protected function _file_get_contents(
        $file,
        $use_include_path = false,
        $context = null,
        $offset = -1,
        $maxlen = self::PHP_STREAM_COPY_ALL
    ) {
        if ($this->isVirtual) {
            $file = $this->_prepareForVfs($file);
        }

        return file_get_contents($file, $use_include_path, $context, $offset, $maxlen);
    }