PHP to decide whether to access the phone or the computer

    //judging the computer or mobile Access    functionIs_mobile () {//If you have http_x_wap_profile, it must be a mobile device .        if(isset($_server[' Http_x_wap_profile ']))        {            return true; }         //if the VIA message contains a WAP, it must be a mobile device, and some service providers block that information        if(isset($_server[' Http_via ']))        {             //not found for flase, otherwise true            return Stristr($_server[' Http_via '], "WAP")?true:false; }         //brain Residue method, determine the mobile phone to send the client logo, compatibility needs to be improved        if(isset($_server[' Http_user_agent ']))        {            $clientkeywords=Array(' Nokia ', ' Sony ', ' Ericsson ', ' mot ', ' Samsung ', ' HTC ', ' SGH ', ' lg ', ' sharp ', ' sie-', ' Philips ' , ' Panasonic ', ' Alcatel ', ' Lenovo ', ' iphone ', '                ipod ', ' blackberry ', ' Meizu ', ' Android ', ' NetFront ',                ' Symbian ', ' UCWeb ', ' windowsce ', ' palm ', ' Operamini ', ' Operamobi ', ' Openwave ', ' nexusone ', ' CLDC ', ' mid P ', ' wap ', ' mobile '                ); //find keywords for your phone's browser from Http_user_agent            if(Preg_match("/(" .implode(' | ',$clientkeywords) . ")/I",Strtolower($_server[' Http_user_agent '])))            {                return true; }         }         //protocol law, because there may be inaccuracies, put to the final Judgment        if(isset($_server[' Http_accept ']))        {             //If only WML is supported and HTML is not supported that must be mobile device//If WML and HTML are supported but WML is mobile device before HTML            if((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 true; }         }         return false; } 

PHP to decide whether to access the phone or the computer