code: public static function load(string $dir): void
      {
          self::initialize();
  
          /* Make Directory */
          $commandDir = $_SERVER['DOCUMENT_ROOT'] . $dir;
  
          /* Get All Files In Directory */
          $files = scandir($commandDir);
  
          /* Require Files */
          foreach ($files as $file) {
              if ($file == '.' || $file == '..') {
                  continue;
              }
  
              require_once $_SERVER['DOCUMENT_ROOT'] . $dir . '/' . $file;
          }
      }
docs: Load all command classes
  
  @param string $dir
  @return void