将dom元素的一部分转换为带有html标签的字符串 [英] convert part of dom element to string with html tags inside of them

问题描述

我尝试以下操作，但它只打印一个没有标签的文本。

  $ dom = new DOMDocument（）; 
 $ dom-> loadHTMLFile（'http://www.pixmania-pro.co.uk/gb/uk/08920684/art/packard-bell/easynote-tm89-gu-015uk.html'）; 
 $ xpath = new DOMXPath（$ dom）; 
 $ elements = xpath-> query（'// table'）; 
 
 foreach（$ elements as $ element）
 echo $ element-> nodeValue; 
  

我想要所有的标签和表格中的内容。有人能帮我吗。这将是一个绿色的帮助。

谢谢。

解决方案

1. 创建新的DomDocument实例


2. 要保存为HTML的克隆节点（包含所有子节点）


3. 导入克隆节点到新的DomDocument实例，并将其附加为一个小孩


4. 将新实例另存为html

所以这样的东西：

  foreach（$ elements as $ element）{
 $ newdoc = new DOMDocument（） ; 
 $ cloned = $ element-> cloneNode（TRUE）; 
 $ newdoc-> appendChild（$ newdoc-> importNode（$ cloned，TRUE））; 
 echo $ newdoc-> saveHTML（）; 
} 
  

im in need of converting part of DOM element to string with html tags inside of them.

i tried following but it prints just a text without tags in side.

$dom = new DOMDocument();
$dom->loadHTMLFile('http://www.pixmania-pro.co.uk/gb/uk/08920684/art/packard-bell/easynote-tm89-gu-015uk.html');
$xpath = new DOMXPath($dom);
$elements=xpath->query('//table');

foreach($elements as $element)
echo $element->nodeValue;

i want all the tags as it is and the content inside tables. can some one help me. it'll be a greate help.

thanks.

解决方案

1. Create new instance of DomDocument
2. Clone node (with all sub nodes) you wish to save as HTML
3. Import cloned node to new instance of DomDocument and append it as a child
4. Save new instance as html

So something like this:

foreach($elements as $element){
    $newdoc = new DOMDocument();
    $cloned = $element->cloneNode(TRUE);
    $newdoc->appendChild($newdoc->importNode($cloned,TRUE));
    echo $newdoc->saveHTML();
}

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