PHP判断是否为手机客户端

<?
function check_wap(){
    if(stristr($_SERVER['HTTP_VIA'],"wap")){// 先检查是否为wap代理,准确度高
        return true;
    }elseif(strpos(strtoupper($_SERVER['HTTP_ACCEPT']),"VND.WAP.WML") > 0){// 检查浏览器是否接受 WML.
        return true;
   }elseif(preg_match('/(blackberry|configuration/cldc|hp |hp-|htc |htc_|htc-|iemobile|kindle|midp|mmp|motorola|mobile|nokia|opera mini|opera |Googlebot-Mobile|YahooSeeker/M1A1-R2D2|android|iphone|ipod|mobi|palm|palmos|pocket|portalmmm|ppc;|smartphone|sonyericsson|sqh|spv|symbian|treo|up.browser|up.link|vodafone|windows ce|xda |xda_)/i', $_SERVER['HTTP_USER_AGENT'])){//检查USER_AGENT
        return true;             
    }else{
        return false;    
   }
   
}
if(check_wap() && !$_GET['m']){
    Header('Location:http://www.sdceo.com/?m=wap');
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>php判断是否手机客户端</title>
</head>

<body>

</body>
</html>
原文地址:https://www.cnblogs.com/wang-yang/p/4821848.html