addcslashes ( string str, string charlist ) 

   Quote string with slashes in a C style (string) 

addslashes ( string str ) 

   Quote string with slashes (string) 

bin2hex ( string str ) 

    Convert binary data into hexadecimal representation (string) 

chr ( int ascii ) 

   Return a specific character (string) 

chunk_split ( string body [, int chunklen [, string end]] ) 

   Split a string into smaller chunks (string) 

convert_cyr_string ( string str, string from, string to ) 

    Convert from one Cyrillic character set to another (string) 

count_chars ( string string [, int mode] ) 

    Return information about characters used in a string (mixed) 

crc32 ( string str ) 

   Calculates the crc32 polynomial of a string (int) 

crypt ( string str [, string salt] ) 

   One-way string encryption (hashing) (string) 

echo ( string arg1 [, string ...] ) 

   Output one or more strings (void) 

explode ( string separator, string string [, int limit] ) 

   Split a string by string (array) 

get_html_translation_table ( [int table [, int quote_style]] ) 

    Returns the translation table used by htmlspecialchars() and htmlentities() (array) 

hebrev ( string hebrew_text [, int max_chars_per_line] ) 

    Convert logical Hebrew text to visual text (string) 

hebrevc ( string hebrew_text [, int max_chars_per_line] ) 

    Convert logical Hebrew text to visual text with newline conversion (string) 

html_entity_decode ( string string [, int quote_style [, string charset]] ) 

    Convert all HTML entities to their applicable characters (string) 

htmlentities ( string string [, int quote_style [, string charset]] ) 

    Convert all applicable characters to HTML entities (string) 

htmlspecialchars_decode ( string string [, int quote_style] ) 

    Convert special HTML entities back to characters (string) 

htmlspecialchars ( string string [, int quote_style [, string charset]] ) 

    Convert special characters to HTML entities (string) 

implode ( string glue, array pieces ) 

   Join array elements with a string (string) 

levenshtein ( string str1, string str2 [, int cost_ins, int cost_rep, int cost_del] ) 

    Calculate Levenshtein distance between two strings (int) 

localeconv ( void ) 

   Get numeric formatting information (array) 

ltrim ( string str [, string charlist] ) 

    Strip whitespace (or other characters) from the beginning of a string (string) 

md5_file ( string filename [, bool raw_output] ) 

   Calculates the md5 hash of a given file (string) 

md5 ( string str [, bool raw_output] ) 

   Calculate the md5 hash of a string (string) 

metaphone ( string str [, int phones] ) 

   Calculate the metaphone key of a string (string) 

money_format ( string format, float number ) 

   Formats a number as a currency string (string) 

nl_langinfo ( int item ) 

    Query language and locale information (string) 

nl2br ( string string ) 

    Inserts HTML line breaks before all newlines in a string (string) 

number_format ( float number [, int decimals [, string dec_point, string thousands_sep]] ) 

   Format a number with grouped thousands (string) 

ord ( string string ) 

   Return ASCII value of character (int) 

parse_str ( string str [, array &arr] ) 

   Parses the string into variables (void) 

print ( string arg ) 

   Output a string (int) 

printf ( string format [, mixed args [, mixed ...]] ) 

   Output a formatted string (int) 

quoted_printable_decode ( string str ) 

    Convert a quoted-printable string to an 8 bit string (string) 

quotemeta ( string str ) 

   Quote meta characters (string) 

rtrim ( string str [, string charlist] ) 

    Strip whitespace (or other characters) from the end of a string (string) 

setlocale ( int category, string locale [, string ...] ) 

   Set locale information (string) 

cal_days_in_month ( int calendar, int month, int year ) 

   Return the number of days in a month for a given year and calendar (int) 

cal_from_jd ( int jd, int calendar ) 

   Converts from Julian Day Count to a supported calendar (array) 

cal_info ( [int calendar] ) 

   Returns information about a particular calendar (array) 

cal_to_jd ( int calendar, int month, int day, int year ) 

   Converts from a supported calendar to Julian Day Count (int) 

easter_date ( [int year] ) 

    Get Unix timestamp for midnight on Easter of a given year (int) 

easter_days ( [int year [, int method]] ) 

    Get number of days after March 21 on which Easter falls for a given year (int) 

frenchtojd ( int month, int day, int year ) 

    Converts a date from the French Republican Calendar to a Julian Day Count (int) 

gregoriantojd ( int month, int day, int year ) 

    Converts a Gregorian date to Julian Day Count (int) 

jddayofweek ( int julianday [, int mode] ) 

   Returns the day of the week (mixed) 

jdmonthname ( int julianday, int mode ) 

   Returns a month name (string) 

jdtofrench ( int juliandaycount ) 

    Converts a Julian Day Count to the French Republican Calendar (string) 

jdtogregorian ( int julianday ) 

   Converts Julian Day Count to Gregorian date (string) 

jdtojewish ( int juliandaycount [, bool hebrew [, int fl]] ) 

    Converts a Julian day count to a Jewish calendar date (string) 

jdtojulian ( int julianday ) 

    Converts a Julian Day Count to a Julian Calendar Date (string) 

jdtounix ( int jday ) 

   Convert Julian Day to Unix timestamp (int) 

jewishtojd ( int month, int day, int year ) 

    Converts a date in the Jewish Calendar to Julian Day Count (int) 

juliantojd ( int month, int day, int year ) 

    Converts a Julian Calendar date to Julian Day Count (int) 

unixtojd ( [int timestamp] ) 

   Convert Unix timestamp to Julian Day (int) 

ctype_alnum ( string text ) 

   Check for alphanumeric character(s) (bool) 

ctype_alpha ( string text ) 

   Check for alphabetic character(s) (bool) 

ctype_cntrl ( string text ) 

   Check for control character(s) (bool) 

ctype_digit ( string text ) 

   Check for numeric character(s) (bool) 

ctype_graph ( string text ) 

   Check for any printable character(s) except space (bool) 

ctype_lower ( string text ) 

   Check for lowercase character(s) (bool) 

ctype_print ( string text ) 

   Check for printable character(s) (bool) 

ctype_punct ( string text ) 

    Check for any printable character which is not whitespace or an alphanumeric character (bool) 

ctype_space ( string text ) 

   Check for whitespace character(s) (bool) 

ctype_upper ( string text ) 

