original_string: public static function isEnabled()
      {
          if (is_null(self::$isEnabled)) {
              self::$isEnabled = (bool) Config::getInstance()->Development['enabled'];
          }
  
          return self::$isEnabled;
      }
code: public static function isEnabled()
      {
          if (is_null(self::$isEnabled)) {
              self::$isEnabled = (bool) Config::getInstance()->Development['enabled'];
          }
  
          return self::$isEnabled;
      }
code_tokens: public static function isEnabled ( ) { if ( is_null ( self :: $ isEnabled ) ) { self :: $ isEnabled = ( bool ) Config :: getInstance ( ) -> Development [ 'enabled' ] ; } return self :: $ isEnabled ; }
docstring: Returns `true` if development mode is enabled and `false` otherwise.
  
  @return bool
docstring_tokens: Returns true if development mode is enabled and false otherwise .