli_disable_reads_from_master - 
mysqli_disable_rpl_parse - 
mysqli_dump_debug_info - Dump debugging information into the log
mysqli_enable_reads_from_master - 
mysqli_enable_rpl_parse - 
mysqli_errno - Returns the error code for the most recent function call
mysqli_error - Returns a string description of the last error
mysqli_execute - Executes a prepared Query
mysqli_fetch - Fetch results from a prepared statement into the bound variables 
mysqli_fetch_array - Fetch a result row as an associative, a numeric array, or both.
mysqli_fetch_assoc - Fetch a result row as an associative array
mysqli_fetch_field - Returns the next field in the result set
mysqli_fetch_fields - Returns an array of objects representing the fields in a result set
mysqli_fetch_field_direct - Fetch meta-data for a single field 
mysqli_fetch_lengths - Returns the lengths of the columns of the current row in the result set
mysqli_fetch_object - Returns the current row of a result set as an object
mysqli_fetch_row - Get a result row as an enumerated array
mysqli_field_count - Returns the number of columns for the most recent query
mysqli_field_seek - Set result pointer to a specified field offset 
mysqli_field_tell - Get current field offset of a result pointer 
mysqli_free_result - Frees the memory associated with a result
mysqli_get_client_info - Returns the MySQL client version as a string
mysqli_get_host_info - Returns a string representing the type of connection used
mysqli_get_proto_info - Returns the version of the MySQL protocol used
mysqli_get_server_info - Returns the version of the MySQL server
mysqli_get_server_version - Returns the version of the MySQL server as an integer
mysqli_info - Retrieves information about the most recently executed query
mysqli_init - Initializes MySQLi and returns a resource for use with mysqli_real_connect 
mysqli_insert_id - Returns the auto generated id used in the last query
mysqli_kill - Asks the server to kill a MySQL thread
mysqli_master_query - Enforce execution of a query on the master in a master/slave setup 
mysqli_num_fields - Get the number of fields in a result 
mysqli_num_rows - Gets the number of rows in a result 
mysqli_options - set options
mysqli_param_count - Returns the number of parameter for the given statement
mysqli_ping - Ping a server connection, or reconnect if there is no connection 
mysqli_prepare - Prepare a SQL statement for execution 
mysqli_prepare_result - 
mysqli_profiler - 
mysqli_query - Performs a query on the database
mysqli_read_query_result - 
mysqli_real_connect - Opens a connection to a mysql server
mysqli_real_escape_string - Escapes special characters in a string for use in a SQL statement, taking into account the current charset of the connection 
mysqli_real_query - Execute an SQL query
mysqli_reload - 
mysqli_rollback - 
mysqli_rpl_parse_enabled - 
mysqli_rpl_probe - 
mysqli_rpl_query_type - 
mysqli_select_db - Selects the default database for database queries
mysqli_send_long_data - 
mysqli_send_query - 
mysqli_slave_query - Enforces execution of a query on a slave in a master/slave setup 
mysqli_ssl_set - 
mysqli_stat - Gets the current system status 
mysqli_stmt_affected_rows - 
mysqli_stmt_close - close statement
mysqli_stmt_errno - 
mysqli_stmt_error - 
mysqli_stmt_store_result - 
mysqli_store_result - Transfers a result set from the last query
mysqli_thread_id - Returns the thread ID for the current connection
mysqli_thread_safe - Returns whether thread safety is given or not 
mysqli_use_result - Initiate a result set retrieval
mysqli_warning_count - Returns the number of warnings from the last query for the given link 
mysql_affected_rows - Get number of affected rows in previous MySQL operation
mysql_change_user - Change logged in user of the active connection 
mysql_client_encoding - Returns the name of the character set
mysql_close - Close MySQL connection
mysql_connect - Open a connection to a MySQL Server
mysql_create_db - Create a MySQL database
mysql_data_seek - Move internal result pointer
mysql_db_name - Get result data
mysql_db_query - Send a MySQL query
mysql_drop_db - Drop (delete) a MySQL database
mysql_errno - Returns the numerical value of the error message from previous MySQL operation 
mysql_error - Returns the text of the error message from previous MySQL operation 
mysql_escape_string - Escapes a string for use in a mysql_query. 
mysql_fetch_array - Fetch a result row as an associative array, a numeric array, or both. 
mysql_fetch_assoc - Fetch a result row as an associative array 
mysql_fetch_field - Get column information from a result and return as an object 
mysql_fetch_lengths - Get the length of each output in a result 
mysql_fetch_object - Fetch a result row as an object
mysql_fetch_row - Get a result row as an enumerated array
mysql_field_flags - Get the flags associated with the specified field in a result 
mysql_field_len - Returns the length of the specified field 
mysql_field_name - Get the name of the specified field in a result 
mysql_field_seek - Set result pointer to a specified field offset 
mysql_field_table - Get name of the table the specified field is in 
mysql_field_type - Get the type of the specified field in a result 
mysql_free_result - Free result memory
mysql_get_client_info - Get MySQL client info
mysql_get_host_info - Get MySQL host info
mysql_get_proto_info - Get MySQL protocol info
mysql_get_server_info - Get MySQL server info
mysql_info - Get information about the most recent query 
mysql_insert_id - Get the ID generated from the previous INSERT operation 
mysql_list_dbs - List databases available on a MySQL server 
mysql_list_fields - List MySQL table fields
mysql_list_processes - List MySQL processes
mysql_list_tables - List tables in a MySQL database
mysql_num_fields - Get number of fields in result
mysql_num_rows - Get number of rows in result
mysql_pconnect - Open a persistent connection to a MySQL server 
mysql_ping - Ping a server connection or reconnect if there is no connection
mysql_query - Send a MySQL query
mysql_real_escape_string - Escapes special characters in a string for use in a SQL statement, taking into account the current charset of the connection. 
mysql_result - Get result data
mysql_select_db - Select a MySQL database
mysql_stat - Get current system status
mysql_tablename - Get table name of field
mysql_thread_id - Return the current thread ID
mysql_unbuffered_query - Send an SQL query to MySQL, without fetching and buffering the result rows 
natcasesort - Sort an array using a case insensitive "natural order" algorithm 
natsort - Sort an array using a "natural order" algorithm 
ncurses_addch - Add character at current position and advance cursor 
ncurses_addchnstr - Add attributed string with specified length at current position 
ncurses_addchstr - Add attributed string at current position 
ncurses_addnstr - Add string with specified length at current position 
ncurses_addstr - Output text at current position 
ncurses_assume_default_colors - Define default colors for color 0 
ncurses_attroff - Turn off the given attributes 
ncurses_attron - Turn on the given attributes 
ncurses_attrset - Set given attributes 
ncurses_baudrate - Returns baudrate of terminal 
ncurses_beep - Let the terminal beep 
ncurses_bkgd - Set background property for terminal screen 
ncurses_bkgdset - Control screen background 
ncurses_border - Draw a border around the screen using attributed characters 
ncurses_bottom_panel - Moves a visible panel to the bottom of the stack 
ncurses_can_change_color - Check if we can change terminals colors 
ncurses_cbreak - Switch of input buffering 
ncurses_clear - Clear screen 
ncurses_clrtobot - Clear screen from current position to bottom 
ncurses_clrtoeol - Clear screen from current position to end of line 
ncurses_color_content - Gets the RGB value for color 
ncurses_color_set - Set fore- and background color 
ncurses_curs_set - Set cursor state 
ncurses_define_key - Define a keycode 
ncurses_def_prog_mode - Saves terminals (program) mode
ncurses_def_shell_mode - Saves terminals (shell) mode
ncurses_delay_output - Delay output on terminal using padding characters 
ncurses_delch - Delete character at current position, move rest of line left 
ncurses_deleteln - Delete line at current position, move rest of screen up 
ncurses_delwin - Delete a ncurses window 
ncurses_del_panel - Remove panel from the stack and delete it (but not the associated window) 
ncurses_doupdate - Write all prepared refreshes to terminal 
ncurses_echo - Activate keyboard input echo 
ncurses_echochar - Single character output including refresh 
ncurses_end - Stop using ncurses, clean up the screen 
ncurses_erase - Erase terminal screen 
ncurses_erasechar - Returns current erase character 
ncurses_filter - 
ncurses_flash - Flash terminal screen (visual bell) 
ncurses_flushinp - Flush keyboard input buffer 
ncurses_getch - Read a character from keyboard 
ncurses_getmaxyx - Returns the size of a window 
ncurses_getmouse - Reads mouse event
ncurses_getyx - Returns the current cursor position for a window 
ncurses_halfdelay - Put terminal into halfdelay mode 
ncurses_has_colors - Check if terminal has colors 
ncurses_has_ic - Check for insert- and delete-capabilities 
ncurses_has_il - Check for line insert- and delete-capabilities 
ncurses_has_key - Check for presence of a function key on terminal keyboard 
ncurses_hide_panel - Remove panel from the stack, making it invisible 
ncurses_hline - Draw a horizontal line at current position using an attributed character and max. n characters long 
ncurses_inch - Get character and attribute at current position 
ncurses_init - Initialize ncurses 
ncurses_init_color - Set new RGB value for color 
ncurses_init_pair - Allocate a color pair 
ncurses_insch - Insert character moving rest of line including character at current position 
ncurses_insdelln - Insert lines before current line scrolling down (negative numbers delete and scroll up) 
ncurses_insertln - Insert a line, move rest of screen down 
ncurses_insstr - Insert string at current position, moving rest of line right 
ncurses_instr - Reads string from terminal screen 
ncurses_isendwin - Ncurses is in endwin mode, normal screen output may be performed 
ncurses_keyok - Enable or disable a keycode 
ncurses_keypad - Turns keypad on or off 
ncurses_killchar - Returns current line kill character 
ncurses_longname - Returns terminals description
ncurses_meta - Enables/Disable 8-bit meta key information 
ncurses_mouseinterval - Set timeout for mouse button clicks 
ncurses_mousemask - Sets mouse options
ncurses_mouse_trafo - Transforms coordinates 
ncurses_move - Move output position 
