DrewM\MailChimp\Batch::execute PHP Method

    public function execute($timeout = 10)
    {
        $req = array('operations' => $this->operations);
        $result = $this->MailChimp->post('batches', $req, $timeout);
        if ($result && isset($result['id'])) {
            $this->batch_id = $result['id'];
        }
        return $result;
    }