php中$_SERVER['HTTP_USER_AGENT']判断是否为手机访问网站

$uAgent = $_SERVER['HTTP_USER_AGENT'];

$osPat = "mozilla|m3gate|winwap|openwave|Windows NT|Windows 3.1|95|Blackcomb|98|ME|X Window|ubuntu|Longhorn|AIX|Linux|AmigaOS|BEOS|HP-UX|OpenBSD|FreeBSD|NetBSD|OS/2|OSF1|SUN";

if(preg_match("/($osPat)/i", $uAgent )) //winwap 模拟WAP手机上网的一个浏览器; openwave|后面为各pc操作系统

{

echo "电脑访问";

}

else

{

echo "手机访问";

}

echo '
'.$uAgent;

$ua = strtolower($_SERVER['HTTP_USER_AGENT']);

$uachar = "/(nokia|sony|ericsson|mot|samsung|sgh|lg|philips|panasonic|alcatel|lenovo|cldc|midp|mobile|wap)/i";

if(($ua == '' || preg_match($uachar, $ua))&& !strpos(strtolower($_SERVER['REQUEST_URI']),'wap'))
{
    $Loaction = 'wap/';

    if (!empty($Loaction))
    {
        ecs_header("Location: $Loactionn");

        exit;
    }

}

/** 
* 自定义 header 函数，用于过滤可能出现的安全隐患 
* 
* @param   string  string  内容 
* 
* @return  void 
**/ 
function ecs_header($string, $replace = true, $http_response_code = 0)  
{  
    if (strpos($string, '../upgrade/index.php') === 0)  
    {  
        echo '';  
    }  
    $string = str_replace(array("r", "n"), array('', ''), $string);  
 
    if (preg_match('/^s*location:/is', $string))  
    {  
        @header($string . "n", $replace);  
 
        exit();  
    }  
 
    if (emptyempty($http_response_code) || PHP_VERSION     {  
        @header($string, $replace);  
    }  
    else 
    {  
        @header($string, $replace, $http_response_code);  
    }  
} 

if(navigator.platform.indexOf('Win32')!=-1){
//go to pc
}else{
// go to 手机
}