function is_Mobile_Desktop() { return preg_match("/(android|avantgo|blackberry|bolt|boost|cricket|docomo|fone|hiptop|mini|mobi|palm|phone|pie|tablet|up.browser|up.link|webos|wos)/i", $_SERVER["HTTP_USER_AGENT"]); } if(is_Mobile_Desktop()) { echo "mobile"; }else { echo "desktop"; }