php-src/FUNCTION_LIST.txt

Functions:

Functions marked with 'u' do not work, or may not work correctly under windows.

basic_functions
	include
	_include
	isset

	intval
	doubleval
	strval
	short_tags
	sleep						
u	usleep				
	ksort
	asort
	sort
	count
	chr
	ord
	flush
	end
	prev
	next
	reset
	current
	key
	gettype
	settype
	min
	max

	addslashes
	chop
	pos

	fsockopen
	getimagesize
	htmlspecialchars
	md5

	parse_url

	parse_str
	phpinfo
	phpversion
	strlen
	strtok
	strtoupper
	strtolower
	strchr
	basename
	dirname 
	stripslashes
	strstr
	strrchr
	substr
	quotemeta
	urlencode
	urldecode
	ucfirst
	strtr
	sprintf
	printf

	exec
	system
	escapeshellcmd
	passthru

	soundex

	rand
	srand
	getrandmax
	gethostbyaddr
	gethostbyname
	explode
	implode
	error_reporting
	clearstatcache

	get_current_user
	getmyuid
	getmypid
u	getmyinode
	getlastmod

	base64_decode
	base64_encode

	abs
	ceil
	floor
	sin
	cos
	tan
	asin
	acos
	atan
	pi
	pow
	exp
	log
	log10
	sqrt
	bindec
	hexdec
	octdec
	decbin
	decoct
	dechex

	getenv
	putenv

	time
	mktime
	date
	gmdate
	getdate
	checkdate
	microtime
	uniqid

u	linkinfo
u	readlink
u	symlink
u	link
u	unlink


bcmath_functions
	bcadd
	bcsub
	bcmul
	bcdiv
	bcmod
	bcpow
	bcsqrt
	bcscale
	bccomp

dir_functions
	opendir
	closedir
	chdir
	rewinddir
	readdir
	dir

dl_functions
	dl(string module_name);  dynamicly load a module

dns_functions
	gethostbyaddr
	gethostbyname

file_functions
	pclose
	popen
	readfile
	rewind
	rmdir
	umask
	fclose
	feof
	fgets
	fgetss
	fopen
	fpassthru
	fseek
	ftell
	fputs
	mkdir
	rename
	copy
	tempnam
	file

filestat_functions
	fileatime
	filectime
u	filegroup
u	fileinode
	filemtime
u	fileowner
	fileperms
	filesize
	filetype
	stat
u	chown
u	chgrp
u	chmod
	touch
	file_exists
	is_executable
	is_dir
	is_readable
	is_writeable
u	is_link

header_functions
	setcookie
	header

mail_functions
	mail

reg_functions
	ereg
	ereg_replace
	eregi
	eregi_replace
	split
	sql_regcase

syslog_functions (writes to event log on win NT)
	openlog
	syslog
	closelog

The following are optional modules and may or may not be compiled into php, or may be compiled as a loadable module.

odbc_functions (obsolete, use uodbc below)
	sqlconnect
	sqldisconnect
	sqlfetch
	sqlexecdirect
	sqlgetdata
	sqlfree
	sqlrowcount

uodbc_functions
    (int) odbc_autocommit($connection_id, $OnOff)
    (void) odbc_close($connection_id)
    (void) odbc_close_all(void)
    (int) odbc_commit($connection_id)
    (int) odbc_connect($dsn, $user, $password)
    (int) odbc_pconnect($dsn, $user, $password)
    (string) odbc_cursor($result_id)
    (int) odbc_do($connection_id, $query_string)
    (int) odbc_exec($connection_id, $query_string)
    (int) odbc_prepare($connection_id, $query_string)
    (int) odbc_execute($result_id, $array)
    (int) odbc_fetch_row($result_id, $row_number)
    (int) odbc_fetch_into($result_id, $row_number, $array_ptr)
    (int) odbc_field_len($result_id, $field_number)
    (string) odbc_field_name($result_id, $field_number)
    (string) odbc_field_type($result_id, $field)
    (int) odbc_free_result($result_id)
    (int) odbc_num_fields($result_id)
    (int) odbc_num_rows($result_id)
    (string) odbc_result($result_id, $field)
    (int) odbc_result_all($result_id, $format)
    (int) odbc_rollback($connection_id)

msql_functions
	msql_connect
	msql_pconnect
	msql_close
	msql_select_db
	msql_create_db
	msql_drop_db
	msql_query
	msql
	msql_list_dbs
	msql_list_tables
	msql_list_fields
	msql_result
	msql_num_rows
	msql_num_fields
	msql_fetch_row
	msql_fetch_array
	msql_fetch_object
	msql_data_seek
	msql_fetch_field
	msql_field_seek
	msql_free_result
	msql_fieldname
	msql_fieldtable
	msql_fieldlen
	msql_fieldtype
	msql_fieldflags
	msql_regcase
	/* for downwards compatability */
	msql_selectdb
	msql_createdb
	msql_dropdb
	msql_freeresult
	msql_numfields
	msql_numrows
	msql_listdbs
	msql_listtables
	msql_listfields
	msql_dbname
	msql_tablename

