我正在尝试使用 DOMDocument 但遇到一些问题。我有一个像这样的字符串:
Some Content to keep
<span class="ice-cts-1 ice-del" data-changedata="" data-cid="5" data-time="1414514760583" data-userid="1" data-username="Site Administrator" undefined="Site Administrator">
This content should remain, but span around it should be stripped
</span>
Keep this content too
<span>
<span class="ice-cts-1 ice-ins" data-changedata="" data-cid="2" data-time="1414512278297" data-userid="1" data-username="Site Administrator" undefined="Site Administrator">
This whole node should be deleted
</span>
</span>
我想做的是,如果跨度有一个类似的类ice-del
保留内部内容但删除 span 标签。如果有ice-ins
,删除整个节点。
如果只是一个空跨度<span></span>
也将其删除。这是我的代码:
//this get the above mentioned string
$getVal = $array['body'][0][$a];
$dom = new DOMDocument;
$dom->loadHTML($getVal );
$xPath = new DOMXPath($dom);
$delNodes = $xPath->query('//span[@class="ice-cts-1 ice-del"]');
$insNodes = $xPath->query('//span[@class="ice-cts-1 ice-ins"]');
foreach($insNodes as $span){
//reject these changes, so remove whole node
$span->parentNode->removeChild($span);
}
foreach($delNodes as $span){
//accept these changes, so just strip out the tags but keep the content
}
$newString = $dom->saveHTML();
因此,我的代码可以删除整个跨度节点,但如何获取节点并去掉它的标签但保留其内容?
另外,我如何删除并清空跨度?我确信我可以使用正则表达式或替换来做到这一点,但我有点想使用 dom 来做到这一点。
thanks
不,我不会推荐正则表达式,我强烈建议使用这个漂亮的 HTML 解析器在您现在拥有的基础上进行构建。你可以使用->replaceChild
在这种情况下:
$dom = new DOMDocument;
$dom->loadHTML($getVal);
$xPath = new DOMXPath($dom);
$spans = $xPath->query('//span');
foreach ($spans as $span) {
$class = $xPath->evaluate('string(./@class)', $span);
if(strpos($class, 'ice-ins') !== false || $class == '') {
$span->parentNode->removeChild($span);
} elseif(strpos($class, 'ice-del') !== false) {
$span->parentNode->replaceChild(new DOMText($span->nodeValue), $span);
}
}
$newString = $dom->saveHTML();
本文内容由网友自发贡献,版权归原作者所有,本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容,请联系:hwhale#tublm.com(使用前将#替换为@)