   Check for uppercase character(s) (bool) 

ctype_xdigit ( string text ) 

    Check for character(s) representing a hexadecimal digit (bool) 

checkdate ( int month, int day, int year ) 

   Validate a Gregorian date (bool) 

date_default_timezone_get ( void ) 

    Gets the default timezone used by all date/time functions in a script (string) 

date_default_timezone_set ( string timezone_identifier ) 

    Sets the default timezone used by all date/time functions in a script (bool) 

date ( string format [, int timestamp] ) 

   Format a local time/date (string) 

getdate ( [int timestamp] ) 

   Get date/time information (array) 

gettimeofday ( [bool return_float] ) 

   Get current time (mixed) 

gmdate ( string format [, int timestamp] ) 

   Format a GMT/UTC date/time (string) 

gmmktime ( [int hour [, int minute [, int second [, int month [, int day [, int year [, int is_dst]]]]]]] ) 

   Get Unix timestamp for a GMT date (int) 

gmstrftime ( string format [, int timestamp] ) 

   Format a GMT/UTC time/date according to locale settings (string) 

localtime ( [int timestamp [, bool is_associative]] ) 

   Get the local time (array) 

microtime ( [bool get_as_float] ) 

   Return current Unix timestamp with microseconds (mixed) 

mktime ( [int hour [, int minute [, int second [, int month [, int day [, int year [, int is_dst]]]]]]] ) 

   Get Unix timestamp for a date (int) 

strftime ( string format [, int timestamp] ) 

   Format a local time/date according to locale settings (string) 

strptime ( string date, string format ) 

    Parse a time/date generated with strftime() (array) 

strtotime ( string time [, int now] ) 

   Parse about any English textual datetime description into a Unix timestamp (int) 

time ( void ) 

   Return current Unix timestamp (int) 

dba_close ( resource handle ) 

   Close a DBA database (void) 

dba_delete ( string key, resource handle ) 

   Delete DBA entry specified by key (bool) 

dba_exists ( string key, resource handle ) 

   Check whether key exists (bool) 

dba_fetch ( string key, resource handle ) 

   Fetch data specified by key (string) 

dba_firstkey ( resource handle ) 

   Fetch first key (string) 

dba_handlers ( [bool full_info] ) 

   List all the handlers available (array) 

dba_insert ( string key, string value, resource handle ) 

   Insert entry (bool) 

dba_list ( void ) 

   List all open database files (array) 

dba_nextkey ( resource handle ) 

   Fetch next key (string) 

dba_open ( string path, string mode [, string handler [, mixed ...]] ) 

   Open database (resource) 

dba_optimize ( resource handle ) 

   Optimize database (bool) 

dba_popen ( string path, string mode [, string handler [, mixed ...]] ) 

   Open database persistently (resource) 

dba_replace ( string key, string value, resource handle ) 

   Replace or insert entry (bool) 

dba_sync ( resource handle ) 

   Synchronize database (bool) 

dio_close ( resource fd ) 

   Closes the file descriptor given by fd (void) 

dio_fcntl ( resource fd, int cmd [, mixed args] ) 

   Performs a c library fcntl on fd (mixed) 

dio_open ( string filename, int flags [, int mode] ) 

    Opens a new filename with specified permissions of flags and creation permissions of mode (resource) 

dio_read ( resource fd [, int len] ) 

   Reads bytes from a file descriptor (string) 

dio_seek ( resource fd, int pos [, int whence] ) 

   Seeks to pos on fd from whence (int) 

dio_stat ( resource fd ) 

    Gets stat information about the file descriptor fd (array) 

dio_tcsetattr ( resource fd, array options ) 

    Sets terminal attributes and baud rate for a serial port (bool) 

dio_truncate ( resource fd, int offset ) 

    Truncates file descriptor fd to offset bytes (bool) 

dio_write ( resource fd, string data [, int len] ) 

    Writes data to fd with optional truncation at length (int) 

chdir ( string directory ) 

   Change directory (bool) 

chroot ( string directory ) 

   Change the root directory (bool) 

closedir ( resource dir_handle ) 

   Close directory handle (void) 

getcwd ( void ) 

   Gets the current working directory (string) 

opendir ( string path [, resource context] ) 

   Open directory handle (resource) 

readdir ( resource dir_handle ) 

   Read entry from directory handle (string) 

rewinddir ( resource dir_handle ) 

   Rewind directory handle (void) 

basename ( string path [, string suffix] ) 

   Returns filename component of path (string) 

chgrp ( string filename, mixed group ) 

   Changes file group (bool) 

chmod ( string filename, int mode ) 

   Changes file mode (bool) 

chown ( string filename, mixed user ) 

   Changes file owner (bool) 

clearstatcache ( void ) 

   Clears file status cache (void) 

copy ( string source, string dest ) 

   Copies file (bool) 

dirname ( string path ) 

   Returns directory name component of path (string) 

disk_free_space ( string directory ) 

   Returns available space in directory (float) 

disk_total_space ( string directory ) 

   Returns the total size of a directory (float) 

fclose ( resource handle ) 

   Closes an open file pointer (bool) 

feof ( resource handle ) 

   Tests for end-of-file on a file pointer (bool) 

fflush ( resource handle ) 

   Flushes the output to a file (bool) 

fgetc ( resource handle ) 

   Gets character from file pointer (string) 

fgetcsv ( resource handle [, int length [, string delimiter [, string enclosure]]] ) 

   Gets line from file pointer and parse for CSV fields (array) 

fgets ( resource handle [, int length] ) 

   Gets line from file pointer (string) 

fgetss ( resource handle [, int length [, string allowable_tags]] ) 

   Gets line from file pointer and strip HTML tags (string) 

file_exists ( string filename ) 

   Checks whether a file or directory exists (bool) 

file_get_contents ( string filename [, bool use_include_path [, resource context [, int offset [, int maxlen]]]] ) 

   Reads entire file into a string (string) 

file ( string filename [, int use_include_path [, resource context]] ) 

   Reads entire file into an array (array) 

ftp_cdup ( resource ftp_stream ) 

   Changes to the parent directory (bool) 

ftp_chdir ( resource ftp_stream, string directory ) 

   Changes the current directory on a FTP server (bool) 

ftp_close ( resource ftp_stream ) 