ncurses_move_panel - Moves a panel so that it's upper-left corner is at [startx, starty] 
ncurses_mvaddch - Move current position and add character 
ncurses_mvaddchnstr - Move position and add attrributed string with specified length 
ncurses_mvaddchstr - Move position and add attributed string 
ncurses_mvaddnstr - Move position and add string with specified length 
ncurses_mvaddstr - Move position and add string 
ncurses_mvcur - Move cursor immediately 
ncurses_mvdelch - Move position and delete character, shift rest of line left 
ncurses_mvgetch - Move position and get character at new position 
ncurses_mvhline - Set new position and draw a horizontal line using an attributed character and max. n characters long 
ncurses_mvinch - Move position and get attributed character at new position 
ncurses_mvvline - Set new position and draw a vertical line using an attributed character and max. n characters long 
ncurses_mvwaddstr - Add string at new position in window 
ncurses_napms - Sleep 
ncurses_newpad - Creates a new pad (window) 
ncurses_newwin - Create a new window 
ncurses_new_panel - Create a new panel and associate it with window 
ncurses_nl - Translate newline and carriage return / line feed 
ncurses_nocbreak - Switch terminal to cooked mode 
ncurses_noecho - Switch off keyboard input echo 
ncurses_nonl - Do not translate newline and carriage return / line feed 
ncurses_noqiflush - Do not flush on signal characters
ncurses_noraw - Switch terminal out of raw mode 
ncurses_pair_content - Gets the RGB value for color 
ncurses_panel_above - Returns the panel above panel. If panel is null, returns the bottom panel in the stack 
ncurses_panel_below - Returns the panel below panel. If panel is null, returns the top panel in the stack 
ncurses_panel_window - Returns the window associated with panel 
ncurses_pnoutrefresh - Copys a region from a pad into the virtual screen 
ncurses_prefresh - Copys a region from a pad into the virtual screen 
ncurses_putp - 
ncurses_qiflush - Flush on signal characters 
ncurses_raw - Switch terminal into raw mode 
ncurses_refresh - Refresh screen 
ncurses_replace_panel - Replaces the window associated with panel 
ncurses_resetty - Restores saved terminal state 
ncurses_reset_prog_mode - Resets the prog mode saved by def_prog_mode 
ncurses_reset_shell_mode - Resets the shell mode saved by def_shell_mode 
ncurses_savetty - Saves terminal state 
ncurses_scrl - Scroll window content up or down without changing current position 
ncurses_scr_dump - Dump screen content to file 
ncurses_scr_init - Initialize screen from file dump 
ncurses_scr_restore - Restore screen from file dump 
ncurses_scr_set - Inherit screen from file dump 
ncurses_show_panel - Places an invisible panel on top of the stack, making it visible 
ncurses_slk_attr - Returns current soft label key attribute
ncurses_slk_attroff - 
ncurses_slk_attron - 
ncurses_slk_attrset - 
ncurses_slk_clear - Clears soft labels from screen
ncurses_slk_color - Sets color for soft label keys
ncurses_slk_init - Initializes soft label key functions
ncurses_slk_noutrefresh - Copies soft label keys to virtual screen
ncurses_slk_refresh - Copies soft label keys to screen
ncurses_slk_restore - Restores soft label keys
ncurses_slk_set - Sets function key labels 
ncurses_slk_touch - Fources output when ncurses_slk_noutrefresh is performed
ncurses_standend - Stop using 'standout' attribute 
ncurses_standout - Start using 'standout' attribute 
ncurses_start_color - Start using colors 
ncurses_termattrs - Returns a logical OR of all attribute flags supported by terminal 
ncurses_termname - Returns terminals (short)-name
ncurses_timeout - Set timeout for special key sequences 
ncurses_top_panel - Moves a visible panel to the top of the stack 
ncurses_typeahead - Specify different filedescriptor for typeahead checking 
ncurses_ungetch - Put a character back into the input stream 
ncurses_ungetmouse - Pushes mouse event to queue
ncurses_update_panels - Refreshes the virtual screen to reflect the relations between panels in the stack. 
ncurses_use_default_colors - Assign terminal default colors to color id -1 
ncurses_use_env - Control use of environment information about terminal size 
ncurses_use_extended_names - Control use of extended names in terminfo descriptions 
ncurses_vidattr - 
ncurses_vline - Draw a vertical line at current position using an attributed character and max. n characters long 
ncurses_waddch - Adds character at current position in a window and advance cursor 
ncurses_waddstr - Outputs text at current postion in window 
ncurses_wattroff - Turns off attributes for a window 
ncurses_wattron - Turns on attributes for a window 
ncurses_wattrset - Set the attributes for a window 
ncurses_wborder - Draws a border around the window using attributed characters 
ncurses_wclear - Clears window 
ncurses_wcolor_set - Sets windows color pairings 
ncurses_werase - Erase window contents 
ncurses_wgetch - Reads a character from keyboard (window) 
ncurses_whline - Draws a horizontal line in a window at current position using an attributed character and max. n characters long 
ncurses_wmouse_trafo - Transforms window/stdscr coordinates 
ncurses_wmove - Moves windows output position 
ncurses_wnoutrefresh - Copies window to virtual screen 
ncurses_wrefresh - Refresh window on terminal screen 
ncurses_wstandend - End standout mode for a window 
ncurses_wstandout - Enter standout mode for a window 
ncurses_wvline - Draws a vertical line in a window at current position using an attributed character and max. n characters long 
next - Advance the internal array pointer of an array 
ngettext - Plural version of gettext
nl2br - Inserts HTML line breaks before all newlines in a string 
nl_langinfo - Query language and locale information 
notes_body - Open the message msg_number in the specified mailbox on the specified server (leave serv
notes_copy_db - Create a note using form form_name 
notes_create_db - Create a Lotus Notes database 
notes_create_note - Create a note using form form_name 
notes_drop_db - Drop a Lotus Notes database 
notes_find_note - Returns a note id found in database_name. Specify the name of the note. Leaving type bla
notes_header_info - Open the message msg_number in the specified mailbox on the specified server (leave serv
notes_list_msgs - Returns the notes from a selected database_name
notes_mark_read - Mark a note_id as read for the User user_name
notes_mark_unread - Mark a note_id as unread for the User user_name
notes_nav_create - Create a navigator name, in database_name 
notes_search - Find notes that match keywords in database_name
notes_unread - Returns the unread note id's for the current User user_name
notes_version - Get the version Lotus Notes 
nsapi_request_headers - Fetch all HTTP request headers
nsapi_response_headers - Fetch all HTTP response headers 
nsapi_virtual - Perform an NSAPI sub-request
number_format - Format a number with grouped thousands
ob_clean - Clean (erase) the output buffer 
ob_end_clean - Clean (erase) the output buffer and turn off output buffering 
ob_end_flush - Flush (send) the output buffer and turn off output buffering 
ob_flush - Flush (send) the output buffer 
ob_get_clean - Get current buffer contents and delete current output buffer 
ob_get_contents - Return the contents of the output buffer 
ob_get_length - Return the length of the output buffer 
ob_get_level - Return the nesting level of the output buffering mechanism 
ob_get_status - Get status of output buffers 
ob_gzhandler - ob_start callback function to gzip output buffer 
ob_iconv_handler - Convert character encoding as output buffer handler
ob_implicit_flush - Turn implicit flush on/off 
ob_start - Turn on output buffering
ocibindbyname - Bind a PHP variable to an Oracle Placeholder 
ocicancel - Cancel reading from cursor
ocicollappend - Append an object to the collection
ocicollassign - Assign a collection from another existing collection
ocicollassignelem - Assign element val to collection at index ndx
ocicollgetelem - Retrieve the value at collection index ndx
ocicollmax - Return the max value of a collection. For a varray this is the maximum length of the array 
ocicollsize - Return the size of a collection
ocicolltrim - Trim num elements from the end of a collection
ocicolumnisnull - Test whether a result column is NULL
ocicolumnname - Returns the name of a column
ocicolumnprecision - Tell the precision of a column
ocicolumnscale - Tell the scale of a column
ocicolumnsize - Return result column size
ocicolumntype - Returns the data type of a column
ocicolumntyperaw - Tell the raw oracle data type of a column
ocicommit - Commits outstanding transactions
ocidefinebyname - Use a PHP variable for the define-step during a SELECT 
ocierror - Return the last error of stmt|conn|global
ociexecute - Execute a statement
ocifetch - Fetches the next row into result-buffer
ocifetchinto - Fetches the next row into result-array
ocifetchstatement - Fetch all rows of result data into an array
ocifreecollection - Deletes collection object
ocifreecursor - Free all resources associated with a cursor 
ocifreedesc - Deletes a large object descriptor
ocifreestatement - Free all resources associated with a statement 
ociinternaldebug - Enables or disables internal debug output 
ociloadlob - Loads a large object
ocilogoff - Disconnects from Oracle server
ocilogon - Establishes a connection to Oracle
ocinewcollection - Initialize a new collection
ocinewcursor - Return a new cursor (Statement-Handle) 
ocinewdescriptor - Initialize a new empty LOB or FILE descriptor 
ocinlogon - Establishes a new connection to Oracle
ocinumcols - Return the number of result columns in a statement 
ociparse - Parse a query and return an Oracle statement
ociplogon - Connect to an Oracle database using a persistent connection 
ociresult - Returns column value for fetched row
ocirollback - Rolls back outstanding transactions
ocirowcount - Gets the number of affected rows
ocisavelob - Saves a large object 
ocisavelobfile - Saves a large object file
ociserverversion - Return a string containing server version information
ocisetprefetch - Sets number of rows to be prefetched
ocistatementtype - Return the type of an OCI statement
ociwritelobtofile - Saves a large object file
octdec - Octal to decimal
odbc_autocommit - Toggle autocommit behaviour
odbc_binmode - Handling of binary column data
odbc_close - Close an ODBC connection
odbc_close_all - Close all ODBC connections
odbc_columnprivileges - Returns a result identifier that can be used to fetch a list of columns and associated privileges 
odbc_columns - Lists the column names in specified tables. Returns a result identifier containing the information. 
