protected function DatabaseBackend::doSetMultiple in Zircon Profile 8
Same name and namespace in other branches
- 8.0 core/lib/Drupal/Core/Cache/DatabaseBackend.php \Drupal\Core\Cache\DatabaseBackend::doSetMultiple()
Stores multiple items in the persistent cache.
Parameters
array $items: An array of cache items, keyed by cid.
See also
\Drupal\Core\Cache\CacheBackendInterface::setMultiple()
1 call to DatabaseBackend::doSetMultiple()
- DatabaseBackend::setMultiple in core/
lib/ Drupal/ Core/ Cache/ DatabaseBackend.php - Store multiple items in the persistent cache.
File
- core/
lib/ Drupal/ Core/ Cache/ DatabaseBackend.php, line 193 - Contains \Drupal\Core\Cache\DatabaseBackend.
Class
- DatabaseBackend
- Defines a default cache implementation.
Namespace
Drupal\Core\CacheCode
protected function doSetMultiple(array $items) {
$values = array();
foreach ($items as $cid => $item) {
$item += array(
'expire' => CacheBackendInterface::CACHE_PERMANENT,
'tags' => array(),
);
assert('\\Drupal\\Component\\Assertion\\Inspector::assertAllStrings($item[\'tags\'])', 'Cache Tags must be strings.');
$item['tags'] = array_unique($item['tags']);
// Sort the cache tags so that they are stored consistently in the DB.
sort($item['tags']);
$fields = array(
'cid' => $this
->normalizeCid($cid),
'expire' => $item['expire'],
'created' => round(microtime(TRUE), 3),
'tags' => implode(' ', $item['tags']),
'checksum' => $this->checksumProvider
->getCurrentChecksum($item['tags']),
);
if (!is_string($item['data'])) {
$fields['data'] = serialize($item['data']);
$fields['serialized'] = 1;
}
else {
$fields['data'] = $item['data'];
$fields['serialized'] = 0;
}
$values[] = $fields;
}
// Use an upsert query which is atomic and optimized for multiple-row
// merges.
$query = $this->connection
->upsert($this->bin)
->key('cid')
->fields(array(
'cid',
'expire',
'created',
'tags',
'checksum',
'data',
'serialized',
));
foreach ($values as $fields) {
// Only pass the values since the order of $fields matches the order of
// the insert fields. This is a performance optimization to avoid
// unnecessary loops within the method.
$query
->values(array_values($fields));
}
$query
->execute();
}