PHP restart command

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    2024-01-11T18:05:20+00:00

    It's about how to restart PHP in a server environment.

    To restart PHP, the specific command depends on how PHP is being run on your server. PHP can be used in different ways: as a part of a stack like LAMP (Linux, Apache, MySQL, PHP), with a web server like Nginx, or as a standalone interpreter. Here are some common scenarios and the corresponding commands to restart PHP:

    1. PHP-FPM with Apache or Nginx: PHP-FPM (FastCGI Process Manager) is often used with web servers like Apache or Nginx. To restart PHP-FPM, you can use the service or systemctl command, depending on your system's init system.

      • For systems using systemctl (like recent versions of Ubuntu, CentOS):

        sudo systemctl restart php-fpm
        

        The service name might vary (like php7.4-fpm, php8.0-fpm etc.) depending on your PHP version.

      • For systems using the older service command:

        sudo service php-fpm restart
        

        Again, the service name might be version-specific.

    2. Apache with mod_php: If you're using Apache with mod_php, restarting Apache will restart PHP as well since PHP runs as a part of the Apache process.

      • Using systemctl:
        sudo systemctl restart apache2
        
      • Using service:
        sudo service apache2 restart
        

      The service name (apache2 in this case) might differ (like httpd on some systems).

    3. Nginx: Nginx itself doesn't process PHP, but if it's used with PHP-FPM, you would restart PHP-FPM as described above. Restarting Nginx alone won't restart PHP.

    4. Standalone PHP CLI: If you're running a PHP script from the command line, there's no "service" to restart. You simply stop the script and start it again.

    5. Using a Control Panel: If you're using a web hosting control panel (like cPanel, Plesk, DirectAdmin), they often provide an interface to restart services including PHP or PHP-FPM.

    Remember, the exact command might vary based on your server configuration, PHP version, and the operating system. Always ensure you have the correct service names and permissions to execute these commands. If you're unsure, consult with your hosting provider or system administrator.

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