function ApcuBackend::set

Overrides CacheBackendInterface::set

File

core/lib/Drupal/Core/Cache/ApcuBackend.php, line 173

Class

ApcuBackend

Stores cache items in the Alternative PHP Cache User Cache (APCu).

Namespace

Code

public function set($cid, $data, $expire = CacheBackendInterface::CACHE_PERMANENT, array $tags = []) {
    assert(Inspector::assertAllStrings($tags), 'Cache tags must be strings.');
    $tags = array_unique($tags);
    $cache = new \stdClass();
    $cache->cid = $cid;
    $cache->created = round(microtime(TRUE), 3);
    $cache->expire = $expire;
    $cache->tags = implode(' ', $tags);
    $cache->checksum = $this->checksumProvider
        ->getCurrentChecksum($tags);
    // APCu serializes/unserializes any structure itself.
    $cache->serialized = 0;
    $cache->data = $data;
    // Expiration is handled by our own prepareItem(), not APCu.
    apcu_store($this->getApcuKey($cid), $cache);
}