PHP OssnUser::isOssnUsername示例

$add->first_name = $user['firstname'];
$add->last_name = $user['lastname'];
$add->email = $user['email'];
$add->password = $user['password'];
$add->gender = $user['gender'];
$add->birthdate = $user['birthdate'];
$add->usertype = $user['type'];
if (!$add->isUsername($user['username'])) {
    ossn_trigger_message(ossn_print('username:error'), 'error');
    redirect(REF);
}
if (!$add->isPassword()) {
    ossn_trigger_message(ossn_print('password:error'), 'error');
    redirect(REF);
}
if ($add->isOssnUsername()) {
    ossn_trigger_message(ossn_print('username:inuse'), 'error');
    redirect(REF);
}
if ($add->isOssnEmail()) {
    ossn_trigger_message(ossn_print('email:inuse'), 'error');
    redirect(REF);
}
//check if email is valid email
if (!$add->isEmail()) {
    ossn_trigger_message(ossn_print('email:invalid'), 'error');
    redirect(REF);
}
if ($add->addUser()) {
    ossn_trigger_message(ossn_print('account:created'), 'success');
    redirect(REF);