function isMobileDevice(){
$aMobileUA = array(
‘/iphone/i’ => ‘iPhone’,
‘/ipod/i’ => ‘iPod’,
‘/ipad/i’ => ‘iPad’,
‘/android/i’ => ‘Android’,
‘/blackberry/i’ => ‘BlackBerry’,
‘/webos/i’ => ‘Mobile’
);

//Return true if Mobile User Agent is detected
foreach($aMobileUA as $sMobileKey => $sMobileOS){
if(preg_match($sMobileKey, $_SERVER[‘HTTP_USER_AGENT’])){
return true;
}
}
//Otherwise return false..
return false;
}