Hal\MutaTesting\StreamWrapper\FileMutator::stream_open PHP Method

    public function stream_open($path, $mode, $options, &$opened_path)
    {
        // avoid to load files listed in "self::$FILES_TO_MUTATE"
        //        if (in_array($path, self::$FILES_TO_MUTATE)) {
        //            $path = self::$FILES_TO_MUTATE[$path];
        //        }
        //        if (in_array(realpath($path), self::$FILES_TO_MUTATE)) {
        //            $path = self::$FILES_TO_MUTATE[$path];
        //        }
        if (isset(self::$FILES_TO_MUTATE[$path])) {
            $path = self::$FILES_TO_MUTATE[$path];
        }
        if (isset(self::$FILES_TO_MUTATE[realpath($path)])) {
            $path = self::$FILES_TO_MUTATE[realpath($path)];
        }
        stream_wrapper_restore('file');
        $this->hwnd = fopen($path, $mode, $options);
        stream_wrapper_unregister("file");
        stream_wrapper_register("file", get_class($this));
        return !empty($this->hwnd);
    }