I use the following code to pass an array to session:

$app = JFactory::getApplication();
$input = $app->input;
$itemid = $input->get('id');
$quan = $input->get('quan');
$session = JFactory::getSession();
$cart = array();
$cart['items'][] = array('id' => $itemid, 'quan' => $quan);
$session->set('cart', $cart);

It passes data of one item successfully, but when I try to add one more item to the session the code doesn't add it as a new item but overwrites existed item by new item. How to resolve the problem?

1 Answer 1


Just get your existing data from session, modify it and push it back into the session.


$cart = array();


$cart = $session->get('cart', array());

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