Changer des données d’un article en fonction de champs ACF (titre, image)

/**
 * Plugin Name: Featured Image from ACF field
 * Version: 1.0
 * Description:  The featured image of the post is feed by the ACF Field 'image_spectacle' 
 * Author: Mraj 
 * Author URI: https://www.softaox.info/advanced-custom-fields-set-image-field-as-post-featured-image/
 */
  
add_action('acf/save_post', function ($post_id) {
    $value = get_field('image_spectacle', $post_id);
    if ($value) {
        if (!is_numeric($value)) {
            $value = $value['ID'];
        }
        update_post_meta($post_id, '_thumbnail_id', $value);
    } else {
        delete_post_meta($post_id, '_thumbnail_id');
    }
}, 11);

// ***********Titre du post donné par champs ACF*********************************************
/**
* Generate post title and post slug from ACF single value fields
*
*/

add_action('acf/save_post', 'my_acf_save_post', 5);
function my_acf_save_post( $post_id ) {

    $post_title = 'My default title';
    $slug = 'my-default-slug';

    // Check if a specific field value was updated.
    // Replace field_key with the actual field keys of the fields
    if( isset($_POST['acf']['field_631ef8825133e'])) {
        
        // Replace field_key with keys of the fields needed to generate title
        $post_title = $_POST['acf']['field_631ef8825133e'];
        $slug = sanitize_title( $post_title );
    }

    // Grab Post Data from the Form
    $post = array(
        'ID'           => $post_id,
        'post_title'   => $post_title,
        'post_name'    => $slug,
    );

    // Update the Post
    wp_update_post( $post );
}