function wp_modify_uploaded_file_names($image_name) { // Get the parent post ID, if there is one if( isset($_GET[‘post_id’]) ) { $post_id = $_GET[‘post_id’]; } elseif( isset($_POST[‘post_id’]) ) { $post_id = $_POST[‘post_id’]; } // Only do this if we got the post ID–otherwise they’re probably in // the media section rather than uploading an image from a post. if(is_numeric($post_id)) { // Get the post slug $post_obj = get_post($post_id); $post_slug = $post_obj->post_name; // If we found a slug if($post_slug) { $random_number = rand(1,9999); $image_name[‘name’] = $post_slug . ‘-‘ . $random_number . ‘.jpg’; } } return $image_name; }

---