$data = array(
array(
'id' => 'sku_123ABC',
'qty' => 1,
'price' => 39.95,
'name' => 'T-Shirt',
'options' => array('Size' => 'L', 'Color' => 'Red')
),
array(
'id' => 'sku_567ZYX',
'qty' => 1,
'price' => 9.95,
'name' => 'Coffee Mug'
),
array(
'id' => 'sku_965QRS',
'qty' => 1,
'price' => 29.95,
'name' => 'Shot Glass'
)
);
$this->cart->insert($data);