php实现屏蔽掉黑帽SEO的搜索关键字-php手册-php.cn

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php实现屏蔽掉黑帽SEO的搜索关键字

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Jun 13, 2016 am 09:07 AM

php

php实现屏蔽掉黑帽SEO的搜索关键字

我给大家一个方法我的思路

思路就是这样的那些大佬们想做这个东西大部分还是要留QQ或者电话号码

那么我就匹配里面的规则找出搜索里面的数字然后判断数字字符串的长度进而去判断是否为垃圾搜索

奉上代码：

//@功能屏蔽掉黑帽SEO的搜索关键字

//@By 阳兄

function findNum($str=''){ //取出字符串里面的所有数字

$str=trim($str);

if(empty($str)){return '';}

$result='';

for($i=0;$i

if(is_numeric($str[$i])){

$result.=$str[$i];

}

return $result;

}

$the_lnum=strlen(findNum($q));//获取数字字符串长度

if($the_lnum>6){ //判断长度是否超过6 超过则直接301到搜索页面

header("HTTP/1.1 301 Moved Permanently");

header("Location: http://".$_SERVER['HTTP_HOST']."/search.php");

exit();

}

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