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How to Run Multiple PHP Versions Simultaneously on RHEL 8 with Apache?

I am trying to run PHP 8.1, and PHP 8.2 simultaneously on a RHEL 8 server using Apache. Here are the steps I’ve taken:

Installed PHP Versions:
Used the remi repository to install PHP 8.1, and PHP 8.2.
Commands used: sudo dnf module install php:8.1
sudo dnf module install php:8.2

Configured Apache:
Created separate virtual host configurations in /etc/httpd/conf.d/ to use different PHP versions.

Switched CLI PHP Versions:
Used sudo alternatives –config php to switch between PHP versions on the command line.

Issues Encountered

  • Installation Conflicts: Faced conflicts between PHP versions during installation from the remi repository.
  • Apache Configuration: Apache is not correctly interpreting different PHP versions for separate virtual hosts.
  • CLI Version Switching: The update-alternatives tool changed the CLI version, but it didn’t affect Apache’s handling of PHP versions as expected.

What I Tried

  • Installed PHP 8.1 and PHP 8.2: Used remi repository on RHEL 8.
  • Configured Apache: Set different PHP versions for different virtual hosts.
  • Switched PHP Versions: Used update-alternatives to change CLI PHP version.

What I Expected

  • Run different PHP versions for different virtual hosts.
  • Seamless PHP version switching for CLI and Apache.

What Actually Happened

  • Installation conflicts between PHP versions.

  • Apache not handling different PHP versions correctly.

  • CLI version switching didn’t affect Apache.

  • How to resolve conflicts when installing multiple PHP versions from remi on RHEL 8?

  • Correct Apache configuration for multiple PHP versions?

  • Manage and switch CLI PHP versions without affecting Apache?

  • Best practices for running multiple PHP versions on RHEL 8?

Kindly share the detailed steps which anyone follow to achieve this task.

Tags:

2

Answers


  1. 0

    I actually saw this method of using .htaccess this morning.

    httpd.conf

    DirectoryIndex index.php
AddHandler application/x-httpd-php80 .php
<IfModule mod_negotiation.c>
Options -MultiViews
</IfModule>

    .htaccess

    <IfModule mod_php8.c>
    AddHandler application/x-httpd-php80 .php
    Action application/x-httpd-php80 /cgi-bin/php80-cgi
</IfModule>
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  2. 0

    "remi" repository provides Software Collections (SCL) designed for parallel installation of multiple versions

    For a proper repository configuration and usage, follow the Wizard instructions

    You can also read how I use SCL for my PHP workstation

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