本文实例讲述了php获取网站百度快照日期的方法。分享给大家供大家参考。具体如下:
<html><head><title>在线演示_php获取某网站的快照时间</title><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><meta name="keywords" content="百度,baidu,查询快照结果"><meta name="description" content="php查询网站快照日期: "></head><body><?php $k=isset($_POST['k'])?$_POST['k']:''; ?><form method="post" action=""> <h2>查询网站快照日期:</h2> 输入网址:<br /> http://<input type="text" name="k" size="60" value="<?php echo $k ?>"> <input type="submit" value="提交"></form><?phpfunction getKuaiZhao($text) { $url = 'http:///s?word='.$text; $html = file_get_contents($url); $text = str_replace('.','\.',addslashes($text)); $search = '/<b>'.$text.'<\/b>[^<]*((?:19|20)[0-9]{2}-(?:1[012]|[1-9])-(?:[12][0-9]|3[01]|[1-9]))/'; preg_match($search, $html, $r); //highlight_string($search); return $r[1];}if($k=='') { echo('请输入url');}else{ if($r = getKuaiZhao($k)) { echo '快照:'.$r; }else { echo('无快照'); }}?></body></html>希望本文所述对大家的php程序设计有所帮助。