odbc_commit - Commit an ODBC transaction
odbc_connect - Connect to a datasource
odbc_cursor - Get cursorname
odbc_data_source - Returns information about a current connection
odbc_do - Synonym for odbc_exec
odbc_error - Get the last error code
odbc_errormsg - Get the last error message
odbc_exec - Prepare and execute a SQL statement
odbc_execute - Execute a prepared statement
odbc_fetch_array - Fetch a result row as an associative array 
odbc_fetch_into - Fetch one result row into array
odbc_fetch_object - Fetch a result row as an object 
odbc_fetch_row - Fetch a row
odbc_field_len - Get the length (precision) of a field
odbc_field_name - Get the columnname
odbc_field_num - Return column number
odbc_field_precision - Synonym for odbc_field_len
odbc_field_scale - Get the scale of a field
odbc_field_type - Datatype of a field
odbc_foreignkeys - Returns a list of foreign keys in the specified table or a list of foreign keys in other tables that refer to the primary key in the specified table 
odbc_free_result - Free resources associated with a result
odbc_gettypeinfo - Returns a result identifier containing information about data types supported by the data source. 
odbc_longreadlen - Handling of LONG columns
odbc_next_result - Checks if multiple results are available 
odbc_num_fields - Number of columns in a result
odbc_num_rows - Number of rows in a result
odbc_pconnect - Open a persistent database connection
odbc_prepare - Prepares a statement for execution
odbc_primarykeys - Returns a result identifier that can be used to fetch the column names that comprise the primary key for a table 
odbc_procedurecolumns - Retrieve information about parameters to procedures 
odbc_procedures - Get the list of procedures stored in a specific data source. Returns a result identifier containing the information. 
odbc_result - Get result data
odbc_result_all - Print result as HTML table
odbc_rollback - Rollback a transaction
odbc_setoption - Adjust ODBC settings. Returns FALSE if an error occurs, otherwise TRUE. 
odbc_specialcolumns - Returns either the optimal set of columns that uniquely identifies a row in the table or columns that are automatically updated when any value in the row is updated by a transaction 
odbc_statistics - Retrieve statistics about a table
odbc_tableprivileges - Lists tables and the privileges associated with each table 
odbc_tables - Get the list of table names stored in a specific data source. Returns a result identifier containing the information. 
opendir - open directory handle
openlog - Open connection to system logger
openssl_csr_export - Exports a CSR as a string
openssl_csr_export_to_file - Exports a CSR to a file
openssl_csr_new - Generates a CSR
openssl_csr_sign - Sign a CSR with another certificate (or itself) and generate a certificate
openssl_error_string - Return openSSL error message
openssl_free_key - Free key resource
openssl_get_privatekey - Get a private key
openssl_get_publickey - Extract public key from certificate and prepare it for use
openssl_open - Open sealed data
openssl_pkcs7_decrypt - Decrypts an S/MIME encrypted message
openssl_pkcs7_encrypt - Encrypt an S/MIME message
openssl_pkcs7_sign - sign an S/MIME message
openssl_pkcs7_verify - Verifies the signature of an S/MIME signed message
openssl_pkey_export - Gets an exportable representation of a key into a string
openssl_pkey_export_to_file - Gets an exportable representation of a key into a file 
openssl_pkey_get_private - Get a private key
openssl_pkey_get_public - Extract public key from certificate and prepare it for use
openssl_pkey_new - Generates a new private key 
openssl_private_decrypt - Decrypts data with private key 
openssl_private_encrypt - Encrypts data with private key 
openssl_public_decrypt - Decrypts data with public key 
openssl_public_encrypt - Encrypts data with public key 
openssl_seal - Seal (encrypt) data
openssl_sign - Generate signature
openssl_verify - Verify signature
openssl_x509_checkpurpose - Verifies if a certificate can be used for a particular purpose
openssl_x509_check_private_key - Checks if a private key corresponds to a certificate
openssl_x509_export - Exports a certificate as a string
openssl_x509_export_to_file - Exports a certificate to file
openssl_x509_free - Free certificate resource
openssl_x509_parse - Parse an X509 certificate and return the information as an array
openssl_x509_read - Parse an X.509 certificate and return a resource identifier for it
Ora_Bind - Binds a PHP variable to an Oracle parameter
Ora_Close - close an Oracle cursor
ora_columnname - Get name of Oracle result column
ora_columnsize - get size of Oracle result column
ora_columntype - Get type of Oracle result column
ora_commit - commit an Oracle transaction
ora_commitoff - disable automatic commit
Ora_CommitOn - enable automatic commit
Ora_Do - Parse, Exec, Fetch
ora_error - get Oracle error message
ora_errorcode - get Oracle error code
ora_exec - Execute parsed statement on an Oracle cursor
Ora_Fetch - fetch a row of data from a cursor
Ora_Fetch_Into - Fetch a row into the specified result array
ora_getcolumn - Get data from a fetched column
ora_logoff - Close an Oracle connection
ora_logon - Open an Oracle connection
ora_numcols - Returns the number of columns
ora_numrows - Returns the number of rows
ora_open - open an Oracle cursor
ora_parse - Parse an SQL statement with Oracle
ora_plogon - Open a persistent Oracle connection 
Ora_Rollback - roll back transaction
ord - Return ASCII value of character
overload - Enable property and method call overloading for a class
ovrimos_close - Closes the connection to ovrimos
ovrimos_commit - Commits the transaction
ovrimos_connect - Connect to the specified database
ovrimos_cursor - Returns the name of the cursor
ovrimos_exec - Executes an SQL statement
ovrimos_execute - Executes a prepared SQL statement
ovrimos_fetch_into - Fetches a row from the result set
ovrimos_fetch_row - Fetches a row from the result set
ovrimos_field_len - Returns the length of the output column
ovrimos_field_name - Returns the output column name
ovrimos_field_num - Returns the (1-based) index of the output column 
ovrimos_field_type - Returns the (numeric) type of the output column 
ovrimos_free_result - Frees the specified result_id
ovrimos_longreadlen - Specifies how many bytes are to be retrieved from long datatypes 
ovrimos_num_fields - Returns the number of columns
ovrimos_num_rows - Returns the number of rows affected by update operations 
ovrimos_prepare - Prepares an SQL statement
ovrimos_result - Retrieves the output column
ovrimos_result_all - Prints the whole result set as an HTML table 
ovrimos_rollback - Rolls back the transaction
pack - Pack data into binary string.
parse_ini_file - Parse a configuration file
parse_str - Parses the string into variables
parse_url - Parse a URL and return its components
passthru - Execute an external program and display raw output 
pathinfo - Returns information about a file path
Pattern Modifiers - Describes possible modifiers in regex patterns
Pattern Syntax - Describes PCRE regex syntax
pclose - Closes process file pointer
pcntl_exec - Executes specified program in current process space 
pcntl_fork - Forks the currently running process
pcntl_signal - Installs a signal handler
pcntl_waitpid - Waits on or returns the status of a forked child
pcntl_wexitstatus - Returns the return code of a terminated child 
pcntl_wifexited - Returns TRUE if status code represents a successful exit 
pcntl_wifsignaled - Returns TRUE if status code represents a termination due to a signal 
pcntl_wifstopped - Returns TRUE if child process is currently stopped 
pcntl_wstopsig - Returns the signal which caused the child to stop 
pcntl_wtermsig - Returns the signal which caused the child to terminate 
pdf_add_annotation - Deprecated: Adds annotation
pdf_add_bookmark - Adds bookmark for current page
pdf_add_launchlink - Add a launch annotation for current page
pdf_add_locallink - Add a link annotation for current page
pdf_add_note - Add a note annotation for current page
pdf_add_outline - Deprecated: Adds bookmark for current page
pdf_add_pdflink - Adds file link annotation for current page
pdf_add_thumbnail - Adds thumbnail for current page
pdf_add_weblink - Adds weblink for current page
pdf_arc - Draws an arc (counterclockwise)
pdf_arcn - Draws an arc (clockwise)
pdf_attach_file - Adds a file attachement for current page
pdf_begin_page - Starts new page
pdf_begin_pattern - Starts new pattern
pdf_begin_template - Starts new template
pdf_circle - Draws a circle
pdf_clip - Clips to current path
pdf_close - Closes a pdf object
pdf_closepath - Closes path
pdf_closepath_fill_stroke - Closes, fills and strokes current path
pdf_closepath_stroke - Closes path and draws line along path
pdf_close_image - Closes an image
pdf_close_pdi - Close the input PDF document 
pdf_close_pdi_page - Close the page handle 
pdf_concat - Concatenate a matrix to the CTM
pdf_continue_text - Outputs text in next line
pdf_curveto - Draws a curve
pdf_delete - Deletes a PDF object
pdf_endpath - Deprecated: Ends current path
pdf_end_page - Ends a page
pdf_end_pattern - Finish pattern
pdf_end_template - Finish template
pdf_fill - Fills current path
pdf_fill_stroke - Fills and strokes current path
pdf_findfont - Prepare font for later use with pdf_setfont.
