PHP简单的HTML Dom选择内部文本而不是子内部文本

发布时间：2020-12-13 16:53:30 所属栏目：PHP教程来源：网络整理

导读：我正在使用 PHP简单的HTML DOM类来解析html. 我想选择id =“content”内部文本的div,但是当我调用$selecrot- plaintext时,它也会返回sub div文本示例HTML div id="content"Hello World.div id="sub-content1"Text I don't want to select./divdiv id="sub-c

我正在使用 PHP简单的HTML DOM类来解析html.
我想选择id =“content”内部文本的div,但是当我调用$selecrot-> plaintext时,它也会返回sub div文本

示例HTML

<div id="content">
Hello World.
<div id="sub-content1">
Text I don't want to select.
</div>
<div id="sub-content2">
Text I don't want to select
</div>
</div>

示例代码

//suppose $html contains above html
$selector = $html->find("div#content",0); 
echo $selector->innertext; 
//it outputs "Hello World. Text I don't want to select. Text I don't want to select"
//but

我只想要“Hello World”

解决方法

include_once('simple_html_dom.php');
$html = new simple_html_dom();

$text = '<div id="content">
Hello World.
<div id="sub-content1">
Text I don't want to select.
</div>
<div id="sub-content2">
Text I don't want to select
</div>
</div>';

$html->load($text);
$selector =$html->find("div#content",0)->find("*");
foreach($selector  as $node){
$node->outertext = '';
}
$html->load($html->save()); 
$selector =$html->find("div#content",0);
echo $selector->innertext;

（编辑：李大同）

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