} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$redirect_uri = verifyUrlParameter($_POST, 'redirect_uri');
$client_id = verifyUrlParameter($_POST, 'client_id');
} else if ($_SERVER['REQUEST_METHOD'] == 'POST') {
$redirect_uri = verifyUrlParameter($_POST, 'redirect_uri');
$client_id = verifyUrlParameter($_POST, 'client_id');