pdf_get_buffer - Fetch the buffer containig the generated PDF data.
pdf_get_font - Deprecated: font handling
pdf_get_fontname - Deprecated: font handling
pdf_get_fontsize - Deprecated: font handling
pdf_get_image_height - Returns height of an image
pdf_get_image_width - Returns width of an image
pdf_get_majorversion - Returns the major version number of the PDFlib 
pdf_get_minorversion - Returns the minor version number of the PDFlib 
pdf_get_parameter - Gets certain parameters
pdf_get_pdi_parameter - Get some PDI string parameters
pdf_get_pdi_value - Gets some PDI numerical parameters
pdf_get_value - Gets certain numerical value
pdf_initgraphics - Resets graphic state
pdf_lineto - Draws a line
pdf_makespotcolor - Makes a spotcolor
pdf_moveto - Sets current point
pdf_new - Creates a new pdf object
pdf_open - Deprecated: Open a new pdf object
pdf_open_CCITT - Opens a new image file with raw CCITT data
pdf_open_file - Opens a new pdf object
pdf_open_gif - Deprecated: Opens a GIF image
pdf_open_image - Versatile function for images
pdf_open_image_file - Reads an image from a file
pdf_open_jpeg - Deprecated: Opens a JPEG image
pdf_open_memory_image - Opens an image created with PHP's image functions
pdf_open_pdi - Opens a PDF file 
pdf_open_pdi_page - Prepare a page 
pdf_open_png - Deprecated: Opens a PNG image 
pdf_open_tiff - Deprecated: Opens a TIFF image
pdf_place_image - Places an image on the page
pdf_place_pdi_page - Places an image on the page
pdf_rect - Draws a rectangle
pdf_restore - Restores formerly saved environment
pdf_rotate - Sets rotation
pdf_save - Saves the current environment
pdf_scale - Sets scaling
pdf_setcolor - Sets fill and stroke color
pdf_setdash - Sets dash pattern
pdf_setflat - Sets flatness
pdf_setfont - Set the current font
pdf_setgray - Sets drawing and filling color to gray value
pdf_setgray_fill - Sets filling color to gray value
pdf_setgray_stroke - Sets drawing color to gray value
pdf_setlinecap - Sets linecap parameter
pdf_setlinejoin - Sets linejoin parameter
pdf_setlinewidth - Sets line width
pdf_setmatrix - Sets current transformation matrix
pdf_setmiterlimit - Sets miter limit
pdf_setpolydash - Sets complicated dash pattern
pdf_setrgbcolor - Sets drawing and filling color to rgb color value
pdf_setrgbcolor_fill - Sets filling color to rgb color value
pdf_setrgbcolor_stroke - Sets drawing color to rgb color value
pdf_set_border_color - Sets color of border around links and annotations
pdf_set_border_dash - Sets dash style of border around links and annotations
pdf_set_border_style - Sets style of border around links and annotations
pdf_set_char_spacing - Deprecated: Sets character spacing
pdf_set_duration - Deprecated: Sets duration between pages
pdf_set_font - Deprecated: Selects a font face and size
pdf_set_horiz_scaling - Sets horizontal scaling of text
pdf_set_info - Fills a field of the document information
pdf_set_info_author - Fills the author field of the document 
pdf_set_info_creator - Fills the creator field of the document 
pdf_set_info_keywords - Fills the keywords field of the document 
pdf_set_info_subject - Fills the subject field of the document 
pdf_set_info_title - Fills the title field of the document 
pdf_set_leading - Deprecated: Sets distance between text lines
pdf_set_parameter - Sets certain parameters
pdf_set_text_matrix - Deprecated: Sets the text matrix
pdf_set_text_pos - Sets text position
pdf_set_text_rendering - Deprecated: Determines how text is rendered
pdf_set_text_rise - Deprecated: Sets the text rise
pdf_set_value - Sets certain numerical value
pdf_set_word_spacing - Depriciated: Sets spacing between words
pdf_show - Output text at current position
pdf_show_boxed - Output text in a box
pdf_show_xy - Output text at given position
pdf_skew - Skews the coordinate system
pdf_stringwidth - Returns width of text using current font
pdf_stroke - Draws line along path
pdf_translate - Sets origin of coordinate system
pfpro_cleanup - Shuts down the Payflow Pro library
pfpro_init - Initialises the Payflow Pro library
pfpro_process - Process a transaction with Payflow Pro
pfpro_process_raw - Process a raw transaction with Payflow Pro
pfpro_version - Returns the version of the Payflow Pro software
pfsockopen - Open persistent Internet or Unix domain socket connection 
pg_affected_rows - Returns number of affected records (tuples)
pg_cancel_query - Cancel async query 
pg_client_encoding - Get the client encoding 
pg_close - Close a PostgreSQL connection
pg_connect - Open a PostgreSQL connection
pg_connection_busy - Get connection is busy or not 
pg_connection_reset - Reset connection (reconnect) 
pg_connection_status - Get connection status 
pg_convert - Convert associative array value into suitable for SQL statement. 
pg_copy_from - Insert records into a table from an array 
pg_copy_to - Copy a table to an array 
pg_dbname - Get the database name
pg_delete - Delete records. 
pg_end_copy - Sync with PostgreSQL backend
pg_escape_bytea - Escape binary for bytea type 
pg_escape_string - Escape string for text/char type 
pg_fetch_all - Fetch all rows from a result as an array
pg_fetch_array - Fetch a row as an array
pg_fetch_assoc - Fetch a row as an array
pg_fetch_object - Fetch a row as an object
pg_fetch_result - Returns values from a result resource
pg_fetch_row - Get a row as an enumerated array
pg_field_is_null - Test if a field is NULL
pg_field_name - Returns the name of a field
pg_field_num - Returns the field number of the named field
pg_field_prtlen - Returns the printed length
pg_field_size - Returns the internal storage size of the named field 
pg_field_type - Returns the type name for the corresponding field number 
pg_free_result - Free result memory
pg_get_notify - Ping database connection
pg_get_pid - Ping database connection
pg_get_result - Get asynchronous query result 
pg_host - Returns the host name associated with the connection 
pg_insert - Insert array into table. 
pg_last_error - Get the last error message string of a connection
pg_last_notice - Returns the last notice message from PostgreSQL server 
pg_last_oid - Returns the last object's oid
pg_lo_close - Close a large object
pg_lo_create - Create a large object
pg_lo_export - Export a large object to file
pg_lo_import - Import a large object from file
pg_lo_open - Open a large object
pg_lo_read - Read a large object
pg_lo_read_all - Reads an entire large object and send straight to browser 
pg_lo_seek - Seeks position of large object 
pg_lo_tell - Returns current position of large object 
pg_lo_unlink - Delete a large object
pg_lo_write - Write a large object
pg_meta_data - Get meta data for table. 
pg_num_fields - Returns the number of fields
pg_num_rows - Returns the number of rows
pg_options - Get the options associated with the connection
pg_pconnect - Open a persistent PostgreSQL connection
pg_ping - Ping database connection
pg_port - Return the port number associated with the connection 
pg_put_line - Send a NULL-terminated string to PostgreSQL backend
pg_query - Execute a query
pg_result_error - Get error message associated with result 
pg_result_seek - Set internal row offset in result resource
pg_result_status - Get status of query result 
pg_select - Select records. 
pg_send_query - Send asynchronous query 
pg_set_client_encoding - Set the client encoding 
pg_trace - Enable tracing a PostgreSQL connection
pg_tty - Return the tty name associated with the connection 
pg_unescape_bytea - Escape binary for bytea type 
pg_untrace - Disable tracing of a PostgreSQL connection
pg_update - Update table. 
phpcredits - Prints out the credits for PHP
phpinfo - Outputs lots of PHP information
phpversion - Gets the current PHP version
php_ini_scanned_files - Return a list of .ini files parsed from the additional ini dir
php_logo_guid - Gets the logo guid
php_sapi_name - Returns the type of interface between web server and PHP 
php_uname - Returns information about the operating system PHP was built on 
pi - Get value of pi
png2wbmp - Convert PNG image file to WBMP image file
popen - Opens process file pointer
pos - Get the current element from an array
posix_ctermid - Get path name of controlling terminal
posix_getcwd - Pathname of current directory
posix_getegid - Return the effective group ID of the current process 
posix_geteuid - Return the effective user ID of the current process 
posix_getgid - Return the real group ID of the current process 
posix_getgrgid - Return info about a group by group id
posix_getgrnam - Return info about a group by name
posix_getgroups - Return the group set of the current process 
posix_getlogin - Return login name
posix_getpgid - Get process group id for job control
posix_getpgrp - Return the current process group identifier 
posix_getpid - Return the current process identifier
posix_getppid - Return the parent process identifier
posix_getpwnam - Return info about a user by username
posix_getpwuid - Return info about a user by user id
posix_getrlimit - Return info about system ressource limits
posix_getsid - Get the current sid of the process
posix_getuid - Return the real user ID of the current process 
posix_get_last_error - Retrieve the error number set by the last posix function that failed. 
