[ "label" => "Users.firstName", "rules" => "trim|max_length[150]", ], "last_name" => [ "label" => "Users.lastName", "rules" => "trim|max_length[150]", ], ]; protected $validationMessages = [ "first_name" => [ "max_length" => "Users.validation.first_name.max_length", "required" => "Users.validation.first_name.required", ], "last_name" => [ "max_length" => "Users.validation.last_name.max_length", "required" => "Users.validation.last_name.required", ], ]; public function getGroupsTitles($user_token){ $sql = 'SELECT `auth_groups`.`title` FROM `auth_groups` JOIN `group_user` ON `auth_groups`.`token` = `group_user`.`token_group` JOIN `auth_user` ON `auth_user`.`token` = `group_user`.`token_user` WHERE `auth_user`.`token` = \''. $user_token . '\''; $query = $this->db->query($sql); $result = $query->getResultObject(); $data = []; foreach($result as $r){ array_push($data, $r->title); } return implode(',', $data); } }