|
protected getTimestamps ( |
||
| $cache | ||
| $tags | string[] | |
| return | array | the timestamps indexed by the specified tags. |
protected function getTimestamps($cache, $tags)
{
if (empty($tags)) {
return [];
}
$keys = [];
foreach ($tags as $tag) {
$keys[] = $cache->buildKey([__CLASS__, $tag]);
}
return $cache->multiGet($keys);
}