function execute() { $photo_id = (int) Request::post('photo'); if ($photo_id == 0) { return false; } $model = new connectionUserPhotoModel(); $photo = $model->getPhotoByID($photo_id); $user = ConnectionHelper::userLogin(); if (!$photo || isset($photo['avatar']) && $photo['avatar'] || $photo['user_id'] != $user['id']) { return false; } return $model->deletePhoto($photo_id); }