public function MemoryStorage::setIfNotExists in Service Container 7

Same name and namespace in other branches

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

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

Overrides KeyValueStoreInterface::setIfNotExists

File

lib/Drupal/Core/KeyValueStore/MemoryStorage.php, line 60

Contains \Drupal\Core\KeyValueStore\MemoryStorage.

Class

MemoryStorage

Defines a default key/value store implementation.

Namespace

Drupal\Core\KeyValueStore

Code

public function setIfNotExists($key, $value) {
  if (!isset($this->data[$key])) {
    $this->data[$key] = $value;
    return TRUE;
  }
  return FALSE;
}