posix_isatty - Determine if a file descriptor is an interactive terminal 
posix_kill - Send a signal to a process
posix_mkfifo - Create a fifo special file (a named pipe) 
posix_setegid - Set the effective GID of the current process 
posix_seteuid - Set the effective UID of the current process 
posix_setgid - Set the GID of the current process 
posix_setpgid - set process group id for job control
posix_setsid - Make the current process a session leader
posix_setuid - Set the UID of the current process 
posix_strerror - Retrieve the system error message associated with the given errno. 
posix_times - Get process times
posix_ttyname - Determine terminal device name
posix_uname - Get system name
pow - Exponential expression
preg_grep - Return array entries that match the pattern 
preg_match - Perform a regular expression match
preg_match_all - Perform a global regular expression match
preg_quote - Quote regular expression characters
preg_replace - Perform a regular expression search and replace
preg_replace_callback - Perform a regular expression search and replace using a callback
preg_split - Split string by a regular expression
prev - Rewind the internal array pointer
print - Output a string
printer_abort - Deletes the printer's spool file
printer_close - Close an open printer connection
printer_create_brush - Create a new brush
printer_create_dc - Create a new device context
printer_create_font - Create a new font
printer_create_pen - Create a new pen
printer_delete_brush - Delete a brush
printer_delete_dc - Delete a device context
printer_delete_font - Delete a font
printer_delete_pen - Delete a pen
printer_draw_bmp - Draw a bmp
printer_draw_chord - Draw a chord
printer_draw_elipse - Draw an ellipse
printer_draw_line - Draw a line
printer_draw_pie - Draw a pie
printer_draw_rectangle - Draw a rectangle
printer_draw_roundrect - Draw a rectangle with rounded corners
printer_draw_text - Draw text
printer_end_doc - Close document
printer_end_page - Close active page
printer_get_option - Retrieve printer configuration data
printer_list - Return an array of printers attached to the server 
printer_logical_fontheight - Get logical font height
printer_open - Open connection to a printer
printer_select_brush - Select a brush
printer_select_font - Select a font
printer_select_pen - Select a pen
printer_set_option - Configure the printer connection
printer_start_doc - Start a new document
printer_start_page - Start a new page
printer_write - Write data to the printer
printf - Output a formatted string
print_r - Prints human-readable information about a variable 
proc_close - Close a process opened by proc_open and return the exit code of that process. 
proc_get_status - Get information about a process opened by proc_open 
proc_nice - Change the priority of the current process 
proc_open - Execute a command and open file pointers for input/output 
proc_terminate - kills a process opened by proc_open 
pspell_add_to_personal - Add the word to a personal wordlist
pspell_add_to_session - Add the word to the wordlist in the current session 
pspell_check - Check a word
pspell_clear_session - Clear the current session
pspell_config_create - Create a config used to open a dictionary
pspell_config_ignore - Ignore words less than N characters long
pspell_config_mode - Change the mode number of suggestions returned
pspell_config_personal - Set a file that contains personal wordlist
pspell_config_repl - Set a file that contains replacement pairs
pspell_config_runtogether - Consider run-together words as valid compounds
pspell_config_save_repl - Determine whether to save a replacement pairs list along with the wordlist
pspell_new - Load a new dictionary
pspell_new_config - Load a new dictionary with settings based on a given config 
pspell_new_personal - Load a new dictionary with personal wordlist
pspell_save_wordlist - Save the personal wordlist to a file
pspell_store_replacement - Store a replacement pair for a word
pspell_suggest - Suggest spellings of a word
putenv - Sets the value of an environment variable
qdom_error - Returns the error string from the last QDOM operation or FALSE if no errors occured
qdom_tree - creates a tree of an xml string
quoted_printable_decode - Convert a quoted-printable string to an 8 bit string 
quotemeta - Quote meta characters
rad2deg - Converts the radian number to the equivalent number in degrees 
rand - Generate a random value
range - Create an array containing a range of elements 
rawurldecode - Decode URL-encoded strings
rawurlencode - URL-encode according to RFC 1738
readdir - read entry from directory handle
readfile - Outputs a file
readgzfile - Output a gz-file
readline - Reads a line
readline_add_history - Adds a line to the history
readline_clear_history - Clears the history
readline_completion_function - Registers a completion function
readline_info - Gets/sets various internal readline variables
readline_list_history - Lists the history
readline_read_history - Reads the history
readline_write_history - Writes the history
readlink - Returns the target of a symbolic link
read_exif_data - Alias of exif_read_data
realpath - Returns canonicalized absolute pathname
recode - Alias for recode_string
recode_file - Recode from file to file according to recode request 
recode_string - Recode a string according to a recode request
register_shutdown_function - Register a function for execution on shutdown 
register_tick_function - Register a function for execution on each tick 
rename - Renames a file
reset - Set the internal pointer of an array to its first element 
restore_error_handler - Restores the previous error handler function 
restore_include_path - Restores the value of the include_path configuration option 
rewind - Rewind the position of a file pointer
rewinddir - rewind directory handle
rmdir - Removes directory
round - Rounds a float
rsort - Sort an array in reverse order
rtrim - Strip whitespace from the end of a string 
scandir - List files and directories inside the specified path 
sem_acquire - Acquire a semaphore
sem_get - Get a semaphore id
sem_release - Release a semaphore
sem_remove - Remove a semaphore
serialize - Generates a storable representation of a value 
sesam_affected_rows - Get number of rows affected by an immediate query 
sesam_commit - Commit pending updates to the SESAM database 
sesam_connect - Open SESAM database connection
sesam_diagnostic - Return status information for last SESAM call 
sesam_disconnect - Detach from SESAM connection
sesam_errormsg - Returns error message of last SESAM call
sesam_execimm - Execute an "immediate" SQL-statement
sesam_fetch_array - Fetch one row as an associative array
sesam_fetch_result - Return all or part of a query result
sesam_fetch_row - Fetch one row as an array
sesam_field_array - Return meta information about individual columns in a result 
sesam_field_name - Return one column name of the result set 
sesam_free_result - Releases resources for the query
sesam_num_fields - Return the number of fields/columns in a result set 
sesam_query - Perform a SESAM SQL query and prepare the result
sesam_rollback - Discard any pending updates to the SESAM database 
sesam_seek_row - Set scrollable cursor mode for subsequent fetches 
sesam_settransaction - Set SESAM transaction parameters
session_cache_expire - Return current cache expire
session_cache_limiter - Get and/or set the current cache limiter
session_decode - Decodes session data from a string
session_destroy - Destroys all data registered to a session
session_encode - Encodes the current session data as a string 
session_get_cookie_params - Get the session cookie parameters 
session_id - Get and/or set the current session id
session_is_registered - Find out whether a global variable is registered in a session 
session_module_name - Get and/or set the current session module
session_name - Get and/or set the current session name
session_regenerate_id - Update the current session id with a newly generated one 
session_register - Register one or more global variables with the current session 
session_save_path - Get and/or set the current session save path
session_set_cookie_params - Set the session cookie parameters 
session_set_save_handler - Sets user-level session storage functions 
session_start - Initialize session data
session_unregister - Unregister a global variable from the current session 
session_unset - Free all session variables 
session_write_close - Write session data and end session
setcookie - Send a cookie
setlocale - Set locale information
settype - Set the type of a variable
set_error_handler - Sets a user-defined error handler function. 
set_file_buffer - Alias of stream_set_write_buffer
set_include_path - Sets the include_path configuration option 
set_magic_quotes_runtime - Sets the current active configuration setting of magic_quotes_runtime 
set_time_limit - Limits the maximum execution time
sha1 - Calculate the sha1 hash of a string
sha1_file - Calculate the sha1 hash of a file
shell_exec - Execute command via shell and return complete output as string 
shmop_close - Close shared memory block
shmop_delete - Delete shared memory block
shmop_open - Create or open shared memory block
shmop_read - Read data from shared memory block
shmop_size - Get size of shared memory block
shmop_write - Write data into shared memory block
shm_attach - Creates or open a shared memory segment
shm_detach - Disconnects from shared memory segment
shm_get_var - Returns a variable from shared memory
shm_put_var - Inserts or updates a variable in shared memory
shm_remove - Removes shared memory from Unix systems
shm_remove_var - Removes a variable from shared memory 
show_source - Alias of highlight_file
shuffle - Shuffle an array
similar_text - Calculate the similarity between two strings 
sin - Sine
sinh - Hyperbolic sine
sizeof - Alias of count
sleep - Delay execution
snmpget - Fetch an SNMP object
snmprealwalk - Return all objects including their respective object ID within the specified one 
snmpset - Set an SNMP object
snmpwalk - Fetch all the SNMP objects from an agent
snmpwalkoid - Query for a tree of information about a network entity 
snmp_get_quick_print - Fetch the current value of the UCD library's quick_print setting 
snmp_set_quick_print - Set the value of quick_print within the UCD SNMP library 
socket_accept - Accepts a connection on a socket
socket_bind - Binds a name to a socket
socket_clear_error - Clears the error on the socket or the last error code
socket_close - Closes a socket resource
socket_connect - Initiates a connection on a socket
socket_create - Create a socket (endpoint for communication)
socket_create_listen - Opens a socket on port to accept connections 
socket_create_pair - Creates a pair of indistinguishable sockets and stores them in fds. 
