'empty_id'])); } if($mem->id_exists($id)) { die(json_encode(['result' => 'fail'])); }else { die(json_encode(['result' => 'success'])); } } if($_POST['mode'] == 'email_chk') { if($email == '') { die(json_encode(['result' => 'empty_email'])); } if($mem->email_exists($email)) { die(json_encode(['result' => 'fail'])); }else { die(json_encode(['result' => 'success'])); } }