Webbserverprogrammering 1

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webbserverprogrammering/projekt/snake_oil_seller/php/

about_us.php
add_to_cart.php
buy_cart.php
config.php
contact.php
create_products.php
create_tables.php
dbconnection.php
delete_tables.php
entry.php
header.php
insert_posts.php
log_in.php
log_out.php
main.php
my_account.php
shop.php
shop_item.php
shopping_cart.php
sign_in.php
title_card.php
user_verified.php
verify_page.php

add_to_cart.php

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<?php
  session_start();

  // Lägger till produkt i kundvagnen
  if (!isset($_SESSION["cart"])) {
    $_SESSION["cart"] = [];
  }

  if (isset($_POST["product_id"])) {
    $product_id = $_POST["product_id"];

    if (isset($_SESSION["cart"][$product_id])) {
      $_SESSION["cart"][$product_id]++;
    } else {
      $_SESSION["cart"][$product_id] = 1;
    }

    echo "ok";
  }
?>