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PHP code example using xpath to parse html

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Release: 2023-04-05 08:08:01
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This article brings you code examples about using PHP to parse HTML using xpath. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

Instance 1

$xml = simplexml_load_file('https://forums.eveonline.com'); 

$names = $xml->xpath("html/body/p/p/form/p/p/p/p/p[*]/p/p/table//tr/td[@class='topicViews']"); 
foreach($names as $name) 
{ 
    echo $name . "<br/>"; 
}
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Instance 2

$url = &#39;http://www.baidu.com&#39;;
$ch = curl_init();
curl_setopt($ch, CURLOPT_FILE, fopen(&#39;php://stdout&#39;, &#39;w&#39;));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_URL, $url);
$html = curl_exec($ch); 
curl_close($ch);

// create document object model
$dom = new DOMDocument();
// load html into document object model
@$dom->loadHTML($html);
// create domxpath instance
$xPath = new DOMXPath($dom);
// get all elements with a particular id and then loop through and print the href attribute
$elements = $xPath->query(&#39;//*[@id="lg"]/img/@src&#39;);
foreach ($elements as $e) {
  echo ($e->nodeValue);
}
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source:csdn.net
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