public function changeMail($user_id, $mail)
{
if (DtbUserBasic::findFirstByemail($mail)) {
return false;
}
$user_basic = DtbUserBasic::findFirstByuser_id($user_id);
if (!$user_basic) {
return false;
}
$user_basic->mail = $mail;
if ($user_basic->save() == false) {
return false;
} else {
return true;
}
}
