How to Install PHP 8.4 on Fedora 40 – Step-by-step

Installing PHP

2. 2. Enabling Remi Repository

   Enable Remi Collet Repo for Fedora GNU/Linux

   Adding Remi RPM Repo for Fedora

   Remi Repository for Fedora

3. 3. Installing PHP 8.4

   Now to Install PHP 8.4 on Fedora
   First, enable the Module Stream with:

   sudo dnf module reset php

   And then to Install it:

   sudo dnf module install php:remi-8.4

   This Setup includes also the most useful Extensions and Tools.
   Then Test your new Php with:

   php -v

4. 4. Installing PHP 8.4 Extensions

   Again to Search PHP 8.4 Extensions.

   So you can Search for the available PHP 8 Extensions running:

   dnf search php84-

   And possibily refine the Result using a grep Pipe

   dnf search php- | grep [KEYWORD]

   Or:

   dnf search php84- | grep extension

   Next to Install them play:

   sudo dnf install php84-php-pecl-[MYEXT]

   Or also for instance, on a Multiple Setup:

   sudo dnf install php84-php-pecl-{mcrypt,mysql,imagick,memcached}

   Simply Hit “y” and Enter when the Command Stop: