editMember(['member_id' => $user],['invitees' => ['exp','invitees+1']]); } protected function add_reward($user,$amount) { $user = intval($user); if($user <=0) return false; $mod_member = Model('member'); $mod_member->editMember(['member_id' => $user],['reward_amount' => ['exp', "reward_amount+{$amount}"]]); } }