WordPress Version: 6.1
/**
* Determines whether revisions are enabled for a given post.
*
* @since 3.6.0
*
* @param WP_Post $post The post object.
* @return bool True if number of revisions to keep isn't zero, false otherwise.
*/
function wp_revisions_enabled($post)
{
return wp_revisions_to_keep($post) !== 0;
}