original_string: public static function getInstance(array $userSettings = array())
      {
          if (!self::$instance) {
              self::$instance = new self($userSettings);
          }
          
          return self::$instance;
      }
code: public static function getInstance(array $userSettings = array())
      {
          if (!self::$instance) {
              self::$instance = new self($userSettings);
          }
          
          return self::$instance;
      }
code_tokens: public static function getInstance ( array $ userSettings = array ( ) ) { if ( ! self :: $ instance ) { self :: $ instance = new self ( $ userSettings ) ; } return self :: $ instance ; }
docstring: Get instance of MVC
  
  @param array $userSettings
  @return MVC
docstring_tokens: Get instance of MVC