<?php
$name;
$price;
$choice;
$cart = array();
do {
echo "1. Add an item to your cart.\n";
echo "2. Remove an item from your cart.\n";
echo "3. Get the total balance of your cart.\n";
echo "4. Total number of items in your cart.\n";
echo "5. Check your cart for specific item.\n";
echo "6. Check your cart for count of specific item.\n";
echo "7: See everything in the cart.\n";
echo "\n0. Exit!\n";
echo "\nPlease enter a number between 0 and 7 : ";
$choice = trim(fgets(STDIN));
//} while(!(($choice == "0") || ($choice == "1") || ($choice == "2") || ($choice == "3") || ($choice == "4") || ($choice == "5") || ($choice == "6") || ($choice == "7")));

switch ($choice) {
    case 1:
        add();
        break;
    case 2:
        remove();
        break;
    case 3:
        balance();
        break;
    case 4:
        totalitems();
        break;
    case 5:
        itemexist();
        break;
    case 6:
        numberofeach();
        break;
    case 7:
        showall();
        break;
    case 0;
    default:
        echo "Thank you for using the shopping cart";
}
}while ($choice != 0);
function add(){
        echo "What would you like to add to your shopping cart?";
        $handle_name = fopen("php://stdin","r");
        $name = fgets($handle_name);
        echo "How much does it cost?";
        $handle_price = fopen("php://stdin","r");
        $price = fgets($handle_price);
        $cart['item'][] = array("name"=>$name,"price"=>$price);
        print_r($cart);
}