function check_wap() {    if (isset($_SERVER[‘HTTP_VIA‘])) return true;    if (isset($_SERVER[‘HTTP_X_NOKIA_CONNECTION_MODE‘])) return true;    if (isset($_SERVER[‘HTTP_X_UP_CALLING_LINE_ID‘])) return true;    if (strpos(strtoupper($_SERVER[‘HTTP_ACCEPT‘]),"VND.WAP.WML") > 0) {        // Check whether the browser/gateway says it accepts WML.        $br = "WML";    } else {        $browser = isset($_SERVER[‘HTTP_USER_AGENT‘]) ? trim($_SERVER[‘HTTP_USER_AGENT‘]) : ‘‘;        if(empty($browser)) return true;        $mobile_os_list=array(‘Google Wireless Transcoder‘,‘Windows CE‘,‘WindowsCE‘,‘Symbian‘,‘Android‘,‘armv6l‘,‘armv5‘,‘Mobile‘,‘CentOS‘,‘mowser‘,‘AvantGo‘,‘Opera Mobi‘,‘J2ME/MIDP‘,‘Smartphone‘,‘Go.Web‘,‘Palm‘,‘iPAQ‘);        $mobile_token_list=array(‘Profile/MIDP‘,‘Configuration/CLDC-‘,‘160×160‘,‘176×220‘,‘240×240‘,‘240×320‘,‘320×240‘,‘UP.Browser‘,‘UP.Link‘,‘SymbianOS‘,‘PalmOS‘,‘PocketPC‘,‘SonyEricsson‘,‘Nokia‘,‘BlackBerry‘,‘Vodafone‘,‘BenQ‘,‘Novarra-Vision‘,‘Iris‘,‘NetFront‘,‘HTC_‘,‘Xda_‘,‘SAMSUNG-SGH‘,‘Wapaka‘,‘DoCoMo‘,‘iPhone‘,‘iPod‘);        $found_mobile=checkSubstrs($mobile_os_list,$browser) ||                  checkSubstrs($mobile_token_list,$browser);  if($found_mobile)   $br ="WML";  else $br = "WWW";    }    if($br == "WML") {        return true;    } else {        return false;    }}function checkSubstrs($list,$str){ $flag = false; for($i=0;$i<count($list);$i++){  if(strpos($str,$list[$i]) > 0){   $flag = true;   break;  } } return $flag;}if(check_wap()){ echo "wap";}else{echo "web";}