$post->post_parent, 'fields' => 'ids', 'numberposts' => -1, 'post_status' => 'inherit', 'post_type' => 'attachment', 'post_mime_type' => 'image', 'order' => 'ASC', 'orderby' => 'menu_order ID', ) ); // If there is more than 1 attachment in a gallery... if ( count( $attachment_ids ) > 1 ) { foreach ( $attachment_ids as $attachment_id ) { if ( $attachment_id == $post->ID ) { $next_id = current( $attachment_ids ); break; } } // get the URL of the next image attachment... if ( $next_id ) { $next_attachment_url = get_attachment_link( $next_id ); } // or get the URL of the first image attachment. else { $next_attachment_url = get_attachment_link( reset( $attachment_ids ) ); } } printf( '%2$s', esc_url( $next_attachment_url ), wp_get_attachment_image( $post->ID, $attachment_size ) ); } endif; if ( ! function_exists( 'basetheme_fnc_list_authors' ) ) : /** * Print a list of all site contributors who published at least one post. * * @since Basee 1.0 */ function basetheme_fnc_list_authors() { $contributor_ids = get_users( array( 'fields' => 'ID', 'orderby' => 'post_count', 'order' => 'DESC', 'who' => 'authors', ) ); foreach ( $contributor_ids as $contributor_id ) : $post_count = count_user_posts( $contributor_id ); // Move on if user has not published a post (yet). if ( ! $post_count ) { continue; } ?>