How can PHP handle multiple URLs for redirection and ensure that the correct one is selected based on user interaction?

To handle multiple URLs for redirection in PHP and ensure the correct one is selected based on user interaction, you can use conditional statements or a switch case to determine which URL to redirect to based on the user's input or behavior.

$user_interaction = $_GET['interaction'];

switch ($user_interaction) {
    case 'option1':
        header('Location: http://example.com/page1');
        break;
    case 'option2':
        header('Location: http://example.com/page2');
        break;
    default:
        header('Location: http://example.com/default');
        break;
}