PHP的SimpleXML遍历所有子元素 PHP的SimpleXML遍历所有子元素<?phpheader('Content-Type:text/html;charset=utf-8'); //设置编码/ 创建XML格式的字符串 /$str = <<<XML<?xml version='1.0' encoding='gb2312'?> <computerbook>PHP从入门到精通</computerbook> <computerbook>PHP项目开发全程实录</computerbook>XML;/ /$xml = simplexml_load_string($str); //创建一个simplexml对象foreach($xml->children() as $layer_one){ //循环输出根节点 print_r($layer_one); //查看节点结构 echo ''; foreach($layer_one->children() as $layer_two){ //循环输出第二层根节点print_r($layer_two); //查看节点结构 echo '<br>';}}?>运行结果SimpleXMLElement Object ( [computerbook] => PHP从入门到精通 )SimpleXMLElement Object ( [0] => PHP从入门到精通 )SimpleXMLElement Object ( [computerbook] => PHP项目开发全程实录 )SimpleXMLElement Object ( [0] => PHP项目开发全程实录 )PHP的SimpleXML访问特定节点元素和属性<?phpheader('Content-Type:text/html;charset=utf-8'); //设置编码/ 创建XML格式的字符串 /$str = <<<XML<?xml version='1.0' encoding='gb2312'?> <computerbook>PHP从入门到精通</computerbook> <computerbook name='PHP项目开发全程实录'/>XML;/ /$xml = simplexml_load_string($str); //创建simpleXML对象echo $xml[name].''; //输出根元素的属性nameecho $xml->book[0]->computerbook.''; //输出子元素中computerbook的值echo $xml->book[1]->computerbook['name'].''; //输出computerbook的属性值?>运行结果商品PHP从入门到精通PHP项目开发全程实录