src/ElasticSearch/Transport/HTTP.php
public function delete($id=false, array $options = array()) {
        if ($id)
            return $this->call($this->buildUrl(array($this->type, $id), $options), "DELETE");
        else
            return $this->request(false, "DELETE");
    }
public function delete($id=false, array $options = array()) {
        if ($id)
            return $this->call($this->buildUrl(array($this->type, $id), $options), "DELETE");
        else
            return $this->request(false, "DELETE");
    }
Flush this index/type combination

@return array
@param mixed $id Id of document to delete
@param array $options Parameters to pass to delete action