Home > Article > Backend Development > How to prohibit collection in php

How to prohibit collection in php

藏色散人Original: 2021-11-25 09:34:342320browse

How to prohibit collection in php: 1. Create a PHP sample file; 2. Use the "$HTTP_REFERER = $_SERVER["HTTP_REFERER"];$HTTP_USER_AGENT =..." method to prevent collection.

#The operating environment of this article: Windows7 system, PHP7.1, Dell G3.

How to prohibit collection in php?

PHP anti-collection method code

 1 <?php 
 2        /**
 3       *        FileName:test.php
 4       *        Summary: 防采集
 5       *        Author: sinob
 6       *        CreateTime: 2005-10-18    
 7       *        LastModifed:2005-10-18 
 8       *        请参见http://mall.yi85.com/
 9        */
10        $HTTP_REFERER = $_SERVER["HTTP_REFERER"];
11        $HTTP_USER_AGENT = $_SERVER["HTTP_USER_AGENT"];
12        $SERVER_NAME = $_SERVER["SERVER_NAME"];
13        $CompCharArr = explode(",","Baiduspider,Scooter,ia_archiver,Googlebot,FAST-WebCrawler,MSNBOT,Slurp");
14        $CompCharArrSize = sizeof($CompCharArr);
15        $CheckSign = "";
16        for($i=0;$i<$CompCharArrSize;$i++)
17        {
18             $ComChar = trim($CompCharArr[$i]);
19             if($CompChar<>"" && eregi($CompChar,$HTTP_USER_AGENT))
20             {
21                      $CheckSign = "T";
22             }
23        }
24        $SERVER_NAME_M = "http://".$SERVER_NAME;//strlen
25         $EndLenth = strlen($SERVER_NAME_M) + 1;
26        $CompServerName = "http://".$SERVER_NAME."/";
27        if(empty($CheckSign) && ($HTTP_REFERER == "" or substr($HTTP_REFERER,0,$EndLenth) <> $CompServerName ))
28        {
29 ?>
30 <html>
31 <body>
32 <form action=&#39; name=checkrefer id=checkrefer method=post></form>
33 <script>
34 document.all.checkrefer.action=document.URL;
35 document.all.checkrefer.submit();
36 <?php }?>

Recommended learning: "PHP Video Tutorial"

The above is the detailed content of How to prohibit collection in php. 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：How to replace asterisks in a string in phpNext article：How to replace asterisks in a string in php

See more

How to prohibit collection in php

Related articles