如何保持< ></祝辞;& lt; / p>XPATH - How to keep <p><img ... /></p> with XPATH?

How to keep <p><img ... /></p> with XPATH?

本文关键字：XPATH lt 祝辞何保持 | 更新日期: 2023-09-27

我使用XPATH来删除不整洁的HTML标签，

$nodeList = $xpath->query("//*[normalize-space(.)='' and not(self::br)]");
    foreach($nodeList as $node) 
    {
        $node->parentNode->removeChild($node);
    }

将删除像这样可怕的输入，

<p><em><br /></em></p>
<p><span style="text-decoration: underline;"><em><br /></em></span></p>

但是它也去掉了我想要保留的img tag，

<p><img title="picture summit" src="images/32913430_127001_e.jpg" alt="picture summit" width="590" height="366" /></p>

如何使用XPATH保持img tag输入?

使用:

//p[not(descendant::*[self::img or self::br]) and normalize-space()='']

也许您可以使用如下所示的XPath 1.0表达式来删除不需要的段落:

//p[count(text())=0 and count(img)=0]