amqp AMQP
apcu APCu
bcmath Bcmath
bz2 bzip2
curl CURL
enchant Enchant
gd GD
gmp GMP
igbinary Igbinary
imagick Imagick
imap IMAP
interbase Interbase
intl Internationalisation
json JSON
ldap LDAP
mcrypt libmcrypt
mbstring MBSTRING
memcache Memcache
memcached libmemcached
msgpack MessagePack
mysql MySQL
odbc ODBC
opcache OpCache
pgsql PostgreSQL
pspell pspell
redis Redis
readline readline
snmp SNMP
soap SOAP
sqlite3 SQLite3
ssh2 SSH2
sybase Sybase
tidy tidy
xml DOM, SimpleXML, WDDX, XML, and XSL
zip Zip