I need to rename images uploaded by the user when they post on my site.

I have a code that works perfectly to save the image and make it part of the post. But I want the images to be renamed to have the title of the post in their filename.

The code I have:

require_once( ABSPATH . 'wp-admin/includes/image.php' );
require_once( ABSPATH . 'wp-admin/includes/file.php' );
require_once( ABSPATH . 'wp-admin/includes/media.php' );
$img_id01 = media_handle_upload( 'img_main', $postID );
update_post_meta($postID, 'img_id01', $img_id01);