CMS-CSE/core/submit/cms.authenticator.php

<?php
if (core::ifPost("from") and core::getPost("from") == "authenticator") {
    $result = user::checkGoogleAuthenticator(core::getPost("email"));

    // Retourner du JSON valide pour la requête AJAX
    header('Content-Type: application/json');
    echo json_encode([
        'authenticator' => (int)$result,
        'required' => ($result == 1)
    ]);
}