ldap_functions
	ldap_connect
	ldap_bind
	ldap_unbind
	ldap_read
	ldap_list
	ldap_search
	ldap_free_result
	ldap_count_entries
	ldap_first_entry
	ldap_next_entry
	ldap_get_entries
	ldap_free_entry
	ldap_first_attribute
	ldap_next_attribute
	ldap_get_attributes
	ldap_get_values
	ldap_get_dn
	ldap_dn2ufn
	ldap_add
	ldap_delete
	ldap_modify

gd_functions
	imagearc
	imagechar
	imagecharup
	imagecolorallocate
	imagecolorclosest
	imagecolorexact
	imagecolortransparent
	imagecopyresized
	imagecreate
	imagecreatefromgif
	imagedestroy
	imagefill
	imagefilledpolygon
	imagefilledrectangle
	imagefilltoborder
	imagegif
	imageinterlace
	imageline
	imagepolygon
	imagerectangle
	imagesetpixel
	imagestring
	imagestringup
	imagesx
	imagesy

filepro_functions
	filepro
	filepro_rowcount
	filepro_fieldname
	filepro_fieldtype
	filepro_fieldwidth
	filepro_fieldcount
	filepro_retrieve

dbm_functions
	dblist
	dbmopen
	dbmclose
	dbminsert
	dbmfetch
	dbmreplace
	dbmexists
	dbmdelete
	dbmfirstkey
	dbmnextkey

dbase_functions
	dbase_open
	dbase_create
	dbase_close
	dbase_numrecords
	dbase_numfields
	dbase_add_record
	dbase_get_record
	dbase_delete_record
	dbase_pack

calendar_functions
	jdtogregorian
	gregoriantojd
	jdtojulian
	juliantojd
	jdtojewish
	jewishtojd
	jdtofrench
	frenchtojd
	jddayofweek
	jdmonthname

adabas_functions
(int) ada_afetch($result_id, $rownumber, $result array)
(int) ada_autocommit($connection_id, $OnOff)
(void) ada_close($connection_id)
    ada_closeall
(int) ada_commit($connection_id)
(int) ada_connect($dsn, $user, $password)
(int) ada_exec($connection_id, $query_string)
(int) ada_fetchrow($result_id, $row?number)
    ada_fieldlen
(string) ada_fieldname($result_id, $field_number)
(string) ada_fieldtype($result_id, $field)
(int) ada_freeresult($result_id)
(int) ada_numfields($result_id)
(int) ada_numrows($result_id)
(string) ada_result($result_id, $field)
(int) ada_resultall($result_id, $format)
(int) ada_rollback($connection_id)
***(int) ada_fieldnum($result_id, $field_name) (this function is not in 	adabase.c

crypt_functions
	crypt

mysql_functions
	mysql_connect
	mysql_pconnect
	mysql_close
	mysql_select_db
	mysql_create_db
	mysql_drop_db
	mysql_query
	mysql
	mysql_list_dbs
	mysql_list_tables
	mysql_list_fields
	mysql_affected_rows
	mysql_insert_id
	mysql_result
	mysql_num_rows
	mysql_num_fields
	mysql_fetch_row
	mysql_fetch_array
	mysql_fetch_object
	mysql_data_seek
	mysql_fetch_lengths
	mysql_fetch_field
	mysql_field_seek
	mysql_free_result
	mysql_fieldname
	mysql_fieldtable
	mysql_fieldlen
	mysql_fieldtype
	mysql_fieldflags
	/* for downwards compatability */
	mysql_selectdb
	mysql_createdb
	mysql_dropdb
	mysql_freeresult
	mysql_numfields
	mysql_numrows
	mysql_listdbs
	mysql_listtables
	mysql_listfields
	mysql_dbname
	mysql_tablename

oracle_functions
	ora_close
	ora_commit
	ora_commitoff
	ora_commiton
	ora_error
	ora_errorcode
	ora_exec
	ora_fetch
	ora_getcolumn
	ora_logoff
	ora_logon
	ora_open
	ora_parse
	ora_rollback

pgsql_functions
	pg_connect
	pg_pconnect
	pg_close
	pg_dbname
	pg_errormessage
	pg_options
	pg_port
	pg_tty
	pg_host
	pg_exec
	pg_numrows
	pg_numfields
	pg_fieldname
	pg_fieldsize
	pg_fieldtype
	pg_fieldnum
	pg_result
	pg_fieldprtlen
	pg_getlastoid
	pg_freeresult
	pg_locreate
	pg_lounlink
	pg_loopen
	pg_loclose
	pg_loread
	pg_lowrite
	pg_loreadall

sybase_functions
	sybase_connect
	sybase_pconnect
	sybase_close
	sybase_select_db
	sybase_query
	sybase_free_result
	sybase_get_last_message
	sybase_num_rows
	sybase_num_fields
	sybase_fetch_row
	sybase_fetch_array
	sybase_fetch_object
	sybase_data_seek
	sybase_fetch_field
	sybase_field_seek
	sybase_result

sybase_old_functions
	sybsql_seek
	sybsql_exit
	sybsql_dbuse
	sybsql_query
	sybsql_isrow
	sybsql_result
	sybsql_connect
	sybsql_nextrow
	sybsql_numrows
	sybsql_getfield
	sybsql_numfields
	sybsql_fieldname
	sybsql_result_all
	sybsql_checkconnect