yii\elasticsearch\Command::createIndex PHP Method

createIndex() public method

creates an index
See also: http://www.elastic.co/guide/en/elasticsearch/reference/current/indices-create-index.html
public createIndex ( $index, array $configuration = null ) : mixed
$index
$configuration array
return mixed
    public function createIndex($index, $configuration = null)
    {
        $body = $configuration !== null ? Json::encode($configuration) : null;
        return $this->db->put([$index], [], $body);
    }