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Get all links in the specified URL page

WBOY
WBOYOriginal
2016-07-30 13:30:091205browse
	//获取指定URL页面中所有链接
	function get_url_href($url){
		$html = file_get_contents($url);
		$dom = new DOMDocument();
		@$dom->loadHTML($html);
		$xpath = new DOMXPath($dom);
		$hrefs = $xpath->evaluate('/html/body//a');
		for($i=0;$i<$hrefs->length;$i++){
			$href = $hrefs->item($i);
			$url = $href->getAttribute('href');
			if(substr($url,0,4) == 'http') echo $url.'<br>';
		}
	}

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The above introduces how to get all the links in the specified URL page, including the content. I hope it will be helpful to friends who are interested in PHP tutorials.

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