if(preg_match('/^([a-z0-9_.-]+)@([a-z0-9_.-]+).([a-z.]{2,6})$/i', $email)===1){
$userData['email']=$email;
 }else{
$userData['email']='ОШИБКА';
}

if (in_array('ОШИБКА', $userData,true)){
header('location : http://127.0.0.3/sit.my/MY_DZ/ANT/');
echo "<h1>".'ERROR 460'."</h1>";
 }else{
(new Addusers($userData))->save();
};