public function delete($group_provider_id, $decorator_id) { $dao = new EngineBlock_Model_DbTable_GroupProviderDecorator(); if (strlen(trim($group_provider_id)) > 0 && strlen(trim($decorator_id)) > 0) { return $dao->delete("group_provider_id='{$group_provider_id}' AND decorator_id='{$decorator_id}'"); } else { return false; } }