if (isset($_GET['username'])) { $username = $_GET['username']; echo "Welcome, $username!"; }
if (isset($_GET['id'])) { $id = $_GET['id']; $page_data = get_data_from_database($id); echo "$page_data['title']
"; echo "$page_data['content']
"; }
$page_id = isset($_GET['id']) ? $_GET['id'] : 1; $page_data = get_data_from_database($page_id); echo "In this example, the Input get function retrieves the value of the 'id' variable from the URL. If the 'id' variable is not set, it defaults to a value of 1. The retrieved value is then used to get data from a database to populate a webpage with content specific to that particular page. Package library: This code example may use a package library specific to the database being used.$page_data['title']
"; echo "$page_data['content']
";