How to Install PHP 8.1 on AlmaLinux 9

To install PHP 8.1 on AlmaLinux 9, follow these steps:

Step 1 : Update System Packages

Before installing PHP, update your system packages:

sudo dnf update -y

Step 2 : Import PHP Remi Repository

The Remi repository provides the latest PHP versions for RHEL-based distributions. Install it with:

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

Step 3 : Check Available PHP Modules

Verify the available PHP modules before enabling PHP 8.1:

sudo dnf module list php -y

Step 4 : Enable PHP 8.1 from Remi Repository

Enable PHP 8.1 by resetting the default PHP module and setting it to Remi's PHP 8.1:

sudo dnf module enable php:remi-8.1 -y

Step 5 : Install PHP Core Packages

Now, install PHP 8.1 along with its FPM and CLI components:

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

Step 6 : Install Commonly Used PHP Extensions

To enhance PHP functionality, install these commonly used extensions:

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

- php-mysqlnd – Enables MySQL database support

- php-curl – Allows PHP to interact with URLs and APIs

- php-gd – Provides image processing functions

- php-mcrypt – Adds encryption support

- php-json – Enables JSON data handling

- php-pear – Manages PHP package dependencies

- php-common – Includes shared PHP files

- php-xml – Adds support for XML parsing

- php-zip – Provides ZIP file handling

- php-devel – Includes development tools for PHP

- php-xsl – Enables XSLT transformations

- php-soap – Supports SOAP-based web services

- php-bcmath – Adds support for arbitrary precision math

- php-mbstring – Handles multibyte string encoding

- php-gettext – Enables internationalization support

- php-imagick – Provides image manipulation functions

Step 7 : Verify Installation

Check the installed PHP version to confirm the setup:

php81 -v

Congratulations! You have successfully installed PHP 8.1 on AlmaLinux 9.