add batch create or update function

[phpstudyone]

I want to add Create or update a group of contacts function .
use following code :

$hapikey = "demo";
$hubspot = new Fungku\HubSpot($hapikey);
$contacts = $this->hubspot->contacts()->batch_create_or_update(array(
        array('email'=>'[email protected]','param'=>array('firstname'=>'JasonT5','lastname'=>'Zhang5','phone'=>'555-122-2325','ispaid'=>'No')),
        array('email'=>'[email protected]','param'=>array('firstname'=>'JasonT6','lastname'=>'Zhang6','phone'=>'555-122-2326','ispaid'=>'No')),
        array('email'=>'[email protected]','param'=>array('firstname'=>'JasonT7','lastname'=>'Zhang7','phone'=>'555-122-2327','ispaid'=>'No')),
        array('email'=>'[email protected]','param'=>array('firstname'=>'JasonT8','lastname'=>'Zhang8','phone'=>'555-122-2328','ispaid'=>'No')),
        ));

Create or update a group of contacts