function fetch_oeuvre_content() {
    // Check nonce for security
    check_ajax_referer('ajax_nonce', 'nonce');

    $oeuvreId = sanitize_text_field($_POST['oeuvre']);
    $previousoeuvreId = sanitize_text_field($_POST['poeuvre']);
    $nextoeuvreId = sanitize_text_field($_POST['noeuvre']);
    $masonryId = sanitize_text_field($_POST['masonry']);

    $post = get_post($oeuvreId);
    if (!empty($post)) {
        $post_id = $post->ID;

        $content = do_shortcode("[jmpeynetoeuvre pid='".$post_id."' previous_id='".$previousoeuvreId."' next_id='".$nextoeuvreId."' masonry_id='".$masonryId."']"); // Get the content and apply content filters

        // Prepare and send JSON response
        wp_send_json(array(
            'content' => $content
        ));
    } else {
        echo 'Definition not found.';
    }
    wp_die(); // This is required to terminate immediately and return a proper response
}
add_action('wp_ajax_fetch_oeuvre_content', 'fetch_oeuvre_content');
add_action('wp_ajax_nopriv_fetch_oeuvre_content', 'fetch_oeuvre_content');