/** * Sample link is http://www.yourserver.com/confirm.php?id={id} * {id} tag will automatically be replaced by the real submission id when * the email notifications are fired. */ function confirmSubmission() { // Your (full-access) JotForm API Key for this application $apiKey = '6a912a693094ac1696f65e93d89b3e3a'; // Submission ID passed from the confirmation link $subID = $_GET['id']; // Question ID for the field designated as the 'confirmed' flag $questionID = '3'; // Value assigned to a verified submission $confirmValue = 'Yes'; $jotformAPI = new JotForm($apiKey); $result = $jotformAPI->editSubmission($subID, array($questionID => $confirmValue)); if (!is_array($result)) { var_dump($result); } }