function KeyValueStoreInterface::has
Same name in other branches
- 8.9.x core/lib/Drupal/Core/KeyValueStore/KeyValueStoreInterface.php \Drupal\Core\KeyValueStore\KeyValueStoreInterface::has()
- 10 core/lib/Drupal/Core/KeyValueStore/KeyValueStoreInterface.php \Drupal\Core\KeyValueStore\KeyValueStoreInterface::has()
- 11.x core/lib/Drupal/Core/KeyValueStore/KeyValueStoreInterface.php \Drupal\Core\KeyValueStore\KeyValueStoreInterface::has()
Returns whether a given key exists in the store.
Parameters
string $key: The key to check.
Return value
bool TRUE if the key exists, FALSE otherwise.
3 methods override KeyValueStoreInterface::has()
- DatabaseStorage::has in core/
lib/ Drupal/ Core/ KeyValueStore/ DatabaseStorage.php - Returns whether a given key exists in the store.
- MemoryStorage::has in core/
lib/ Drupal/ Core/ KeyValueStore/ MemoryStorage.php - Returns whether a given key exists in the store.
- NullStorageExpirable::has in core/
lib/ Drupal/ Core/ KeyValueStore/ NullStorageExpirable.php - Returns whether a given key exists in the store.
File
-
core/
lib/ Drupal/ Core/ KeyValueStore/ KeyValueStoreInterface.php, line 27
Class
- KeyValueStoreInterface
- Defines the interface for key/value store implementations.
Namespace
Drupal\Core\KeyValueStoreCode
public function has($key);
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