If you have ever looked at the address bar of an online store, you have seen a URL like this: https://www.example.com/product.php?id=1
product.php?slug=red-cotton-t-shirt
$id = $_GET['id']; $sql = "SELECT * FROM products WHERE id = $id";
If you have ever looked at the address bar of an online store, you have seen a URL like this: https://www.example.com/product.php?id=1
product.php?slug=red-cotton-t-shirt
$id = $_GET['id']; $sql = "SELECT * FROM products WHERE id = $id";