Zabbix

<?php

/*

** Zabbix

** Copyright (C) 2001-2022 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

​

/**

 * Class to perform low level item related actions.

 */

class CItemManager {

​

    /**

     * Deletes items and related entities without permission check.

     *

     * @param array $itemids

     */

    public static function delete(array $itemids) {

        global $DB;

​

        $del_itemids = [];

        $del_ruleids = [];

        $del_item_prototypeids = [];

​

        // Selecting all inherited items.

        $parent_itemids = array_flip($itemids);

        do {

            $db_items = DBselect(

                'SELECT i.itemid FROM items i WHERE '.dbConditionInt('i.templateid', array_keys($parent_itemids))

            );

​

            $del_itemids += $parent_itemids;

            $parent_itemids = [];

​

            while ($db_item = DBfetch($db_items)) {

                if (!array_key_exists($db_item['itemid'], $del_itemids)) {

                    $parent_itemids[$db_item['itemid']] = true;

                }

            }

        } while ($parent_itemids);

​

        // Selecting all dependent items.

        // Note: We are not separating normal from discovered items at this point.

        $dep_itemids = [

            ZBX_FLAG_DISCOVERY_NORMAL => $del_itemids,

            ZBX_FLAG_DISCOVERY_RULE => [],

            ZBX_FLAG_DISCOVERY_CREATED => [],

            ZBX_FLAG_DISCOVERY_PROTOTYPE => []

        ];