rendered paste body<html><head><title>addtocart</title></head><?phpsession_start();?><body><?phpif (isset ($_POST['quantity']) && !empty($_POST['quantity'])){ if (! isset($_SESSION['shoppingcart') { echo "creating new array"; $flight = $_POST['flight_picked']; $quantity_picked = $_POST['quantity']; $shoppingcart = array( array( "route" =>$flight, "quantity" =>$quantity_picked ); } else { echo "Adding new flight to the array"; $_SESSION['shoppingcart'][] = array( "route" =>$flight, "quantity" =>$quantity_picked ); } echo "No of different flights currently stored in session = "count($_SESSION['shoppingcart']); ?></body></html>