3.15. XML-白红宇

3.15.1. DOM

3.15.1.1. loadHTML

$html =  curl($url);libxml_use_internal_errors(true);$dom = new DOMDocument();$dom->loadHTML($html);

3.15.1.2. XPath

3.15.1.2.1. evaluate


      loadHTMLFile('http://netkiller.github.io/'); $xpath = new DOMXPath($doc);$title = $xpath->evaluate('string(/html/head/title)'); echo "Document title is: " . $title . "\n";?>

3.15.1.2.2. query


      referer = $url;    	return $response;    }$url = "http://netkiller.github.io/journal/index.html";$html =  curl($url);libxml_use_internal_errors(true);$dom = new DOMDocument();$dom->loadHTML($html);$xpath = new DOMXPath($dom);$xml = $xpath->query('//div[@class="section"]');foreach ($xml as $result_object){	//echo $result_object->childNodes->item(0)->nodeValue;	print_r($result_object);}

3.15.1.3. saveHTML

下面的例子是从某个网站扣取一个HTML块的例子

$url = "http://netkiller.github.io/journal/index.html";$html =  curl($url);libxml_use_internal_errors(true);$dom = new DOMDocument();$dom->loadHTML($html);$xpath = new DOMXPath($dom);$xml = $xpath->query('//div[@class="section"]');$xhtml = $dom->saveHTML($xml->item(0));print_r($xhtml);

原文出处：Netkiller 系列手札

本文作者：陈景峯

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