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 CTemplateHelper {

​

    /**

     * Get host or template parent templates recursively, input host or template will be added to result array.

     *

     * @param array  $hostids  An array of host or template IDs.

     * @param string $context  'host' or 'template'

     *

     * @return array

     */

    static public function getParentTemplatesRecursive(array $hostids, string $context): array {

        $templateids = array_flip($hostids);

        $all_templateids = $templateids;

​

        do {

            $entity = ($context == 'host') ? API::Host() : API::Template();

            $param = ($context == 'host') ? 'hostids' : 'templateids';

            $context = 'template';

​

            $hosts = $entity->get([

                'output' => [],

                'selectParentTemplates' => ['templateid'],

                $param => array_keys($templateids)

            ]);

​

            $parent_templateids = [];

​

            foreach ($hosts as $host) {

                $parent_templateids += array_column($host['parentTemplates'], null, 'templateid');

            }

​

            $templateids = array_diff_key($parent_templateids, $templateids);

            $all_templateids += $parent_templateids;

        }

        while ($templateids);

​

        return array_keys($all_templateids);

    }

}