yii\elasticsearch\Command::deleteByQuery PHP Method

    public function deleteByQuery($options = [])
    {
        if (!isset($this->queryParts['query'])) {
            throw new InvalidCallException('Can not call deleteByQuery when no query is given.');
        }
        $query = ['query' => $this->queryParts['query']];
        if (isset($this->queryParts['filter'])) {
            $query['filter'] = $this->queryParts['filter'];
        }
        $query = Json::encode($query);
        $url = [$this->index !== null ? $this->index : '_all'];
        if ($this->type !== null) {
            $url[] = $this->type;
        }
        $url[] = '_query';
        return $this->db->delete($url, array_merge($this->options, $options), $query);
    }