public function KeyValueStoreInterface::setIfNotExists in Service Container 7

Same name and namespace in other branches

1. 7.2 lib/Drupal/Core/KeyValueStore/KeyValueStoreInterface.php \Drupal\Core\KeyValueStore\KeyValueStoreInterface::setIfNotExists()

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.

3 methods override KeyValueStoreInterface::setIfNotExists()

DatabaseStorage::setIfNotExists in lib/Drupal/Core/KeyValueStore/DatabaseStorage.php

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

MemoryStorage::setIfNotExists in lib/Drupal/Core/KeyValueStore/MemoryStorage.php

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

NullStorageExpirable::setIfNotExists in lib/Drupal/Core/KeyValueStore/NullStorageExpirable.php

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

File

lib/Drupal/Core/KeyValueStore/KeyValueStoreInterface.php, line 89

Contains \Drupal\Core\KeyValueStore\KeyValueStoreInterface.

Class

KeyValueStoreInterface

Defines the interface for key/value store implementations.

Namespace

Drupal\Core\KeyValueStore

Code

public function setIfNotExists($key, $value);