<? function isMobile() {
if (isset ($_SERVER['HTTP_X_WAP_PROFILE'])){return true;}
if (isset ($_SERVER['HTTP_VIA'])) {
stristr($_SERVER['HTTP_VIA'], "wap") ? true : false;}
if (isset ($_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','midp','wap','mobile');
if (preg_match("/(" . implode('|', $clientkeywords) . ")/i", strtolower($_SERVER['HTTP_USER_AGENT']))) {return true;}}
if (isset ($_SERVER['HTTP_ACCEPT'])) {
if ((strpos($_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;
}