if ($user->getId() != $uid) {
$messages[] = new Message(Message::DANGER, i18n(array('en' => 'This username has already been registered. Please choose a different username', 'zh' => '该用户名已被注册，请尝试其他用户名')));
}
}
}
}
}
}
// email
if (is_null($email)) {
$messages[] = new Message(Message::DANGER, i18n(array('en' => 'Please enter your email', 'zh' => '请填写电子邮箱')));
} else {
if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {
$messages[] = new Message(Message::DANGER, i18n(array('en' => 'Please enter a valid email address', 'zh' => '请填写合法的邮箱地址')));
} else {
if ($user = SiteUser::findByEmail($email)) {
// when create new user, we check if there is an existing one
if (empty($uid)) {
$messages[] = new Message(Message::DANGER, i18n(array('en' => 'This email has already been registered. Please choose a different email', 'zh' => '该邮箱已被注册，请尝试其他邮箱')));
} else {
// when update existing user, we check if the username is duplicated
if ($user->getId() != $uid) {
$messages[] = new Message(Message::DANGER, i18n(array('en' => 'This email has already been registered. Please choose a different email', 'zh' => '该邮箱已被注册，请尝试其他邮箱')));
}
}
}
}
}
// password
if (is_null($password)) {
$messages[] = new Message(Message::DANGER, i18n(array('en' => 'Please enter your password', 'zh' => '请填写密码')));