   Closes an FTP connection (bool) 

ftp_connect ( string host [, int port [, int timeout]] ) 

   Opens an FTP connection (resource) 

ftp_delete ( resource ftp_stream, string path ) 

   Deletes a file on the FTP server (bool) 

ftp_exec ( resource ftp_stream, string command ) 

   Requests execution of a program on the FTP server (bool) 

ftp_fget ( resource ftp_stream, resource handle, string remote_file, int mode [, int resumepos] ) 

   Downloads a file from the FTP server and saves to an open file (bool) 

ftp_fput ( resource ftp_stream, string remote_file, resource handle, int mode [, int startpos] ) 

   Uploads from an open file to the FTP server (bool) 

ftp_get_option ( resource ftp_stream, int option ) 

   Retrieves various runtime behaviours of the current FTP stream (mixed) 

ftp_get ( resource ftp_stream, string local_file, string remote_file, int mode [, int resumepos] ) 

   Downloads a file from the FTP server (bool) 

ftp_login ( resource ftp_stream, string username, string password ) 

   Logs in to an FTP connection (bool) 

ftp_mdtm ( resource ftp_stream, string remote_file ) 

   Returns the last modified time of the given file (int) 

ftp_mkdir ( resource ftp_stream, string directory ) 

   Creates a directory (string) 

ftp_nb_continue ( resource ftp_stream ) 

   Continues retrieving/sending a file (non-blocking) (int) 

ftp_nb_fget ( resource ftp_stream, resource handle, string remote_file, int mode [, int resumepos] ) 

   Retrieves a file from the FTP server and writes it to an open file (non-blocking) (int) 

ftp_nb_fput ( resource ftp_stream, string remote_file, resource handle, int mode [, int startpos] ) 

   Stores a file from an open file to the FTP server (non-blocking) (int) 

ftp_nb_get ( resource ftp_stream, string local_file, string remote_file, int mode [, int resumepos] ) 

   Retrieves a file from the FTP server and writes it to a local file (non-blocking) (int) 

ftp_nb_put ( resource ftp_stream, string remote_file, string local_file, int mode [, int startpos] ) 

   Stores a file on the FTP server (non-blocking) (int) 

ftp_nlist ( resource ftp_stream, string directory ) 

   Returns a list of files in the given directory (array) 

ftp_pasv ( resource ftp_stream, bool pasv ) 

   Turns passive mode on or off (bool) 

ftp_put ( resource ftp_stream, string remote_file, string local_file, int mode [, int startpos] ) 

   Uploads a file to the FTP server (bool) 

ftp_pwd ( resource ftp_stream ) 

   Returns the current directory name (string) 

ftp_rawlist ( resource ftp_stream, string directory [, bool recursive] ) 

   Returns a detailed list of files in the given directory (array) 

ftp_rename ( resource ftp_stream, string oldname, string newname ) 

   Renames a file or a directory on the FTP server (bool) 

ftp_rmdir ( resource ftp_stream, string directory ) 

   Removes a directory (bool) 

ftp_set_option ( resource ftp_stream, int option, mixed value ) 

   Set miscellaneous runtime FTP options (bool) 

ftp_site ( resource ftp_stream, string command ) 

   Sends a SITE command to the server (bool) 

ftp_size ( resource ftp_stream, string remote_file ) 

   Returns the size of the given file (int) 

ftp_ssl_connect ( string host [, int port [, int timeout]] ) 

   Opens an Secure SSL-FTP connection (resource) 

ftp_systype ( resource ftp_stream ) 

   Returns the system type identifier of the remote FTP server (string) 

call_user_func_array ( callback function, array param_arr ) 

    Call a user function given with an array of parameters (mixed) 

call_user_func ( callback function [, mixed parameter [, mixed ...]] ) 

    Call a user function given by the first parameter (mixed) 

create_function ( string args, string code ) 

   Create an anonymous (lambda-style) function (string) 

func_get_arg ( int arg_num ) 

   Return an item from the argument list (mixed) 

func_get_args ( void ) 

    Returns an array comprising a function's argument list (array) 

func_num_args ( void ) 

    Returns the number of arguments passed to the function (int) 

function_exists ( string function_name ) 

    Return TRUE if the given function has been defined (bool) 

get_defined_functions ( void ) 

    Returns an array of all defined functions (array) 

register_shutdown_function ( callback function [, mixed parameter [, mixed ...]] ) 

    Register a function for execution on shutdown (void) 

register_tick_function ( callback function [, mixed arg [, mixed ...]] ) 

    Register a function for execution on each tick (bool) 

unregister_tick_function ( string function_name ) 

    De-register a function for execution on each tick (void) 

header ( string string [, bool replace [, int http_response_code]] ) 

   Send a raw HTTP header (void) 

headers_sent ( [string &file [, int &line]] ) 

   Checks if or where headers have been sent (bool) 

setcookie ( string name [, string value [, int expire [, string path [, string domain [, bool secure]]]]] ) 

   Send a cookie (bool) 

gd_info ( void ) 

   Retrieve information about the currently installed GD library (array) 

getimagesize ( string filename [, array &imageinfo] ) 

   Get the size of an image (array) 

image_type_to_mime_type ( int imagetype ) 

   Get Mime-Type for image-type returned by getimagesize, exif_read_data, exif_thumbnail, exif_imagetype (string) 

image2wbmp ( resource image [, string filename [, int threshold]] ) 

   Output image to browser or file (int) 

imagealphablending ( resource image, bool blendmode ) 

   Set the blending mode for an image (bool) 

imageantialias ( resource im, bool on ) 

    Should antialias functions be used or not (bool) 

imagearc ( resource image, int cx, int cy, int w, int h, int s, int e, int color ) 

   Draw a partial ellipse (bool) 

imagechar ( resource image, int font, int x, int y, string c, int color ) 

   Draw a character horizontally (bool) 

imagecharup ( resource image, int font, int x, int y, string c, int color ) 

   Draw a character vertically (bool) 

imagecolorallocate ( resource image, int red, int green, int blue ) 

   Allocate a color for an image (int) 

imagecolorallocatealpha ( resource image, int red, int green, int blue, int alpha ) 

   Allocate a color for an image (int) 

imagecolorat ( resource image, int x, int y ) 