socket_getpeername - Queries the remote side of the given socket which may either result in host/port or in a UNIX filesystem path, dependent on its type. 
socket_getsockname - Queries the local side of the given socket which may either result in host/port or in a UNIX filesystem path, dependent on its type. 
socket_get_option - Gets socket options for the socket 
socket_get_status - Alias of stream_get_meta_data. 
socket_iovec_add - Adds a new vector to the scatter/gather array 
socket_iovec_alloc - Builds a 'struct iovec' for use with sendmsg, recvmsg, writev, and readv 
socket_iovec_delete - Deletes a vector from an array of vectors 
socket_iovec_fetch - Returns the data held in the iovec specified by iovec_id[iovec_position] 
socket_iovec_free - Frees the iovec specified by iovec_id 
socket_iovec_set - Sets the data held in iovec_id[iovec_position] to new_val 
socket_last_error - Returns the last error on the socket 
socket_listen - Listens for a connection on a socket
socket_read - Reads a maximum of length bytes from a socket
socket_readv - Reads from an fd, using the scatter-gather array defined by iovec_id 
socket_recv - Receives data from a connected socket 
socket_recvfrom - Receives data from a socket, connected or not 
socket_recvmsg - Used to receive messages on a socket, whether connection-oriented or not 
socket_select - Runs the select() system call on the given arrays of sockets with a specified timeout 
socket_send - Sends data to a connected socket 
socket_sendmsg - Sends a message to a socket, regardless of whether it is connection-oriented or not 
socket_sendto - Sends a message to a socket, whether it is connected or not 
socket_set_block - Sets blocking mode on a socket resource 
socket_set_blocking - Alias for stream_set_blocking
socket_set_nonblock - Sets nonblocking mode for file descriptor fd 
socket_set_option - Sets socket options for the socket
socket_set_timeout - Alias for stream_set_timeout
socket_shutdown - Shuts down a socket for receiving, sending, or both. 
socket_strerror - Return a string describing a socket error
socket_write - Write to a socket
socket_writev - Writes to a file descriptor, fd, using the scatter-gather array defined by iovec_id 
sort - Sort an array
soundex - Calculate the soundex key of a string
split - split string into array by regular expression
spliti - Split string into array by regular expression case insensitive 
sprintf - Return a formatted string
sqlite_array_query - Execute a query against a given database and returns an array.
sqlite_busy_timeout - Set busy timeout duration, or disable busy handlers.
sqlite_changes - Returns the number of rows that were changed by the most recent SQL statement. 
sqlite_close - Closes an open SQLite database.
sqlite_column - Fetches a column from the current row of a result set.
sqlite_create_aggregate - Register an aggregating UDF for use in SQL statements.
sqlite_create_function - Registers a "regular" User Defined Function for use in SQL statements. 
sqlite_current - Fetches the current row from a result set as an array.
sqlite_error_string - Returns the textual description of an error code.
sqlite_escape_string - Escapes a string for use as a query parameter
sqlite_fetch_array - Fetches the next row from a result set as an array.
sqlite_fetch_single - Fetches the first column of a result set as a string.
sqlite_fetch_string - Alias of sqlite_fetch_single
sqlite_field_name - Returns the name of a particular field.
sqlite_has_more - Returns whether or not more rows are available.
sqlite_last_error - Returns the error code of the last error for a database.
sqlite_last_insert_rowid - Returns the rowid of the most recently inserted row.
sqlite_libencoding - Returns the encoding of the linked SQLite library.
sqlite_libversion - Returns the version of the linked SQLite library.
sqlite_next - Seek to the next row number.
sqlite_num_fields - Returns the number of fields in a result set.
sqlite_num_rows - Returns the number of rows in a buffered result set.
sqlite_open - Opens a SQLite database. Will create the database if it does not exist
sqlite_popen - Opens a persistent handle to an SQLite database. Will create the database if it does not exist. 
sqlite_query - Executes a query against a given database and returns a result handle. 
sqlite_rewind - Seek to the first row number.
sqlite_seek - Seek to a particular row number of a buffered result set.
sqlite_udf_decode_binary - Decode binary data passed as parameters to an UDF.
sqlite_udf_encode_binary - Encode binary data before returning it from an UDF.
sqlite_unbuffered_query - Execute a query that does not prefetch and buffer all data
sql_regcase - Make regular expression for case insensitive match 
sqrt - Square root
srand - Seed the random number generator
sscanf - Parses input from a string according to a format 
stat - Gives information about a file
strcasecmp - Binary safe case-insensitive string comparison 
strchr - Alias for strstr
strcmp - Binary safe string comparison
strcoll - Locale based string comparison
strcspn - Find length of initial segment not matching mask 
stream_context_create - Create a streams context
stream_context_get_options - Retrieve options for a stream/wrapper/context
stream_context_set_option - Sets an option for a stream/wrapper/context
stream_context_set_params - Set parameters for a stream/wrapper/context
stream_copy_to_stream - Copies data from one stream to another
stream_filter_append - Attach a filter to a stream.
stream_filter_prepend - Attach a filter to a stream.
stream_filter_register - Register a stream filter implemented as a PHP class derived from php_user_filter 
stream_get_filters - Retrieve list of registered filters
stream_get_line - Gets line from stream resource up to a given delimiter
stream_get_meta_data - Retrieves header/meta data from streams/file pointers
stream_get_transports - Retrieve list of registered socket transports
stream_get_wrappers - Retrieve list of registered streams
stream_register_wrapper - Alias of stream_wrapper_register
stream_select - Runs the equivalent of the select() system call on the given arrays of streams with a timeout specified by tv_sec and tv_usec 
stream_set_blocking - Set blocking/non-blocking mode on a stream
stream_set_timeout - Set timeout period on a stream
stream_set_write_buffer - Sets file buffering on the given stream
stream_socket_accept - Accept a connection on a socket created by stream_socket_server 
stream_socket_client - Open Internet or Unix domain socket connection 
stream_socket_get_name - Retrieve the name of the local or remote sockets
stream_socket_server - Create an Internet or Unix domain server socket 
stream_wrapper_register - Register a URL wrapper implemented as a PHP class
strftime - Format a local time/date according to locale settings 
stripcslashes - Un-quote string quoted with addcslashes 
stripos - Find position of first occurrence of a case-insensitive string 
stripslashes - Un-quote string quoted with addslashes 
strip_tags - Strip HTML and PHP tags from a string
stristr - Case-insensitive strstr 
strlen - Get string length
strnatcasecmp - Case insensitive string comparisons using a "natural order" algorithm 
strnatcmp - String comparisons using a "natural order" algorithm 
strncasecmp - Binary safe case-insensitive string comparison of the first n characters 
strncmp - Binary safe string comparison of the first n characters 
strpos - Find position of first occurrence of a string 
strrchr - Find the last occurrence of a character in a string 
strrev - Reverse a string
strripos - Find position of last occurrence of a case-insensitive string in a string 
strrpos - Find position of last occurrence of a char in a string 
strspn - Find length of initial segment matching mask 
strstr - Find first occurrence of a string
strtok - Tokenize string
strtolower - Make a string lowercase
strtotime - Parse about any English textual datetime description into a UNIX timestamp 
strtoupper - Make a string uppercase
strtr - Translate certain characters
strval - Get string value of a variable
str_ireplace - Case-insensitive version of str_replace. 
str_pad - Pad a string to a certain length with another string 
str_repeat - Repeat a string
str_replace - Replace all occurrences of the search string with the replacement string 
str_rot13 - Perform the rot13 transform on a string
str_shuffle - Randomly shuffles a string
str_split - Convert a string to an array 
str_word_count - Return information about words used in a string 
substr - Return part of a string
substr_count - Count the number of substring occurrences
substr_replace - Replace text within a portion of a string
SWFAction - Creates a new Action.
SWFBitmap - Loads Bitmap object
SWFBitmap-&#62;getHeight - Returns the bitmap's height.
SWFBitmap-&#62;getWidth - Returns the bitmap's width.
SWFbutton - Creates a new Button.
SWFbutton-&#62;addAction - Adds an action
SWFbutton-&#62;addShape - Adds a shape to a button
SWFbutton-&#62;setAction - Sets the action
SWFbutton-&#62;setdown - Alias for addShape(shape, SWFBUTTON_DOWN))
SWFbutton-&#62;setHit - Alias for addShape(shape, SWFBUTTON_HIT)
SWFbutton-&#62;setOver - Alias for addShape(shape, SWFBUTTON_OVER)
SWFbutton-&#62;setUp - Alias for addShape(shape, SWFBUTTON_UP)
swfbutton_keypress - Returns the action flag for keyPress(char) 
SWFDisplayItem - Creates a new displayitem object.
SWFDisplayItem-&#62;addColor - Adds the given color to this item's color transform.
SWFDisplayItem-&#62;move - Moves object in relative coordinates.
SWFDisplayItem-&#62;moveTo - Moves object in global coordinates.
SWFDisplayItem-&#62;multColor - Multiplies the item's color transform.
SWFDisplayItem-&#62;remove - Removes the object from the movie
SWFDisplayItem-&#62;Rotate - Rotates in relative coordinates.
SWFDisplayItem-&#62;rotateTo - Rotates the object in global coordinates.
SWFDisplayItem-&#62;scale - Scales the object in relative coordinates.
SWFDisplayItem-&#62;scaleTo - Scales the object in global coordinates.
SWFDisplayItem-&#62;setDepth - Sets z-order
SWFDisplayItem-&#62;setName - Sets the object's name
SWFDisplayItem-&#62;setRatio - Sets the object's ratio.
