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//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>'; } }