   Get the index of the color of a pixel (int) 

imagecolorclosest ( resource image, int red, int green, int blue ) 

   Get the index of the closest color to the specified color (int) 

imagecolorclosestalpha ( resource image, int red, int green, int blue, int alpha ) 

   Get the index of the closest color to the specified color + alpha (int) 

imagecolorclosesthwb ( resource image, int red, int green, int blue ) 

    Get the index of the color which has the hue, white and blackness nearest to the given color (int) 

imagecolordeallocate ( resource image, int color ) 

   De-allocate a color for an image (bool) 

imagecolorexact ( resource image, int red, int green, int blue ) 

   Get the index of the specified color (int) 

imagecolorexactalpha ( resource image, int red, int green, int blue, int alpha ) 

   Get the index of the specified color + alpha (int) 

imagecolormatch ( resource image1, resource image2 ) 

    Makes the colors of the palette version of an image more closely match the true color version (bool) 

imagecolorresolve ( resource image, int red, int green, int blue ) 

    Get the index of the specified color or its closest possible alternative (int) 

imagecolorresolvealpha ( resource image, int red, int green, int blue, int alpha ) 

    Get the index of the specified color + alpha or its closest possible alternative (int) 

imagecolorset ( resource image, int index, int red, int green, int blue ) 

   Set the color for the specified palette index (void) 

imagecolorsforindex ( resource image, int index ) 

   Get the colors for an index (array) 

imagecolorstotal ( resource image ) 

   Find out the number of colors in an image's palette (int) 

imagecolortransparent ( resource image [, int color] ) 

   Define a color as transparent (int) 

imageconvolution ( resource image, array matrix3x3, float div, float offset ) 

    Apply a 3x3 convolution matrix, using coefficient div and offset (bool) 

imagecopy ( resource dst_im, resource src_im, int dst_x, int dst_y, int src_x, int src_y, int src_w, int src_h ) 

   Copy part of an image (bool) 

imagecopymerge ( resource dst_im, resource src_im, int dst_x, int dst_y, int src_x, int src_y, int src_w, int src_h, int pct ) 

   Copy and merge part of an image (bool) 

imagecopymergegray ( resource dst_im, resource src_im, int dst_x, int dst_y, int src_x, int src_y, int src_w, int src_h, int pct ) 

   Copy and merge part of an image with gray scale (bool) 

imagecopyresampled ( resource dst_image, resource src_image, int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h ) 

   Copy and resize part of an image with resampling (bool) 

imagecopyresized ( resource dst_image, resource src_image, int dst_x, int dst_y, int src_x, int src_y, int dst_w, int dst_h, int src_w, int src_h ) 

   Copy and resize part of an image (bool) 

imagecreate ( int x_size, int y_size ) 

   Create a new palette based image (resource) 

imagecreatefromgd2 ( string filename ) 

   Create a new image from GD2 file or URL (resource) 

imagecreatefromgd2part ( string filename, int srcX, int srcY, int width, int height ) 

   Create a new image from a given part of GD2 file or URL (resource) 

imagecreatefromgd ( string filename ) 

   Create a new image from GD file or URL (resource) 

imagecreatefromgif ( string filename ) 

   Create a new image from file or URL (resource) 

imagecreatefromjpeg ( string filename ) 

   Create a new image from file or URL (resource) 

imap_8bit ( string string ) 

    Convert an 8bit string to a quoted-printable string (string) 

imap_alerts ( void ) 

    This function returns all IMAP alert messages (if any) that have occurred during this page request or since the alert stack was reset (array) 

imap_append ( resource imap_stream, string mbox, string message [, string options] ) 

    Append a string message to a specified mailbox (bool) 

imap_base64 ( string text ) 

   Decode BASE64 encoded text (string) 

imap_binary ( string string ) 

    Convert an 8bit string to a base64 string (string) 

imap_body ( resource imap_stream, int msg_number [, int options] ) 

   Read the message body (string) 

imap_bodystruct ( resource stream_id, int msg_no, string section ) 

    Read the structure of a specified body section of a specific message (object) 

imap_check ( resource imap_stream ) 

   Check current mailbox (object) 

imap_clearflag_full ( resource stream, string sequence, string flag [, string options] ) 

   Clears flags on messages (bool) 

imap_close ( resource imap_stream [, int flag] ) 

   Close an IMAP stream (bool) 

imap_createmailbox ( resource imap_stream, string mbox ) 

   Create a new mailbox (bool) 

imap_delete ( int imap_stream, int msg_number [, int options] ) 

    Mark a message for deletion from current mailbox (bool) 

imap_deletemailbox ( resource imap_stream, string mbox ) 

   Delete a mailbox (bool) 

imap_errors ( void ) 

    This function returns all of the IMAP errors (if any) that have occurred during this page request or since the error stack was reset (array) 

imap_expunge ( resource imap_stream ) 

   Delete all messages marked for deletion (bool) 

imap_fetch_overview ( resource imap_stream, string sequence [, int options] ) 

    Read an overview of the information in the headers of the given message (array) 

imap_fetchbody ( resource imap_stream, int msg_number, string part_number [, int options] ) 

    Fetch a particular section of the body of the message (string) 

imap_fetchheader ( resource imap_stream, int msgno [, int options] ) 

   Returns header for a message (string) 

imap_fetchstructure ( resource imap_stream, int msg_number [, int options] ) 

    Read the structure of a particular message (object) 

imap_get_quota ( resource imap_stream, string quota_root ) 

    Retrieve the quota level settings, and usage statics per mailbox (array) 

imap_get_quotaroot ( resource imap_stream, string quota_root ) 

    Retrieve the quota settings per user (array) 

imap_getmailboxes ( resource imap_stream, string ref, string pattern ) 

    Read the list of mailboxes, returning detailed information on each one (array) 

imap_getsubscribed ( resource imap_stream, string ref, string pattern ) 

   List all the subscribed mailboxes (array) 

imap_headerinfo ( resource imap_stream, int msg_number [, int fromlength [, int subjectlength [, string defaulthost]]] ) 

   Read the header of the message (object) 

imap_headers ( resource imap_stream ) 

    Returns headers for all messages in a mailbox (array) 

imap_last_error ( void ) 

    This function returns the last IMAP error (if any) that occurred during this page request (string) 

imap_list ( resource imap_stream, string ref, string pattern ) 

