Joomla User Manual
Manual Index
Optional Technical Requirements
This page lists optional technical requirements which are not required to install and run Joomla! but are required for some internal APIs. The list was created for Joomla 4.
| Item | Description |
|---|---|
| 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 |
|
Requires PHP's ext/fileinfo |
|
| 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 | |
| mbstring | Enable PHP's ext/mbstring for the phputf8 library to use native functions |