SWFDisplayItem-&#62;skewX - Sets the X-skew.
SWFDisplayItem-&#62;skewXTo - Sets the X-skew.
SWFDisplayItem-&#62;skewY - Sets the Y-skew.
SWFDisplayItem-&#62;skewYTo - Sets the Y-skew.
SWFFill - Loads SWFFill object
SWFFill-&#62;moveTo - Moves fill origin
SWFFill-&#62;rotateTo - Sets fill's rotation
SWFFill-&#62;scaleTo - Sets fill's scale
SWFFill-&#62;skewXTo - Sets fill x-skew
SWFFill-&#62;skewYTo - Sets fill y-skew
SWFFont - Loads a font definition
swffont-&#62;getwidth - Returns the string's width
SWFGradient - Creates a gradient object
SWFGradient-&#62;addEntry - Adds an entry to the gradient list.
SWFMorph - Creates a new SWFMorph object.
SWFMorph-&#62;getshape1 - Gets a handle to the starting shape
SWFMorph-&#62;getshape2 - Gets a handle to the ending shape
SWFMovie - Creates a new movie object, representing an SWF version 4 movie.
SWFMovie-&#62;add - Adds any type of data to a movie.
SWFMovie-&#62;nextframe - Moves to the next frame of the animation.
SWFMovie-&#62;output - Dumps your lovingly prepared movie out.
swfmovie-&#62;remove - Removes the object instance from the display list.
SWFMovie-&#62;save - Saves your movie in a file.
SWFMovie-&#62;setbackground - Sets the background color.
SWFMovie-&#62;setdimension - Sets the movie's width and height.
SWFMovie-&#62;setframes - Sets the total number of frames in the animation.
SWFMovie-&#62;setrate - Sets the animation's frame rate.
SWFMovie-&#62;streammp3 - Streams a MP3 file.
SWFShape - Creates a new shape object.
SWFShape-&#62;addFill - Adds a solid fill to the shape.
SWFShape-&#62;drawCurve - Draws a curve (relative).
SWFShape-&#62;drawCurveTo - Draws a curve.
SWFShape-&#62;drawLine - Draws a line (relative).
SWFShape-&#62;drawLineTo - Draws a line.
SWFShape-&#62;movePen - Moves the shape's pen (relative).
SWFShape-&#62;movePenTo - Moves the shape's pen.
SWFShape-&#62;setLeftFill - Sets left rasterizing color.
SWFShape-&#62;setLine - Sets the shape's line style.
SWFShape-&#62;setRightFill - Sets right rasterizing color.
SWFSprite - Creates a movie clip (a sprite)
swfsprite-&#62;add - Adds an object to a sprite
SWFSprite-&#62;nextframe - Moves to the next frame of the animation.
SWFSprite-&#62;remove - Removes an object to a sprite
SWFSprite-&#62;setframes - Sets the total number of frames in the animation.
SWFText - Creates a new SWFText object.
SWFText-&#62;addString - Draws a string
SWFText-&#62;getWidth - Computes string's width
SWFText-&#62;moveTo - Moves the pen
SWFText-&#62;setColor - Sets the current font color
SWFText-&#62;setFont - Sets the current font
SWFText-&#62;setHeight - Sets the current font height
SWFText-&#62;setSpacing - Sets the current font spacing
SWFTextField - Creates a text field object
SWFTextField-&#62;addstring - Concatenates the given string to the text field
SWFTextField-&#62;align - Sets the text field alignment
SWFTextField-&#62;setbounds - Sets the text field width and height
SWFTextField-&#62;setcolor - Sets the color of the text field. 
SWFTextField-&#62;setFont - Sets the text field font
SWFTextField-&#62;setHeight - Sets the font height of this text field font.
SWFTextField-&#62;setindentation - Sets the indentation of the first line.
SWFTextField-&#62;setLeftMargin - Sets the left margin width of the text field.
SWFTextField-&#62;setLineSpacing - Sets the line spacing of the text field.
SWFTextField-&#62;setMargins - Sets the margins width of the text field.
SWFTextField-&#62;setname - Sets the variable name
SWFTextField-&#62;setrightMargin - Sets the right margin width of the text field.
swf_actiongeturl - Get a URL from a Shockwave Flash movie
swf_actiongotoframe - Play a frame and then stop
swf_actiongotolabel - Display a frame with the specified label 
swf_actionnextframe - Go foward one frame
swf_actionplay - Start playing the flash movie from the current frame 
swf_actionprevframe - Go backwards one frame
swf_actionsettarget - Set the context for actions
swf_actionstop - Stop playing the flash movie at the current frame 
swf_actiontogglequality - Toggle between low and high quality 
swf_actionwaitforframe - Skip actions if a frame has not been loaded 
swf_addbuttonrecord - Controls location, appearance and active area of the current button 
swf_addcolor - Set the global add color to the rgba value specified 
swf_closefile - Close the current Shockwave Flash file
swf_definebitmap - Define a bitmap
swf_definefont - Defines a font 
swf_defineline - Define a line
swf_definepoly - Define a polygon 
swf_definerect - Define a rectangle
swf_definetext - Define a text string
swf_endbutton - End the definition of the current button 
swf_enddoaction - End the current action
swf_endshape - Completes the definition of the current shape 
swf_endsymbol - End the definition of a symbol
swf_fontsize - Change the font size
swf_fontslant - Set the font slant
swf_fonttracking - Set the current font tracking
swf_getbitmapinfo - Get information about a bitmap
swf_getfontinfo - The height in pixels of a capital A and a lowercase x 
swf_getframe - Get the frame number of the current frame
swf_labelframe - Label the current frame
swf_lookat - Define a viewing transformation
swf_modifyobject - Modify an object
swf_mulcolor - Sets the global multiply color to the rgba value specified 
swf_nextid - Returns the next free object id
swf_oncondition - Describe a transition used to trigger an action list 
swf_openfile - Open a new Shockwave Flash file
swf_ortho - Defines an orthographic mapping of user coordinates onto the current viewport 
swf_ortho2 - Defines 2D orthographic mapping of user coordinates onto the current viewport 
swf_perspective - Define a perspective projection transformation 
swf_placeobject - Place an object onto the screen
swf_polarview - Define the viewer's position with polar coordinates 
swf_popmatrix - Restore a previous transformation matrix 
swf_posround - Enables or Disables the rounding of the translation when objects are placed or moved 
swf_pushmatrix - Push the current transformation matrix back unto the stack 
swf_removeobject - Remove an object
swf_rotate - Rotate the current transformation
swf_scale - Scale the current transformation
swf_setfont - Change the current font
swf_setframe - Switch to a specified frame
swf_shapearc - Draw a circular arc
swf_shapecurveto - Draw a quadratic bezier curve between two points 
swf_shapecurveto3 - Draw a cubic bezier curve
swf_shapefillbitmapclip - Set current fill mode to clipped bitmap 
swf_shapefillbitmaptile - Set current fill mode to tiled bitmap 
swf_shapefilloff - Turns off filling
swf_shapefillsolid - Set the current fill style to the specified color 
swf_shapelinesolid - Set the current line style
swf_shapelineto - Draw a line
swf_shapemoveto - Move the current position
swf_showframe - Display the current frame
swf_startbutton - Start the definition of a button
swf_startdoaction - Start a description of an action list for the current frame 
swf_startshape - Start a complex shape
swf_startsymbol - Define a symbol
swf_textwidth - Get the width of a string
swf_translate - Translate the current transformations
swf_viewport - Select an area for future drawing
sybase_affected_rows - Gets number of affected rows in last query
sybase_close - Closes a Sybase connection
sybase_connect - Opens a Sybase server connection
sybase_data_seek - Moves internal row pointer
sybase_deadlock_retry_count - Sets the deadlock retry count
sybase_fetch_array - Fetch row as array
sybase_fetch_assoc - Fetch a result row as an associative array
sybase_fetch_field - Get field information from a result
sybase_fetch_object - Fetch a row as an object
sybase_fetch_row - Get a result row as an enumerated array
sybase_field_seek - Sets field offset
sybase_free_result - Frees result memory
sybase_get_last_message - Returns the last message from the server
sybase_min_client_severity - Sets minimum client severity
sybase_min_error_severity - Sets minimum error severity
sybase_min_message_severity - Sets minimum message severity
sybase_min_server_severity - Sets minimum server severity
sybase_num_fields - Gets the number of fields in a result set
sybase_num_rows - Get number of rows in a result set
sybase_pconnect - Open persistent Sybase connection
sybase_query - Sends a Sybase query
sybase_result - Get result data
sybase_select_db - Selects a Sybase database
sybase_set_message_handler - Sets the handler called when a server message is raised
sybase_unbuffered_query - Send a Sybase query and do not block
symlink - Creates a symbolic link
syslog - Generate a system log message
system - Execute an external program and display output
tan - Tangent
tanh - Hyperbolic tangent
tempnam - Create file with unique file name
textdomain - Sets the default domain
time - Return current UNIX timestamp
tmpfile - Creates a temporary file
token_get_all - Split given source into PHP tokens
token_name - Get the symbolic name of a given PHP token
touch - Sets access and modification time of file
trigger_error - Generates a user-level error/warning/notice message 
trim - Strip whitespace from the beginning and end of a string 
uasort - Sort an array with a user-defined comparison function and maintain index association 
ucfirst - Make a string's first character uppercase
ucwords - Uppercase the first character of each word in a string 
udm_add_search_limit - Add various search limits
udm_alloc_agent - Allocate mnoGoSearch session
udm_api_version - Get mnoGoSearch API version.
