Check Installed PHP Modules

How to check what PHP modules are installed using the PHP command line utility.

Check for Installed PHP Modules

1. SSH into the server
2. Run the following command on the server php -m
   1. The output will be all PHP Modules that are installed
      EXAMPLE:

      [~]# php -m 
      [PHP Modules] 
      bcmath 
      calendar 
      Core 
      ctype 
      curl 
      date 
      dom 
      ereg 
      filter 
      ftp 
      gd

      TIP: This will show the modules installed on the server's default PHP version. The servers default PHP version can be found using php -v
      
   2. To search out a specific module usegrep to search out the module using
      

      php -m | grep [module_name]

      EXAMPLE:

      [~]# php -m | grep mbstring
      mbstring

   3. Check a specific PHP version's modules using the full path to PHP

      [/]# /opt/cpanel/ea-php81/root/usr/bin/php -m

      EXAMPLE: The following image shows that the module mcrypt is installed on PHP 7.4, but not PHP 8.1.