WsdlToPhp\PackageGenerator\ConfigurationReader\PhpReservedKeyword::instance PHP Method

    public static function instance($filename = null)
    {
        return parent::instance(empty($filename) ? self::getDefaultConfigurationPath() : $filename);
    }

 /**
  * Returns a usable keyword for a original keyword
  * @uses PhpReservedKeyword::instance()
  * @uses PhpReservedKeyword::is()
  * @param string $keyword the keyword
  * @param string $context the context
  * @return string
  */
 public static function replacePhpReservedKeyword($keyword, $context = null)
 {
     if (PhpReservedKeyword::instance()->is($keyword)) {
         if ($context !== null) {
             $keywordKey = $keyword . '_' . $context;
             if (!array_key_exists($keywordKey, self::$replacedPhpReservedKeywords)) {
                 self::$replacedPhpReservedKeywords[$keywordKey] = 0;
             } else {
                 self::$replacedPhpReservedKeywords[$keywordKey]++;
             }
             return '_' . $keyword . (self::$replacedPhpReservedKeywords[$keywordKey] ? '_' . self::$replacedPhpReservedKeywords[$keywordKey] : '');
         } else {
             return '_' . $keyword;
         }
     } else {
         return $keyword;
     }
 }