Setting up PHP Selector on Plesk with mod_lsapi allows you to offer multiple PHP versions to your users. Here's a step-by-step guide to help you do this:

Note: Before you proceed, make sure you have mod_lsapi installed and enabled on your Plesk server.

1. Access Plesk Control Panel:

   Log in to your Plesk control panel.

2. Enable PHP Selector:

   • Navigate to "Tools & Settings" in the Plesk interface.
   • Under the "Security" section, click on "ModSecurity".
   • In the ModSecurity settings, find the "Switch off security rules management" option and make sure it's set to "Off".
   • Click on "Apply" to save the changes.

3. Install PHP Versions:

   • Go back to the main Plesk dashboard.
   • Click on "Tools & Settings" again.
   • Under "Updates and Upgrades", navigate to "Add/Remove Components".
   • Scroll down and select the PHP versions you want to install. Make sure to select both the PHP version and the corresponding PHP handler.
   • Click "Continue" to proceed with the installation.

4. Set Default PHP Version:

   • Once the PHP versions are installed, navigate to "Domains" in Plesk.
   • Find the domain you want to configure and click on it.
   • In the domain settings, go to the "PHP Settings" section.
   • Choose the default PHP version from the dropdown menu and select the desired PHP handler (mod_lsapi).
   • Click "OK" to save the changes.

5. Enable PHP Selector for Domains:

   • In the domain settings, scroll down to the "Web scripting and statistics" section.
   • Find the option "PHP support (PHP Selector)" and select "Run PHP as FastCGI application served by Apache".
   • Click "OK" to save the changes.

6. Configure PHP Selector (If Necessary):

   • If you need to customize PHP settings for specific domains or users, you can do so in the "PHP Selector" section of the domain settings.

7. Verify PHP Selector Configuration:

   • Create a simple PHP file with the following content:

     php