Home > Article > Backend Development > PHP page reading and regular matching methods

PHP page reading and regular matching methods

墨辰丷Original: 2018-06-08 10:30:431394browse

This article mainly introduces the methods of reading PHP pages and regular matching. Friends who are interested can refer to it. I hope it will be helpful to everyone.

The details are as follows:

<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[&#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://<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>

Summary: The above is the entire content of this article, I hope it will be helpful to everyone's study.

Related recommendations:

Testing methods and examples of PHP scripts

PHP method to integrate DISCUZ users

PHP four basic sorting algorithms and two search algorithms

The above is the detailed content of PHP page reading and regular matching methods. For more information, please follow other related articles on the PHP Chinese website!

Statement：

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

Previous article：Date formatting in GridView in Yii2 and making dates searchableNext article：Date formatting in GridView in Yii2 and making dates searchable

See more

PHP page reading and regular matching methods

Related articles