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.

Overrides KeyValueStoreInterface::setIfNotExists

File

core/lib/Drupal/Core/KeyValueStore/NullStorageExpirable.php, line 67

Class

NullStorageExpirable

Defines a null key/value store implementation.

Namespace

Drupal\Core\KeyValueStore

Code

public function setIfNotExists($key, $value) {
}

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