public DatabaseStorage::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 $value: The data to store.
Return value
bool TRUE if the data was set, FALSE if it already existed.
Overrides KeyValueStoreInterface::setIfNotExists
File
- core/lib/Drupal/Core/KeyValueStore/DatabaseStorage.php, line 122
Class
- DatabaseStorage
- Defines a default key/value store implementation.
Namespace
Drupal\Core\KeyValueStore
Code
public function setIfNotExists($key, $value) {
$result = $this->connection->merge($this->table)
->insertFields(array(
'collection' => $this->collection,
'name' => $key,
'value' => $this->serializer->encode($value),
))
->condition('collection', $this->collection)
->condition('name', $key)
->execute();
return $result == Merge::STATUS_INSERT;
}
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