php获取某网站的百度快照日期-PHP源码-php.cn

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php获取某网站的百度快照日期

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May 25, 2016 pm 05:10 PM

php

[PHP]代码

<html>
<head>
<title>在线演示_php获取某网站的快照时间 http://www.php.cn/;/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: by enenba.com">
</head>
<body>
<?php $k=isset($_POST[&#39;k&#39;])?$_POST[&#39;k&#39;]:&#39;&#39;; ?>
<form method="post" action="">
	<h2>查询网站快照日期:</h2>
	输入网址：<br />
	http://www.php.cn/;input type="text" name="k" size="60" value="<?php echo $k ?>">
	<input type="submit" value="提交">
</form>
<?php
/*
	php获取某网站的快照时间 by enenba
	2012-6-18
	@param str $url 一级域名
	@param str 时间格式
 */
function getKuaiZhao($text) {
	$url = &#39;http://www.baidu.com/s?word=&#39;.$text;
	$html = file_get_contents($url);
	$text = str_replace(&#39;.&#39;,&#39;\.&#39;,addslashes($text));
	$search = &#39;/<b>&#39;.$text.&#39;<\/b>[^<]*((?:19|20)[0-9]{2}-(?:1[012]|[1-9])-(?:[12][0-9]|3[01]|[1-9]))/&#39;;
	preg_match($search, $html, $r);
	//highlight_string($search);
	return $r[1];
}
if($k==&#39;&#39;) {
	echo(&#39;请输入url&#39;);
}else{
	if($r = getKuaiZhao($k)) {
		echo &#39;快照：&#39;.$r; 
	}else {
		echo(&#39;无快照&#39;);
	}
}
?>

</body>
</html>

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