如何将 HTML 插入到 PHP DOMNode? [英] How to insert HTML to PHP DOMNode?

问题描述

有什么方法可以在不编码内容的情况下将 HTML 模板插入到现有的 DOMNode 中吗?

Is there any way I can insert an HTML template to existing DOMNode without content being encoded?

我尝试这样做:

$dom->createElement('div', '<h1>Hello world</h1>');
$dom->createTextNode('<h1>Hello world</h1>');

输出几乎相同，唯一的区别是第一个代码将它包装在一个 div 中.我试图从字符串加载HTML，但我不知道如何将它的正文内容附加到另一个 DOMDocument.

The output is pretty much the same, with only difference that first code would wrap it in a div. I have tried to loadHTML from string but I have no idea how can I append it's body content to another DOMDocument.

在 javascript 中，这个过程似乎非常简单明了.

In javascript, this process seems to be quite simple and obvious.

推荐答案

它与另一个 DOMDocument 一起用于解析 HTML 代码.但是您需要导入节点到主文档中，然后才能在其中使用它们:

It works with another DOMDocument for parsing the HTML code. But you need to import the nodes into the main document before you can use them in it:

$newDiv = $dom->createElement('div');
$tmpDoc = new DOMDocument();
$tmpDoc->loadHTML($str);
foreach ($tmpDoc->getElementsByTagName('body')->item(0)->childNodes as $node) {
    $node = $dom->importNode($node, true);
    $newDiv->appendChild($node);
}

作为一个方便的功能:

function appendHTML(DOMNode $parent, $source) {
    $tmpDoc = new DOMDocument();
    $tmpDoc->loadHTML($source);
    foreach ($tmpDoc->getElementsByTagName('body')->item(0)->childNodes as $node) {
        $node = $parent->ownerDocument->importNode($node, true);
        $parent->appendChild($node);
    }
}

然后你可以简单地这样做:

Then you can simply do this:

$elem = $dom->createElement('div');
appendHTML($elem, '<h1>Hello world</h1>');

这篇关于如何将 HTML 插入到 PHP DOMNode?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！