判断来自电脑还是手机

<?php

/**

*现公司在用的，不完善的地方望提出

*/

class FromPhoneOrPc {



    //判断来自电脑还是手机

    public function judgeFrom() {

        $uAgent = $_SERVER['HTTP_USER_AGENT'];



        $hAccept = $_SERVER['HTTP_ACCEPT'];



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



        $phonePat = "iPhone|Linux|Android|Symbian|Windows Phone OS";



        if (preg_match("/($phonePat)/i", $uAgent)) {



            return 'phone';

        } else if (preg_match("/($osPat)/i", $uAgent)) {



            if (isset($_SERVER['HTTP_ACCEPT']) && (strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') !== FALSE) && (strpos($_SERVER['HTTP_ACCEPT'], 'text/html') === FALSE || (strpos($_SERVER['HTTP_ACCEPT'], 'vnd.wap.wml') < strpos($_SERVER['HTTP_ACCEPT'], 'text/html')) )) {



                return 'phone';

            } else {



                return "pc";

            }

        } else {



            return 'phone';

        }

    }



}



//1、先把现在的智能手机会显示的系统都排除掉

//

//2、再排除WAP格式的报头

//

//3、剩下的基本是PC了