public KeyValueStoreInterface::setIfNotExists($key, $value)
Saves a value for a given key if it does not exist yet.
Parameters
string $key: The key of the data to store.
mixed $value: The data to store.
Return value
bool TRUE if the data was set, FALSE if it already existed.
File
- core/lib/Drupal/Core/KeyValueStore/KeyValueStoreInterface.php, line 84
Class
- KeyValueStoreInterface
- Defines the interface for key/value store implementations.
Namespace
Drupal\Core\KeyValueStore
Code
public function setIfNotExists($key, $value);
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