php实现屏蔽掉黑帽SEO的搜索关键字
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:
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//@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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