以下並非真正的擴充功能,它們屬於 PHP 核心的一部分,不能通過編譯選項將其排除。
Arrays
Classes/Objects
Date/Time
Directories
Error Handling
Program execution
Filesystem
Filter
Function Handling
Hash
PHP Options/Info
Mail
Math
Misc.
Network
Output Control
Password Hashing
Phar
Reflection
POSIX Regex
Sessions
SPL
Streams
Strings
Tokenizer
URLs
Variable handling
以下擴展庫包含在 PHP 發行套件中。
Apache
BC Math
Calendar
COM
Ctype
DBA
Exif
Fileinfo
FTP
iconv
GD
intl
JSON
Multibyte String
NSAPI
PCNTL
PCRE
PDO
POSIX
Semaphore
Shared Memory
Sockets
SQLite3
XML-RPC
Zlib
要編譯以下擴充功能,需要外部的函式庫。
Bzip2
cURL
dBase
DOM
Enchant
FrontBase
Gettext
GMP
Firebird/InterBase
Informix
IMAP
LDAP
libxml
Mcrypt
Mhash
mSQL
Mssql
Mysql
Mysqli
Mysqlnd
OCI8
OpenSSL
MS SQL Server (PDO)
Firebird (PDO)
MySQL (PDO)
Oracle (PDO)
ODBC and DB2 (PDO)
PostgreSQL (PDO)
SQLite (PDO)
PostgreSQL
Pspell
Readline
Recode
SimpleXML
SNMP
SOAP
Sybase
Tidy
ODBC
WDDX
XML Parser
XMLReader
XMLWriter
XSL
Zip
以下擴充功能來自 » PECL。還有更多的 PECL 外部擴充功能,但在 PHP 手冊中尚未記載。
APC
APD
BBCode
bcompiler
Cairo
chdb
Classkit
Crack
CUBRID
Cyrus
DB++
dbx
Direct IO
Eio
Ev
Event
Expect
FAM
FDF
filePro
FriBiDi
Gearman
Gender
GeoIP
Gmagick
GnuPG
Gupnp
haru
htscanner
HTTP
Hyperwave API
IBM DB2
ID3
IIS
ImageMagick
inclued
Ingres
Inotify
Judy
KADM5
KTaglib
Lapack
Libevent
Lua
LZF
Mailparse
MaxDB
MCVE
Memcache
Memcached
Memtrack
Mimetype
Ming
mnoGoSearch
Mongo
mqseries
Msession
mysqlnd_memcache
mysqlnd_ms
mysqlnd_mux
mysqlnd_qc
mysqlnd_uh
Ncurses
Gopher
Newt
YP/NIS
OAuth
oggvorbis
OpenAL
Paradox
Parsekit
PDF
4D (PDO)
CUBRID (PDO)
IBM (PDO)
Informix (PDO)
Proctitle
PS
pthreads
Quickhash
Radius
Rar
RPM Reader
RRD
runkit
SAM
SCA
scream
SDO
SDO DAS XML
SDO-DAS-Relational
Session PgSQL
Solr
Sphinx
SPL Types
SPPLUS
SQLite
SQLSRV
ssdeep
SSH2
Statistics
Stomp
SVM
SVN
Swish
Taint
TCP
tokyo_tyrant
Trader
V8js
Varnish
vpopmail
Weakref
win32ps
win32service
WinCache
xattr
xdiff
Xhprof
Yaf
Yaml
YAZ