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<?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);
}
}
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