   Read the list of mailboxes (array) 

imap_lsub ( resource imap_stream, string ref, string pattern ) 

   List all the subscribed mailboxes (array) 

imap_mail_compose ( array envelope, array body ) 

    Create a MIME message based on given envelope and body sections (string) 

imap_mail_copy ( resource imap_stream, string msglist, string mbox [, int options] ) 

   Copy specified messages to a mailbox (bool) 

imap_mail_move ( resource imap_stream, string msglist, string mbox [, int options] ) 

   Move specified messages to a mailbox (bool) 

imap_mail ( string to, string subject, string message [, string additional_headers [, string cc [, string bcc [, string rpath]]]] ) 

    Send an email message (bool) 

imap_mailboxmsginfo ( resource imap_stream ) 

   Get information about the current mailbox (object) 

imap_mime_header_decode ( string text ) 

   Decode MIME header elements (array) 

imap_msgno ( resource imap_stream, int uid ) 

    This function returns the message sequence number for the given UID (int) 

imap_num_msg ( resource imap_stream ) 

    Gives the number of messages in the current mailbox (int) 

imap_num_recent ( resource imap_stream ) 

   Gives the number of recent messages in current mailbox (int) 

imap_open ( string mailbox, string username, string password [, int options] ) 

   Open an IMAP stream to a mailbox (resource) 

imap_ping ( resource imap_stream ) 

   Check if the IMAP stream is still active (bool) 

imap_qprint ( string string ) 

   Convert a quoted-printable string to an 8 bit string (string) 

imap_renamemailbox ( resource imap_stream, string old_mbox, string new_mbox ) 

   Rename an old mailbox to new mailbox (bool) 

imap_reopen ( resource imap_stream, string mailbox [, int options] ) 

   Reopen IMAP stream to new mailbox (bool) 

imap_rfc822_parse_adrlist ( string address, string default_host ) 

   Parses an address string (array) 

imap_rfc822_parse_headers ( string headers [, string defaulthost] ) 

   Parse mail headers from a string (object) 

imap_rfc822_write_address ( string mailbox, string host, string personal ) 

    Returns a properly formatted email address given the mailbox, host, and personal info (string) 

imap_search ( resource imap_stream, string criteria [, int options [, string charset]] ) 

    This function returns an array of messages matching the given search criteria (array) 

imap_set_quota ( resource imap_stream, string quota_root, int quota_limit ) 

   Sets a quota for a given mailbox (bool) 

imap_setacl ( resource stream_id, string mailbox, string id, string rights ) 

    Sets the ACL for a giving mailbox (bool) 

imap_setflag_full ( resource stream, string sequence, string flag [, string options] ) 

   Sets flags on messages (bool) 

imap_sort ( resource stream, int criteria, int reverse [, int options [, string search_criteria [, string charset]]] ) 

   Sort an array of message headers (array) 

imap_status ( resource imap_stream, string mailbox, int options ) 

    This function returns status information on a mailbox other than the current one (object) 

imap_subscribe ( resource imap_stream, string mbox ) 

   Subscribe to a mailbox (bool) 

imap_thread ( resource stream_id [, int options] ) 

    Returns a tree of threaded message (array) 

imap_timeout ( int timeout_type [, int timeout] ) 

    Set or fetch imap timeout (mixed) 

imap_uid ( resource imap_stream, int msgno ) 

    This function returns the UID for the given message sequence number (int) 

imap_undelete ( resource imap_stream, int msg_number [, int flags] ) 

    Unmark the message which is marked deleted (bool) 

imap_unsubscribe ( string imap_stream, string mbox ) 

   Unsubscribe from a mailbox (bool) 

imap_utf7_decode ( string text ) 

    Decodes a modified UTF-7 encoded string (string) 

imap_utf7_encode ( string data ) 

    Converts ISO-8859-1 string to modified UTF-7 text (string) 

imap_utf8 ( string mime_encoded_text ) 

    Converts MIME-encoded text to UTF-8 (string) 

ezmlm_hash ( string addr ) 

   Calculate the hash value needed by EZMLM (int) 

mail ( string to, string subject, string message [, string additional_headers [, string additional_parameters]] ) 

   Send mail (bool) 

abs ( mixed number ) 

   Absolute value (number) 

acos ( float arg ) 

   Arc cosine (float) 

acosh ( float arg ) 

   Inverse hyperbolic cosine (float) 

asin ( float arg ) 

   Arc sine (float) 

asinh ( float arg ) 

   Inverse hyperbolic sine (float) 

atan2 ( float y, float x ) 

   Arc tangent of two variables (float) 

atan ( float arg ) 

   Arc tangent (float) 

atanh ( float arg ) 

   Inverse hyperbolic tangent (float) 

base_convert ( string number, int frombase, int tobase ) 

   Convert a number between arbitrary bases (string) 

bindec ( string binary_string ) 

   Binary to decimal (number) 

ceil ( float value ) 

   Round fractions up (float) 

cos ( float arg ) 

   Cosine (float) 

cosh ( float arg ) 

   Hyperbolic cosine (float) 

decbin ( int number ) 

   Decimal to binary (string) 

dechex ( int number ) 

   Decimal to hexadecimal (string) 

decoct ( int number ) 

   Decimal to octal (string) 

deg2rad ( float number ) 

    Converts the number in degrees to the radian equivalent (float) 

exp ( float arg ) 

   Calculates the exponent of e (float) 

expm1 ( float number ) 

    Returns exp(number) - 1, computed in a way that is accurate even when the value of number is close to zero (float) 

floor ( float value ) 

   Round fractions down (float) 

fmod ( float x, float y ) 

   Returns the floating point remainder (modulo) of the division of the arguments (float) 

getrandmax ( void ) 

   Show largest possible random value (int) 

hexdec ( string hex_string ) 

   Hexadecimal to decimal (number) 

hypot ( float x, float y ) 

    Calculate the length of the hypotenuse of a right-angle triangle (float) 

is_finite ( float val ) 

   Finds whether a value is a legal finite number (bool) 

is_infinite ( float val ) 

   Finds whether a value is infinite (bool) 

is_nan ( float val ) 

   Finds whether a value is not a number (bool) 

lcg_value ( void ) 

   Combined linear congruential generator (float) 

log10 ( float arg ) 

