Optional Technical Requirements
From Joomla! Documentation
Sub-requirements for Joomla! 5.x[edit]
This page lists out optional technical requirements which aren't required to actually install and run Joomla! but are required for some dependencies running different internal APIs.
Application | |
JApplicationDaemon | Requires PHP's ext/pcntl and ext/posix |
Archive | |
BZ2 | Requires PHP's ext/bz2 |
GZip | Requires PHP's ext/zlib |
Zip | Requires PHP's ext/zip or ext/zlib |
Cache | |
APC | Requires PHP's ext/apc on PHP 5.3 or 5.4, ext/apcu on PHP 5.5 or 5.6, unsupported on PHP 7.x (Note: THIS NEED TO BE CHECKED) |
APCu | Requires PHP's ext/apcu on PHP 5.3+ |
CacheLite | Requires the PEAR Cache_Lite package (tested on 1.7.16, will work with 1.8) |
Memcache | Requires PHP's ext/memcache and a Memcache server (Note: The Memcache extension is not compatible with PHP 7.x) |
Memcached | Requires PHP's ext/memcached and a Memcached server |
Redis | Requires PHP's ext/redis and a Redis server |
Wincache | Requires PHP's ext/wincache (Windows only) |
XCache | Requires PHP's ext/xcache |
Client adapters | |
LDAP | Requires PHP's ext/ldap |
HTTP/Curl | Requires PHP's ext/curl |
HTTP/Socket | Requires PHP's fsockopen() function be enabled |
HTTP/Stream | Requires PHP's fopen() function and allow_url_fopen enabled |
Cryptography | |
JCrypt | Requires PHP's ext/mcrypt for all ciphers except the SodiumCipher which requires ext/sodium |
JKeychain | Requires PHP's ext/openssl |
Database | |
Microsoft SQL Azure | Requires PHP's ext/sqlsrv (the PHP 5.x extension only supports Windows, a Linux compatible version of the extension is available for PHP 7.x) |
Microsoft SQL Server | Requires PHP's ext/sqlsrv (the PHP 5.x extension only supports Windows, a Linux compatible version of the extension is available for PHP 7.x) |
MySQL | Requires PHP's ext/mysql (unsupported on PHP 7.x) |
MySQLi | Requires PHP's ext/mysqli |
Oracle | Requires PHP's ext/pdo with Oracle support (available for 3PD only; the CMS won't run with it) |
PDO MySQL | Requires PHP's ext/pdo with MySQL support |
PostgreSQL | Requires PHP's ext/pgsql |
SQLite | Requires PHP's ext/pdo with SQLite support (available for 3PD only; the CMS won't run with it) |
Image | |
Requires PHP's ext/gd | |
Session | |
APC | Requires PHP's ext/apc on PHP 5.3 or 5.4, ext/apcu on PHP 5.5 or 5.6, unsupported on PHP 7.x (Note: THIS NEEDS TO BE CHECKED) |
Memcache | Requires PHP's ext/memcache and a Memcache server (Note: The Memcache extension is not compatible with PHP 7.x) |
Memcached | Requires PHP's ext/memcached and a Memcached server |
Wincache | Requires PHP's ext/wincache (Windows only) |
XCache | Requires PHP's ext/xcache |
OPTIONAL IMPROVEMENTS | |
String | |
Enable PHP's ext/mbstring for the phputf8 library to use native functions |