protected DatabaseBackend::prepareItem($cache, $allow_invalid)
Prepares a cached item.
Checks that items are either permanent or did not expire, and unserializes data as appropriate.
Parameters
object $cache: An item loaded from cache_get() or cache_get_multiple().
bool $allow_invalid: If FALSE, the method returns FALSE if the cache item is not valid.
Return value
mixed|false The item with data unserialized as appropriate and a property indicating whether the item is valid, or FALSE if there is no valid item to load.
File
- core/lib/Drupal/Core/Cache/DatabaseBackend.php, line 117
Class
- DatabaseBackend
- Defines a default cache implementation.
Namespace
Drupal\Core\Cache
Code
protected function prepareItem($cache, $allow_invalid) {
if (!isset($cache->data)) {
return FALSE;
}
$cache->tags = $cache->tags ? explode(' ', $cache->tags) : array();
// Check expire time.
$cache->valid = $cache->expire == Cache::PERMANENT || $cache->expire >= REQUEST_TIME;
// Check if invalidateTags() has been called with any of the items's tags.
if (!$this->checksumProvider->isValid($cache->checksum, $cache->tags)) {
$cache->valid = FALSE;
}
if (!$allow_invalid && !$cache->valid) {
return FALSE;
}
// Unserialize and return the cached data.
if ($cache->serialized) {
$cache->data = unserialize($cache->data);
}
return $cache;
}
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