   Base-10 logarithm (float) 

log1p ( float number ) 

    Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero (float) 

log ( float arg [, float base] ) 

   Natural logarithm (float) 

max ( number arg1, number arg2 [, number ...] ) 

   Find highest value (mixed) 

min ( number arg1, number arg2 [, number ...] ) 

   Find lowest value (mixed) 

mt_getrandmax ( void ) 

   Show largest possible random value (int) 

mt_rand ( [int min, int max] ) 

   Generate a better random value (int) 

mt_srand ( [int seed] ) 

   Seed the better random number generator (void) 

octdec ( string octal_string ) 

   Octal to decimal (number) 

pi ( void ) 

   Get value of pi (float) 

pow ( number base, number exp ) 

   Exponential expression (number) 

rad2deg ( float number ) 

    Converts the radian number to the equivalent number in degrees (float) 

rand ( [int min, int max] ) 

   Generate a random integer (int) 

round ( float val [, int precision] ) 

   Rounds a float (float) 

sin ( float arg ) 

   Sine (float) 

sinh ( float arg ) 

   Hyperbolic sine (float) 

sqrt ( float arg ) 

   Square root (float) 

srand ( [int seed] ) 

   Seed the random number generator (void) 

tan ( float arg ) 

   Tangent (float) 

tanh ( float arg ) 

   Hyperbolic tangent (float) 

mhash_count ( void ) 

   Get the highest available hash id (int) 

mhash_get_block_size ( int hash ) 

   Get the block size of the specified hash (int) 

mhash_get_hash_name ( int hash ) 

   Get the name of the specified hash (string) 

mhash_keygen_s2k ( int hash, string password, string salt, int bytes ) 

   Generates a key (string) 

mhash ( int hash, string data [, string key] ) 

   Compute hash (string) 

connection_aborted ( void ) 

   Returns TRUE if client disconnected (int) 

connection_status ( void ) 

   Returns connection status bitfield (int) 

connection_timeout ( void ) 

   Return TRUE if script timed out (bool) 

constant ( string name ) 

   Returns the value of a constant (mixed) 

define ( string name, mixed value [, bool case_insensitive] ) 

   Defines a named constant (bool) 

defined ( string name ) 

    Checks whether a given named constant exists (bool) 

eval ( string code_str ) 

   Evaluate a string as PHP code (mixed) 

exit ( [string status] ) 

   Output a message and terminate the current script (void) 

get_browser ( [string user_agent [, bool return_array]] ) 

    Tells what the user's browser is capable of (mixed) 

highlight_file ( string filename [, bool return] ) 

   Syntax highlighting of a file (mixed) 

highlight_string ( string str [, bool return] ) 

   Syntax highlighting of a string (mixed) 

ignore_user_abort ( [bool setting] ) 

    Set whether a client disconnect should abort script execution (int) 

pack ( string format [, mixed args [, mixed ...]] ) 

   Pack data into binary string (string) 

php_check_syntax ( string file_name [, string &error_message] ) 

    Check the PHP syntax of (and execute) the specified file (bool) 

sleep ( int seconds ) 

   Delay execution (int) 

time_sleep_until ( float timestamp ) 

    Make the script sleep until the specified time (bool) 

uniqid ( [string prefix [, bool more_entropy]] ) 

   Generate a unique ID (string) 

unpack ( string format, string data ) 

   Unpack data from binary string (array) 

usleep ( int micro_seconds ) 

   Delay execution in microseconds (void) 

mysql_affected_rows ( [resource link_identifier] ) 

   Get number of affected rows in previous MySQL operation (int) 

mysql_change_user ( string user, string password [, string database [, resource link_identifier]] ) 

   Change logged in user of the active connection (int) 

mysql_client_encoding ( [resource link_identifier] ) 

   Returns the name of the character set (string) 

mysql_close ( [resource link_identifier] ) 

   Close MySQL connection (bool) 

mysql_connect ( [string server [, string username [, string password [, bool new_link [, int client_flags]]]]] ) 

   Open a connection to a MySQL Server (resource) 

mysql_create_db ( string database_name [, resource link_identifier] ) 

   Create a MySQL database (bool) 

mysql_data_seek ( resource result, int row_number ) 

   Move internal result pointer (bool) 

mysql_db_name ( resource result, int row [, mixed field] ) 

   Get result data (string) 

mysql_db_query ( string database, string query [, resource link_identifier] ) 

   Send a MySQL query (resource) 

mysql_drop_db ( string database_name [, resource link_identifier] ) 

   Drop (delete) a MySQL database (bool) 

mysql_errno ( [resource link_identifier] ) 

   Returns the numerical value of the error message from previous MySQL operation (int) 

mysql_error ( [resource link_identifier] ) 

   Returns the text of the error message from previous MySQL operation (string) 

mysql_escape_string ( string unescaped_string ) 

   Escapes a string for use in a mysql_query (string) 

mysql_fetch_array ( resource result [, int result_type] ) 

   Fetch a result row as an associative array, a numeric array, or both (array) 

mysql_fetch_assoc ( resource result ) 

   Fetch a result row as an associative array (array) 

mysql_fetch_field ( resource result [, int field_offset] ) 

   Get column information from a result and return as an object (object) 

mysql_fetch_lengths ( resource result ) 

   Get the length of each output in a result (array) 

mysql_fetch_object ( resource result ) 

   Fetch a result row as an object (object) 

mysql_fetch_row ( resource result ) 

   Get a result row as an enumerated array (array) 

mysql_field_flags ( resource result, int field_offset ) 

   Get the flags associated with the specified field in a result (string) 

mysql_field_len ( resource result, int field_offset ) 

   Returns the length of the specified field (int) 

mysql_field_name ( resource result, int field_offset ) 

   Get the name of the specified field in a result (string) 

mysql_field_seek ( resource result, int field_offset ) 

   Set result pointer to a specified field offset (bool) 

mysql_field_table ( resource result, int field_offset ) 

   Get name of the table the specified field is in (string) 

mysql_field_type ( resource result, int field_offset ) 

   Get the type of the specified field in a result (string) 

mysql_free_result ( resource result ) 

   Free result memory (bool) 

mysql_get_client_info ( void ) 

   Get MySQL client info (string) 

mysql_get_host_info ( [resource link_identifier] ) 

