Las extensiones (librerías) disponibles en PHP 5.6 en servidores con selector de versiones son:
| apcu | imagick | mysqli | posix | sysvsem | |||||
| apm | imap | mysqlnd | propro | sysvshm | |||||
| bcmath | inotify | ncurses | pspell | tidy | |||||
| big_int | interbase | nd_mysql | quickhash | timezonedb | |||||
| bitset | intl | nd_mysqli | radius | trader | |||||
| bz2_filter | ioncube_loader | nd_pdo_mysql | raphf | translit | |||||
| dba | ioncube_loader_4 | oauth | recode | uploadprogress | |||||
| dbx | jsmin | oci8 | redis | uri_template | |||||
| dom | json | odbc | rsync | uuid | |||||
| doublemetaphone | ldap | opcache | snmp | wddx | |||||
| eio | libevent | soap | weakref | ||||||
| enchant | lzf | pdo | sockets | xdebug | |||||
| fileinfo | mailparse | pdo_dblib | sourceguardian | xmlreader | |||||
| gd | mbstring | pdo_firebird | spl_types | xmlrpc | |||||
| gender | mcrypt | pdo_mysql | ssh2 | xmlwriter | |||||
| geoip | memcache | pdo_odbc | stats | xrange | |||||
| gnupg | memcached | pdo_pgsql | stem | xsl | |||||
| haru | mongo | pdo_sqlite | stomp | yaz | |||||
| htscanner | msgpack | pgsql | suhosin | zend_guard_loader | |||||
| http | mssql | phalcon | sybase_ct | zip | |||||
| igbinary | mysql | phar | sysvmsg |
