PHP Dom删除元素留下内容 [英] PHP Dom Remove element leave contents
本文介绍了PHP Dom删除元素留下内容的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在尝试根据其ID标签删除某些链接,但留下链接的内容。例如,我想转一下
I am trying to remove certain links depending on their ID tag, but leave the content of the link. For example I want to turn
Some text goes <a href="http://www.domain.tdl/" id="remove">here</a>
至
Some text goes here
我已经尝试使用下面。
$dom = new DOMDocument;
$dom->loadHtml(mb_convert_encoding($html, 'HTML-ENTITIES', "UTF-8"));
$xp = new DOMXPath($dom);
foreach($xp->query('//a[contains(@id="remove")]') as $oldNode) {
$revised = strip_tags($oldNode);
}
$revised = mb_substr($dom->saveXML($xp->query('//body')->item(0)), 6, -7, "UTF-8");
echo $revised;
大致取自这里,但它只是吐出相同的内容 $ html
。
roughly taken from here but it just spits back the same content of $html
.
任何想法如何实现这一点?
Any idea's on how I would achieve this?
推荐答案
这是我的功能:
function DOMRemove(DOMNode $from) {
$sibling = $from->firstChild;
do {
$next = $sibling->nextSibling;
$from->parentNode->insertBefore($sibling, $from);
} while ($sibling = $next);
$from->parentNode->removeChild($from);
}
所以这样:
$dom->loadHTML('Hello <a href="foo"><span>World</span></a>');
$a = $dom->getElementsByTagName('a')->item(0); // get first
DOMRemove($a);
应该给你:
Hello <span>World</span>
要获取具有特定ID的节点,请使用XPath:
To get nodes with a specific ID, use XPath:
$xpath = new DOMXpath($dom);
$node = $xpath->query('//a[@id="something"]')->item(0); // get first
DOMRemove($node);
这篇关于PHP Dom删除元素留下内容的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文