   Get MySQL host info (string) 

mysql_get_proto_info ( [resource link_identifier] ) 

   Get MySQL protocol info (int) 

mysql_get_server_info ( [resource link_identifier] ) 

   Get MySQL server info (string) 

mysql_info ( [resource link_identifier] ) 

   Get information about the most recent query (string) 

mysql_insert_id ( [resource link_identifier] ) 

   Get the ID generated from the previous INSERT operation (int) 

mysql_list_dbs ( [resource link_identifier] ) 

   List databases available on a MySQL server (resource) 

mysql_list_fields ( string database_name, string table_name [, resource link_identifier] ) 

   List MySQL table fields (resource) 

mysql_list_processes ( [resource link_identifier] ) 

   List MySQL processes (resource) 

mysql_list_tables ( string database [, resource link_identifier] ) 

   List tables in a MySQL database (resource) 

mysql_num_fields ( resource result ) 

   Get number of fields in result (int)  

mysql_num_rows ( resource result ) 

   Get number of rows in result (int) 

mysql_pconnect ( [string server [, string username [, string password [, int client_flags]]]] ) 

   Open a persistent connection to a MySQL server (resource) 

mysql_ping ( [resource link_identifier] ) 

   Ping a server connection or reconnect if there is no connection (bool) 

mysql_query ( string query [, resource link_identifier] ) 

   Send a MySQL query (resource) 

mysql_real_escape_string ( string unescaped_string [, resource link_identifier] ) 

   Escapes special characters in a string for use in a SQL statement (string) 

mysql_result ( resource result, int row [, mixed field] ) 

   Get result data (string) 

mysql_select_db ( string database_name [, resource link_identifier] ) 

   Select a MySQL database (bool) 

mysql_stat ( [resource link_identifier] ) 

   Get current system status (string) 

mysql_tablename ( resource result, int i ) 

   Get table name of field (string) 

mysql_thread_id ( [resource link_identifier] ) 

   Return the current thread ID (int) 

mysql_unbuffered_query ( string query [, resource link_identifier] ) 

   Send an SQL query to MySQL, without fetching and buffering the result rows (resource) 

mysqli_embedded_connect ( [string dbname] ) 

   Open a connection to an embedded mysql server (mysqli) 

mysqli_server_end ( void ) 

   Shut down the embedded server (void) 

mysqli_server_init ( [array server [, array groups]] ) 

   Initialize embedded server (bool) 

checkdnsrr ( string host [, string type] ) 

    Check DNS records corresponding to a given Internet host name or IP address (int) 

closelog ( void ) 

   Close connection to system logger (bool) 

debugger_off ( void ) 

   Disable internal PHP debugger (PHP 3) (int) 

debugger_on ( string address ) 

   Enable internal PHP debugger (PHP 3) (int) 

define_syslog_variables ( void ) 

   Initializes all syslog related constants (void) 

fsockopen ( string target [, int port [, int &errno [, string &errstr [, float timeout]]]] ) 

    Open Internet or Unix domain socket connection (resource) 

gethostbyaddr ( string ip_address ) 

    Get the Internet host name corresponding to a given IP address (string) 

gethostbyname ( string hostname ) 

    Get the IP address corresponding to a given Internet host name (string) 

gethostbynamel ( string hostname ) 

    Get a list of IP addresses corresponding to a given Internet host name (array) 

getmxrr ( string hostname, array &mxhosts [, array &weight] ) 

    Get MX records corresponding to a given Internet host name (bool) 

getprotobyname ( string name ) 

    Get protocol number associated with protocol name (int) 

getprotobynumber ( int number ) 

    Get protocol name associated with protocol number (string) 

getservbyname ( string service, string protocol ) 

    Get port number associated with an Internet service and protocol (int) 

getservbyport ( int port, string protocol ) 

    Get Internet service which corresponds to port and protocol (string) 

inet_ntop ( string in_addr ) 

    Converts a packed internet address to a human readable representation (string) 

inet_pton ( string address ) 

    Converts a human readable IP address to its packed in_addr representation (string) 

ip2long ( string ip_address ) 

    Converts a string containing an (IPv4) Internet Protocol dotted address into a proper address (int) 

long2ip ( int proper_address ) 

    Converts an (IPv4) Internet network address into a string in Internet standard dotted format (string) 

openlog ( string ident, int option, int facility ) 

   Open connection to system logger (bool) 

pfsockopen ( string hostname [, int port [, int &errno [, string &errstr [, float timeout]]]] ) 

    Open persistent Internet or Unix domain socket connection (resource) 

syslog ( int priority, string message ) 

   Generate a system log message (bool) 

odbc_autocommit ( resource connection_id [, bool OnOff] ) 

   Toggle autocommit behaviour (mixed) 

odbc_binmode ( resource result_id, int mode ) 

   Handling of binary column data (bool) 

odbc_close_all ( void ) 

   Close all ODBC connections (void) 

odbc_close ( resource connection_id ) 

   Close an ODBC connection (void) 

odbc_columnprivileges ( resource connection_id, string qualifier, string owner, string table_name, string column_name ) 

    Returns a result identifier that can be used to fetch a list of columns and associated privileges (resource) 

odbc_columns ( resource connection_id [, string qualifier [, string schema [, string table_name [, string column_name]]]] ) 

    Lists the column names in specified tables (resource) 

odbc_commit ( resource connection_id ) 

   Commit an ODBC transaction (bool) 

odbc_connect ( string dsn, string user, string password [, int cursor_type] ) 

   Connect to a datasource (resource) 

odbc_cursor ( resource result_id ) 

   Get cursorname (string) 

odbc_data_source ( resource connection_id, int fetch_type ) 

   Returns information about a current connection (array) 

odbc_do ( resource conn_id, string query ) 

   Synonym for odbc_exec() (resource) 

odbc_error ( [resource connection_id] ) 

   Get the last error code (string) 

odbc_errormsg ( [resource connection_id] ) 

   Get the last error message (string) 

odbc_exec ( resource connection_id, string query_string [, int flags] ) 

   Prepare and execute a SQL statement (resource) 

odbc_execute ( resource result_id [, array parameters_array] ) 

   Execute a prepared statement (bool) 

odbc_fetch_array ( resource result [, int rownumber] ) 

