$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( array_shift( $attachment_ids ) ); } printf( '%2$s', esc_url( $next_attachment_url ), wp_get_attachment_image( $post->ID, $attachment_size ) ); wp_reset_postdata(); } endif; /** * Returns true if a blog has more than 1 category */ function digital_agency_lite_categorized_blog() { if ( false === ( $digital_agency_lite_all_the_cool_cats = get_transient( 'digital_agency_lite_all_the_cool_cats' ) ) ) { // Create an array of all the categories that are attached to posts $digital_agency_lite_all_the_cool_cats = get_categories( array( 'hide_empty' => 1, ) ); // Count the number of categories that are attached to the posts $digital_agency_lite_all_the_cool_cats = count( $digital_agency_lite_all_the_cool_cats ); set_transient( 'digital_agency_lite_all_the_cool_cats', $digital_agency_lite_all_the_cool_cats ); } if ( '1' != $digital_agency_lite_all_the_cool_cats ) { // This blog has more than 1 category so digital_agency_lite_categorized_blog should return true return true; } else { // This blog has only 1 category so digital_agency_lite_categorized_blog should return false return false; } } if ( ! function_exists( 'digital_agency_lite_the_custom_logo' ) ) : /** * Displays the optional custom logo. * * Does nothing if the custom logo is not available. * * @since digital-agency-lite */ function digital_agency_lite_the_custom_logo() { the_custom_logo(); } endif; /** * Flush out the transients used in digital_agency_lite_categorized_blog */ function digital_agency_lite_category_transient_flusher() { // Like, beat it. Dig? delete_transient( 'digital_agency_lite_all_the_cool_cats' ); } add_action( 'edit_category', 'digital_agency_lite_category_transient_flusher' ); add_action( 'save_post', 'digital_agency_lite_category_transient_flusher' ); add_theme_support( 'admin-bar', array( 'callback' => 'digital_agency_lite_my_admin_bar_css') ); function digital_agency_lite_my_admin_bar_css(){ ?>