$name = $_REQUEST['name']; echo "Welcome, " . $name;
$username = $_REQUEST['username']; $password = $_REQUEST['password']; if ($username == "admin" && $password == "letmein") { echo "Welcome, admin!"; } else { echo "Invalid login credentials."; }
$name = $_REQUEST['name'] ?? "Guest"; echo "Welcome, " . $name;In this example, we retrieve the value of 'name' if it is set in the request. Otherwise, we set a default value of "Guest" and display a welcome message even if the user has not entered their name. Package library: No package library required. Overall, the getRequestParam() method is a useful function for retrieving input variables from a GET request in PHP. Since it is a built-in function in PHP, no external package libraries are required.