Zabbix

<?php declare(strict_types = 0);

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

​

class CTriggerGeneralHelper {

​

    /**

     * @param array  $src_hosts

     * @param string $src_hosts[<src_master_triggerid>][<src_triggerid>]  Source host.

     * @param array  $dst_hosts

     * @param array  $dst_hosts[<dst_hostid>]                             Destination host.

     *

     * @return array [<src_master_triggerid>][<dst_hostid>] = <dst_master_triggerid>

     *

     * @throws Exception

     */

    protected static function getDestinationMasterTriggers(array $src_hosts, array $dst_hosts): array {

        if (!$src_hosts) {

            return [];

        }

​

        $dst_hostids = array_keys($dst_hosts);

​

        $src_master_triggers = API::Trigger()->get([

            'output' => ['triggerid', 'description', 'expression', 'recovery_expression'],

            'selectHosts' => ['hostid', 'host'],

            'triggerids' => array_keys($src_hosts),

            'preservekeys' => true

        ]);

​

        $src_master_triggers = CMacrosResolverHelper::resolveTriggerExpressions($src_master_triggers,

            ['sources' => ['expression', 'recovery_expression']]

        );

​

        $src_descriptions = [];

        $dst_master_triggerids = [];

​

        foreach ($src_master_triggers as $src_master_trigger) {

            $src_master_trigger_hostids = array_column($src_master_trigger['hosts'], 'hostid');

            $src_hostids = [];

​

            foreach ($src_hosts[$src_master_trigger['triggerid']] as $src_host) {

                if (in_array($src_host['hostid'], $src_master_trigger_hostids)) {

                    $src_descriptions[$src_master_trigger['description']] = true;

​

                    $src_hostids[$src_host['hostid']] = true;

                }

            }

​

            if (count($src_hostids) == 1) {

                foreach ($dst_hostids as $dst_hostid) {