original_string: protected static function isQuirkMode()
      {
          if (null === self::$quirkMode) {
              self::$quirkMode = version_compare(PHP_VERSION, '5.5.4', '<') 
                      && version_compare(PHP_VERSION, '5.5.0', '>') 
                      || version_compare(PHP_VERSION, '5.4.20', '<');
          }
          return self::$quirkMode;
      }
code: protected static function isQuirkMode()
      {
          if (null === self::$quirkMode) {
              self::$quirkMode = version_compare(PHP_VERSION, '5.5.4', '<') 
                      && version_compare(PHP_VERSION, '5.5.0', '>') 
                      || version_compare(PHP_VERSION, '5.4.20', '<');
          }
          return self::$quirkMode;
      }
code_tokens: protected static function isQuirkMode ( ) { if ( null === self :: $ quirkMode ) { self :: $ quirkMode = version_compare ( PHP_VERSION , '5.5.4' , '<' ) && version_compare ( PHP_VERSION , '5.5.0' , '>' ) || version_compare ( PHP_VERSION , '5.4.20' , '<' ) ; } return self :: $ quirkMode ; }
docstring: Test if PHP version has quirks
  @return boolean
docstring_tokens: Test if PHP version has quirks