View source for Install PECL

===Pre-requisites===
There are usually one or two of them around. This procedure requires a full lamp installation.

MediaWiki has an optional requirement for a module that is part of the PECL library. PECL must be installed in order to use it. 

[[Install PECL]]
<syntaxhighlight lang=shell>
pecl install APCu
sed -i 's/;extension=xsl/a extension=apcu.so'
systemctl restart php8.3-fpm
</syntaxhighlight>
====Install Composer====
Composer is used to install Mediawiki extensions and PHP modules needed by the extensions.
<syntaxhighlight lang=shell lines>
sudo apt install composer
composer --version
</syntaxhighlight>