Php 解析XML文件

Php 解析XML文件，仅供学习参考！示例代码如下：

<?php
	header("Content-type: text/html; charset=utf-8");
	if(!isset($_GET["_u"])){
		echo "<script>javascript:alert('请勿非法访问！');window.history.back();</script>";
		exit();
	}

	$url = $_GET["_u"];
?>
<table width="100%" height="auto" cellpadding="0" cellspacing="0">
	<tbody>
	<?php
		//创建Document对象
		$doc = new DOMDocument();
		$doc -> load($url);

		$news = $doc -> getElementsByTagName("item");

		$title = "";$date = "";$detail = "";
		$len = ($news -> length);$model = null;
		
		if($len > 0){
			//遍历子节点
			for ($i=0; $i < $len; $i++) {
				$model = $news -> item($i);
				$title = $model -> getElementsByTagName("title") -> item(0) -> nodeValue;
				$date = $model -> getElementsByTagName("pubDate") -> item(0) -> nodeValue;
				$detail = $model -> getElementsByTagName("content") -> item(0) -> nodeValue;
			?>
				<tr>
					<th>
						<a href="javascript:void(0);"><?php  echo($title) ?></a>
						<a href="javascript:void(0);"><img alt="" src="/images/Plus.jpg" title="展开" /></a>
					</th>
					<th>
				        <?php echo($date) ?>
					</th>
				</tr>
				<tr style="display:none;">
					<th colspan="2">
				       <?php echo($detail) ?>
					</th>
				</tr>
			<?php
			  }
			}else{
					//没有内容
			?>
				<tr>
					<th colspan="2">
					    <b><font color="red">暂时没有内容显示！</font></b>
					</th>
				</tr>
			<?php
			}
			?>
	</tbody>
</table>

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