udm_cat_list - Get all the categories on the same level with the current one.
udm_cat_path - Get the path to the current category.
udm_check_charset - Check if the given charset is known to mnogosearch 
udm_check_stored - Check connection to stored 
udm_clear_search_limits - Clear all mnoGoSearch search restrictions
udm_close_stored - Close connection to stored 
udm_crc32 - Return CRC32 checksum of gived string 
udm_errno - Get mnoGoSearch error number
udm_error - Get mnoGoSearch error message
udm_find - Perform search
udm_free_agent - Free mnoGoSearch session
udm_free_ispell_data - Free memory allocated for ispell data
udm_free_res - Free mnoGoSearch result
udm_get_doc_count - Get total number of documents in database.
udm_get_res_field - Fetch mnoGoSearch result field
udm_get_res_param - Get mnoGoSearch result parameters
udm_load_ispell_data - Load ispell data
udm_open_stored - Open connection to stored 
udm_set_agent_param - Set mnoGoSearch agent session parameters
uksort - Sort an array by keys using a user-defined comparison function 
umask - Changes the current umask
uniqid - Generate a unique ID
unixtojd - Convert UNIX timestamp to Julian Day
unlink - Deletes a file
unpack - Unpack data from binary string
unregister_tick_function - De-register a function for execution on each tick 
unserialize - Creates a PHP value from a stored representation 
unset - Unset a given variable
urldecode - Decodes URL-encoded string
urlencode - URL-encodes string
user_error - Alias of trigger_error
usleep - Delay execution in microseconds
usort - Sort an array by values using a user-defined comparison function 
utf8_decode - Converts a string with ISO-8859-1 characters encoded with UTF-8 to single-byte ISO-8859-1. 
utf8_encode - encodes an ISO-8859-1 string to UTF-8
VARIANT - VARIANT class
var_dump - Dumps information about a variable
var_export - Outputs or returns a string representation of a variable
version_compare - Compares two "PHP-standardized" version number strings 
virtual - Perform an Apache sub-request
vpopmail_add_alias_domain - Add an alias for a virtual domain
vpopmail_add_alias_domain_ex - Add alias to an existing virtual domain
vpopmail_add_domain - Add a new virtual domain
vpopmail_add_domain_ex - Add a new virtual domain
vpopmail_add_user - Add a new user to the specified virtual domain
vpopmail_alias_add - insert a virtual alias
vpopmail_alias_del - deletes all virtual aliases of a user
vpopmail_alias_del_domain - deletes all virtual aliases of a domain
vpopmail_alias_get - get all lines of an alias for a domain
vpopmail_alias_get_all - get all lines of an alias for a domain
vpopmail_auth_user - Attempt to validate a username/domain/password. Returns true/false
vpopmail_del_domain - Delete a virtual domain
vpopmail_del_domain_ex - Delete a virtual domain
vpopmail_del_user - Delete a user from a virtual domain
vpopmail_error - Get text message for last vpopmail error. Returns string
vpopmail_passwd - Change a virtual user's password
vpopmail_set_user_quota - Sets a virtual user's quota
vprintf - Output a formatted string
vsprintf - Return a formatted string
w32api_deftype - Defines a type for use with other w32api_functions
w32api_init_dtype - Creates an instance of the data type typename and fills it with the values passed 
w32api_invoke_function - Invokes function funcname with the arguments passed after the function name
w32api_register_function - Registers function function_name from library with PHP
w32api_set_call_method - Sets the calling method used
wddx_add_vars - Add variables to a WDDX packet with the specified ID 
wddx_deserialize - Deserializes a WDDX packet
wddx_packet_end - Ends a WDDX packet with the specified ID
wddx_packet_start - Starts a new WDDX packet with structure inside it 
wddx_serialize_value - Serialize a single value into a WDDX packet
wddx_serialize_vars - Serialize variables into a WDDX packet
wordwrap - Wraps a string to a given number of characters using a string break character. 
xmlrpc_decode - Decodes XML into native PHP types
xmlrpc_decode_request - Decodes XML into native PHP types
xmlrpc_encode - Generates XML for a PHP value
xmlrpc_encode_request - Generates XML for a method request
xmlrpc_get_type - Gets xmlrpc type for a PHP value. Especially useful for base64 and datetime strings
xmlrpc_parse_method_descriptions - Decodes XML into a list of method descriptions
xmlrpc_server_add_introspection_data - Adds introspection documentation
xmlrpc_server_call_method - Parses XML requests and call methods
xmlrpc_server_create - Creates an xmlrpc server
xmlrpc_server_destroy - Destroys server resources
xmlrpc_server_register_introspection_callback - Register a PHP function to generate documentation
xmlrpc_server_register_method - Register a PHP function to resource method matching method_name
xmlrpc_set_type - Sets xmlrpc type, base64 or datetime, for a PHP string value
xml_error_string - get XML parser error string
xml_get_current_byte_index - get current byte index for an XML parser
xml_get_current_column_number - Get current column number for an XML parser 
xml_get_current_line_number - get current line number for an XML parser
xml_get_error_code - get XML parser error code
xml_parse - start parsing an XML document
xml_parser_create - create an XML parser
xml_parser_create_ns - Create an XML parser with namespace support 
xml_parser_free - Free an XML parser
xml_parser_get_option - get options from an XML parser
xml_parser_set_option - set options in an XML parser
xml_parse_into_struct - Parse XML data into an array structure
xml_set_character_data_handler - set up character data handler
xml_set_default_handler - set up default handler
xml_set_element_handler - set up start and end element handlers
xml_set_end_namespace_decl_handler - Set up character data handler 
xml_set_external_entity_ref_handler - set up external entity reference handler
xml_set_notation_decl_handler - set up notation declaration handler
xml_set_object - Use XML Parser within an object
xml_set_processing_instruction_handler - Set up processing instruction (PI) handler 
xml_set_start_namespace_decl_handler - Set up character data handler 
xml_set_unparsed_entity_decl_handler - Set up unparsed entity declaration handler 
xpath_eval - Evaluates the XPath Location Path in the given string 
xpath_eval_expression - Evaluates the XPath Location Path in the given string 
xpath_new_context - Creates new xpath context 
xptr_eval - Evaluate the XPtr Location Path in the given string 
xptr_new_context - Create new XPath Context 
xslt_create - Create a new XSLT processor
xslt_errno - Returns an error number
xslt_error - Returns an error string
xslt_free - Free XSLT processor
xslt_process - Perform an XSLT transformation
xslt_set_base - Set the base URI for all XSLT transformations
xslt_set_encoding - Set the encoding for the parsing of XML documents
xslt_set_error_handler - Set an error handler for a XSLT processor
xslt_set_log - Set the log file to write log messages to
xslt_set_sax_handler - Set SAX handlers for a XSLT processor
xslt_set_sax_handlers - Set the SAX handlers to be called when the XML document gets processed 
xslt_set_scheme_handler - Set Scheme handlers for a XSLT processor
xslt_set_scheme_handlers - Set the scheme handlers for the XSLT processor 
yaz_addinfo - Returns additional error information
yaz_ccl_conf - Configure CCL parser
yaz_ccl_parse - Invoke CCL Parser
yaz_close - Close YAZ connection
yaz_connect - Prepares for a connection to a Z39.50 target (server). 
yaz_database - Specifies the databases within a session 
yaz_element - Specifies Element-Set Name for retrieval 
yaz_errno - Returns error number
yaz_error - Returns error description
yaz_get_option - Returns value of option for connection
yaz_hits - Returns number of hits for last search
yaz_itemorder - Prepares for Z39.50 Item Order with an ILL-Request package 
yaz_present - Prepares for retrieval (Z39.50 present). 
yaz_range - Specifies the maximum number of records to retrieve 
yaz_record - Returns a record
yaz_scan - Prepares for a scan
yaz_scan_result - Returns Scan Response result
yaz_schema - Specifies schema for retrieval. 
yaz_search - Prepares for a search
yaz_set_option - Sets one or more options for connection
yaz_sort - Sets sorting criteria
yaz_syntax - Specifies the preferred record syntax for retrieval. 
yaz_wait - Wait for Z39.50 requests to complete
yp_all - Traverse the map and call a function on each entry 
yp_cat - Return an array containing the entire map 
yp_errno - Returns the error code of the previous operation 
yp_err_string - Returns the error string associated with the given error code 
yp_first - Returns the first key-value pair from the named map 
yp_get_default_domain - Fetches the machine's default NIS domain
yp_master - Returns the machine name of the master NIS server for a map 
yp_match - Returns the matched line
yp_next - Returns the next key-value pair in the named map.
yp_order - Returns the order number for a map
zend_logo_guid - Gets the zend guid
zend_version - Gets the version of the current Zend engine
zip_close - Close a Zip File Archive
zip_entry_close - Close a Directory Entry
zip_entry_compressedsize - Retrieve the Compressed Size of a Directory Entry
zip_entry_compressionmethod - Retrieve the Compression Method of a Directory Entry
zip_entry_filesize - Retrieve the Actual File Size of a Directory Entry
zip_entry_name - Retrieve the Name of a Directory Entry
zip_entry_open - Open a Directory Entry for Reading
zip_entry_read - Read From an Open Directory Entry
zip_open - Open a Zip File Archive
zip_read - Read Next Entry in a Zip File Archive
zlib_get_coding_type - Returns the coding type used for output compression
