finished final project

catalog/cart.php

@@ -8,6 +8,28 @@ if (!isset($_SESSION['id']))
 foreach (glob('components/cart/*.php') as $file)
     require_once $file;
 
+require_once 'functions/catalog.php';
 require_once 'components/head.php';
 
+if (empty($_SESSION['cart'])) {
+    echo '
+        <div class="glass center md_width padding margin-top" style="height: auto;">
+            <h3>Your cart is empty!</h3>
+            <p>Check out our innovative and reliable products <a href="catalog.php">here</a>.</p>
+        </div>
+    ';
+} else {
+    if (isset($_POST['form_id'])) {
+        $total = calculate_total();
+        $items = [];
+        foreach ($_SESSION['cart'] as $id => $q) {
+            $items[fetch_product($id)['name']] = $q;
+            unset($_SESSION['cart'][$id]);
+        }
+
+        echo cart_confirmation($_POST['fname'], $_POST['lname'], $_POST['add'], $_POST['city'], $_POST['state'], $_POST['zip'], $total, $items);
+    } else
+        echo cart_layout();
+}
+
 require_once 'components/foot.php';