public function DatabaseStorage::getMultiple in Drupal 8

Same name and namespace in other branches

1. 9 core/lib/Drupal/Core/KeyValueStore/DatabaseStorage.php \Drupal\Core\KeyValueStore\DatabaseStorage::getMultiple()

Returns the stored key/value pairs for a given set of keys.

@todo What's returned for non-existing keys?

Parameters

array $keys: A list of keys to retrieve.

Return value

array An associative array of items successfully returned, indexed by key.

Overrides KeyValueStoreInterface::getMultiple

1 method overrides DatabaseStorage::getMultiple()

DatabaseStorageExpirable::getMultiple in core/lib/Drupal/Core/KeyValueStore/DatabaseStorageExpirable.php

Returns the stored key/value pairs for a given set of keys.

File

core/lib/Drupal/Core/KeyValueStore/DatabaseStorage.php, line 73

Class

DatabaseStorage

Defines a default key/value store implementation.

Namespace

Drupal\Core\KeyValueStore

Code

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