   Fetch a result row as an associative array (array) 

odbc_fetch_into ( resource result_id, array &result_array [, int rownumber] ) 

   Fetch one result row into array (int) 

odbc_fetch_object ( resource result [, int rownumber] ) 

   Fetch a result row as an object (object) 

odbc_fetch_row ( resource result_id [, int row_number] ) 

   Fetch a row (bool) 

odbc_field_len ( resource result_id, int field_number ) 

   Get the length (precision) of a field (int) 

odbc_field_name ( resource result_id, int field_number ) 

   Get the columnname (string) 

odbc_field_num ( resource result_id, string field_name ) 

   Return column number (int) 

odbc_field_precision ( resource result_id, int field_number ) 

   Synonym for odbc_field_len() (int) 

odbc_field_scale ( resource result_id, int field_number ) 

   Get the scale of a field (int) 

odbc_field_type ( resource result_id, int field_number ) 

   Datatype of a field (string) 

odbc_foreignkeys ( resource connection_id, string pk_qualifier, string pk_owner, string pk_table, string fk_qualifier, string fk_owner, string fk_table ) 

    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 (resource) 

odbc_free_result ( resource result_id ) 

   Free resources associated with a result (bool) 

odbc_gettypeinfo ( resource connection_id [, int data_type] ) 

    Returns a result identifier containing information about data types supported by the data source (resource) 

odbc_longreadlen ( resource result_id, int length ) 

   Handling of LONG columns (bool) 

odbc_next_result ( resource result_id ) 

    Checks if multiple results are available (bool) 

odbc_num_fields ( resource result_id ) 

   Number of columns in a result (int) 

odbc_num_rows ( resource result_id ) 

   Number of rows in a result (int) 

odbc_pconnect ( string dsn, string user, string password [, int cursor_type] ) 

   Open a persistent database connection (resource) 

odbc_prepare ( resource connection_id, string query_string ) 

   Prepares a statement for execution (resource) 

odbc_primarykeys ( resource connection_id, string qualifier, string owner, string table ) 

    Returns a result identifier that can be used to fetch the column names that comprise the primary key for a table (resource) 

odbc_procedurecolumns ( resource connection_id [, string qualifier, string owner, string proc, string column] ) 

    Retrieve information about parameters to procedures (resource) 

odbc_procedures ( resource connection_id [, string qualifier, string owner, string name] ) 

    Get the list of procedures stored in a specific data source (resource) 

odbc_result_all ( resource result_id [, string format] ) 

   Print result as HTML table (int) 

odbc_result ( resource result_id, mixed field ) 

   Get result data (mixed) 

odbc_rollback ( resource connection_id ) 

   Rollback a transaction (bool) 

odbc_setoption ( resource id, int function, int option, int param ) 

    Adjust ODBC settings (bool) 

odbc_specialcolumns ( resource connection_id, int type, string qualifier, string owner, string table, int scope, int nullable ) 

    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 ( resource connection_id, string qualifier, string owner, string table_name, int unique, int accuracy ) 

   Retrieve statistics about a table (resource) 

odbc_tableprivileges ( resource connection_id, string qualifier, string owner, string name ) 

    Lists tables and the privileges associated with each table (resource) 

odbc_tables ( resource connection_id [, string qualifier [, string owner [, string name [, string types]]]] )     Get the list of table names stored in a specific data source (resource) 

pcntl_alarm ( int seconds ) 

    Set an alarm clock for delivery of a signal (int) 

pcntl_exec ( string path [, array args [, array envs]] ) 

    Executes specified program in current process space (void) 

pcntl_fork ( void ) 

   Forks the currently running process (int) 

pcntl_signal ( int signo, callback handle [, bool restart_syscalls] ) 

   Installs a signal handler (bool) 

pcntl_waitpid ( int pid, int &status [, int options] ) 

   Waits on or returns the status of a forked child (int) 

pcntl_wexitstatus ( int status ) 

    Returns the return code of a terminated child (int) 

pcntl_wifexited ( int status ) 

    Returns TRUE if status code represents a successful exit (bool) 

pcntl_wifsignaled ( int status ) 

    Returns TRUE if status code represents a termination due to a signal (bool) 

pcntl_wifstopped ( int status ) 

    Returns TRUE if child process is currently stopped (bool) 

pcntl_wstopsig ( int status ) 

    Returns the signal which caused the child to stop (int) 

pcntl_wtermsig ( int status ) 

    Returns the signal which caused the child to terminate (int) 

posix_access ( string file [, int mode] ) 

    Determine accessibility of a file (bool) 

posix_ctermid ( void ) 

   Get path name of controlling terminal (string) 

posix_get_last_error ( void ) 

    Retrieve the error number set by the last posix function that failed (int) 

posix_getcwd ( void ) 

   Pathname of current directory (string) 

posix_getegid ( void ) 

    Return the effective group ID of the current process (int) 

posix_geteuid ( void ) 

    Return the effective user ID of the current process (int) 

posix_getgid ( void ) 

    Return the real group ID of the current process (int) 

posix_getgrgid ( int gid ) 

   Return info about a group by group id (array) 

posix_getgrnam ( string name ) 

   Return info about a group by name (array) 

posix_getgroups ( void ) 

    Return the group set of the current process (array) 

posix_getlogin ( void ) 

   Return login name (string) 

posix_getpgid ( int pid ) 

   Get process group id for job control (int) 

posix_getpgrp ( void ) 

    Return the current process group identifier (int) 

posix_getpid ( void ) 

   Return the current process identifier (int) 

posix_getppid ( void ) 

   Return the parent process identifier (int) 

posix_getpwnam ( string username ) 

   Return info about a user by username (array) 

posix_getpwuid ( int uid ) 

   Return info about a user by user id (array) 

posix_getrlimit ( void ) 

   Return info about system resource limits (array) 

posix_getsid ( int pid ) 

   Get the current sid of the process (int) 

posix_getuid ( void ) 

    Return the real user ID of the current process (int) 

posix_isatty ( int fd ) 

    Determine if a file descriptor is an interactive terminal (bool) 

posix_kill ( int pid, int sig ) 

   Send a signal to a process (bool) 

posix_mkfifo ( string pathname, int mode ) 

    Create a fifo special file (a named pipe) (bool) 

posix_mknod ( string pathname, int mode [, int major [, int minor]] )