public function create($credentials)
{
$object = array();
$object["username"] = $credentials->username;
$object["email"] = $credentials->email;
$object["password"] = password_hash($credentials->password, PASSWORD_DEFAULT);
$object["role"] = $credentials->role;
if ($user_id = $this->insert($object)) {
$ret = $this->getById($user_id);
return $ret;
} else {
return false;
}
}