public function DatabaseStorage::getMultiple

Implements Drupal\Core\KeyValueStore\KeyValueStoreInterface::getMultiple().

Overrides KeyValueStoreInterface::getMultiple

File

drupal/core/lib/Drupal/Core/KeyValueStore/DatabaseStorage.php, line 52

Contains Drupal\Core\KeyValueStore\DatabaseStorage.

Class

DatabaseStorage

Defines a default key/value store implementation.

Namespace

Code

public function getMultiple(array $keys) {
  $values = array();
  try {
    $result = $this->connection
      ->query('SELECT name, value FROM {' . $this->connection
      ->escapeTable($this->table) . '} WHERE name IN (:keys) AND collection = :collection', array(
      ':keys' => $keys,
      ':collection' => $this->collection,
    ))
      ->fetchAllAssoc('name');
    foreach ($keys as $key) {
      if (isset($result[$key])) {
        $values[$key] = unserialize($result[$key]->value);
      }
    }
  } catch (\Exception $e) {

    // @todo: Perhaps if the database is never going to be available,
    // key/value requests should return FALSE in order to allow exception
    // handling to occur but for now, keep it an array, always.
  }
  return $values;
}