Install PECL
From The Maceys in California
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.
pecl install APCu
sed -i 's/;extension=xsl/a extension=apcu.so'
systemctl restart php8.3-fpm
Install Composer
Composer is used to install Mediawiki extensions and PHP modules needed by the extensions.
sudo apt install composer
composer --version
