CH22.P439...修改xml数据

<?phpheader("Content-Type:text/html;charset=utf-8");/*  第二种方法  注意encoding的编码和文件保存的格式相关*/$str = <<<XML<?xml version='1.0' encoding='utf-8'?><Object name='商品'>    <book>        <computerbook type='php入门应用'>PHP从入门到精通</computerbook>    </book></Object>XML;$xml = simplexml_load_string($str);echo $xml['name'].'<br/>';//没单引号notice错误;$xml->book->computerbook['type'] = iconv('utf-8','utf-8','php程序员必备');$xml->book->computerbook=iconv('utf-8','utf-8','php函数参考大全');echo $xml->book->computerbook['type'].'=>';echo $xml->book->computerbook;//没有computerbook标签,该操作照样添加;?>