把模板文件读入内存，然后就可以通过include(‘mem://模板引擎路径’)

[php]代码库

class Ext_Wrapper {
    //存放模板文件内容的静态成员变量
    protected static $_fileArr = array();
    protected $_pos;
    protected $_curFile;
    public function stream_open($path, $mode, $options, &$opened_path) {
        $path = substr($path, 5, strlen($path) - 5);
        //判断模板文件是否已经在变量中，不存在就读取
        if (!isset(self::$_fileArr[$path])) {
            self::$_fileArr[$path] = file_get_contents($path);
        }
        $this->_curFile = $path;
        $this->_pos     = 0;
        return true;
    }
    public function stream_read($count) {
        //直接从静态变量中读数据
        $content = self::$_fileArr[$this->_curFile];
        $ret     = substr($content, $this->_pos, $count);
        $this->_pos += strlen($ret);
        return $ret;
    }
    //其他方法略
}
//注册wrapper
stream_register_wrapper('mem', 'Ext_Wrapper');