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 How to add a custom PHP version in Plesk for Linux?

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Alexander Tsmokalyuk
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Plesk for Linux kb: how-to ABT: Group A

Applicable to:

  • Plesk for Linux

Question

How to add a custom PHP version in Plesk for Linux?

Answer

Warning: All the instructions below are to be performed at own will and risk. These steps are provided for demonstration purposes only and not supported by Plesk. Depending on the operating system and the desired configuration, installation steps might differ significantly. When installing an additional PHP version on the server, read the official PHP documentation on installation. It's recommended to perform the installation on a test environment before modifying the production environment.

On Linux systems, you can install any PHP version you need and then make it available in Plesk by registering it with the plesk bin php_handler command-line utility.

Click on a section to expand

1- Install the custom PHP version

Install the desired PHP version on the server. For installation guidelines, refer to the official PHP documentation available at http://php.net/manual/en/install.php. In brief, the installation includes the following main steps.

  1. Connect to the server via SSH

  2. Install C compiler and XML library with the following commands:

    • RHEL based OSes:

      # yum install gcc -y && yum install libxml2-devel -y

    • Debian based OSes:

      # apt-get install build-essential && apt-get install libxml2-dev

  3. Download the PHP source you need from the official website (http://php.net/downloads.php or http://php.net/releases/) to the server and unpack it:

    # gunzip php-NN.tar.gz

    # tar -xf php-NN.tar

  4. Configure and build PHP:

    Note: In this step, it's possible to customize PHP with various options, such as specifying which extensions will be enabled in the compiled PHP version. Run ./configure --help to see a list of the available options.

    # cd ../php-NN

    # ./configure --prefix /usr/local/phpNN

    # make

    # make install

  5. Set up the php.ini:

    Note: Edit the .ini file to set the desired PHP options. If it's required to configure the  php.ini file in another location, run the configure utility with the option --with-config-file-path=/some/path in the previous step.

    # cp php.ini-development /usr/local/lib/php.ini

2- Register the custom PHP version in Plesk

  1. Connect to the server via SSH

  2. Register the new PHP version in Plesk:

    Note: More information can be found with the following command: plesk bin php_handler --help

    2.1- CGI/FastCGI example:

    # plesk bin php_handler --add -displayname <NN> -path <path to php-cgi binary> -phpini <path to php.ini> -type <php handler> -id <NN-custom> -clipath <path to php cli>

    Where:

        • -displayname <NN>: It's the PHP version name that will be shown in the Plesk UI. It's recommended to include the version number in the displayname, for example: 7.4.5-custom
        • -path <path to php-cgi binary>: It's the location of the PHP CGI binary file. The location is shown in the output shown by the command make install in the line Installing PHP CGI binary. For example, if the output contains the line Installing PHP CGI binary: /usr/local/bin/, the location to specify is /usr/local/bin/php-cgi. Learn more at: http://php.net/manual/en/install.unix.commandline.php
        • -clipath <path to php cli>: It's the location of the PHP CLI binary file. The location is shown in the output of the command make install in the line Installing PHP CLI binary. For example, if the output contains the line Installing PHP CLI binary: /usr/local/bin/, the location to specify is /usr/local/bin/php. Learn more at: http://php.net/manual/en/install.unix.commandline.php
        • -phpini <path to php.ini>: It's the location of the php.ini file, for example: /usr/local/lib/php.ini 
        • -type <php handler>: It's the type of the PHP handler associated with the installed PHP version. This example is for cgi , fpm or fastcgi PHP handlers and the mod_php is not supported
        • (Optional) -id <NN-custom>: It's the identifier that will be used for referring to this PHP version when adjusting or removing it via plesk bin php_handlers utility

    2.2- FPM example:

    # plesk bin php_handler --add -displayname <NN> -path <path to php-fpm binary> -phpini <path to php.ini> -type fpm -id <NN-custom> -clipath <path to php cli> -service <PHP FPM service name> -poold <path to php-fpm.d pool folder>

    Where:

        • -path <path to php-fpm binary>: It's the location of the PHP FPM binary file. The location is shown in the output shown by the command make install in the line Installing PHP-FPM binary
        • -service <PHP FPM service name>: It's the PHP FPM service name
        • -poold <path to php-fpm.d pool folder>: It's the location containing the pool configuration files
3- Assign the custom PHP version (Plesk GUI)

Once the custom PHP versions are registered after applying the steps above, the custom PHP versions will be available:

  1. Log in to Plesk GUI

  2. Assign the custom PHP version:

    • Service Plan level: Go to Service Plans > Service Plan Name > PHP Settings

    • Domain level: Go to Domains > example.com > PHP Settings

PHP_versions

Additional Information

Official Plesk documentation: Adding Custom PHP Versions (Linux)

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