J4.x

Optional Technical Requirements

From Joomla! Documentation

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Optional Requirements for Joomla! 4.x[edit]

This page lists optional technical requirements which are not required to install and run Joomla! but are required for some 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
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