How to Install PHP 8.1 on Rocky Linux 9

To install PHP 8.1 on Rocky Linux 9, follow the steps below.

Step 1 : Ensure your system is up to date by running the following command:

sudo dnf update

Step 2 : Install the Remi repository by executing the following command:

sudo dnf install https://rpms.remirepo.net/enterprise/remi-release-9.rpm

Step 3 : Verify available PHP modules with the command:

sudo dnf module list php

Step 4 : Enable the Remi repository with the command:

sudo dnf module enable php:remi-8.1

Step 5 : Install PHP 8.1 core components:

sudo dnf install php81 php81-php-fpm php81-php-cli

Step 6 : Install commonly used PHP extensions:

sudo dnf install php81-php-{mysqlnd,curl,gd,mcrypt,json,pear,common,xml,zip,devel,xsl,soap,bcmath,mbstring,gettext,imagick}

Explanation of Extensions:

- mysqlnd: MySQL Native Driver

- curl: Client URL Library

- gd: Graphics Draw

- mcrypt: Deprecated cryptography functions

- json: JavaScript Object Notation

- pear: PHP Extension and Application Repository

- common: Common functionality

- xml: Extensible Markup Language

- zip: Zip archive handling

- devel: Development tools

- xsl: Extensible Stylesheet Language

- soap: Simple Object Access Protocol

- bcmath: Binary Calculator

- mbstring: Multibyte String

- gettext: Gettext functions

- imagick: ImageMagick PHP extension

Step 7 : Check the installed PHP version with the following command:

php81 -v

Congratulations! You have successfully installed PHP 8.1 on Rocky Linux 9.