if get_post_meta do something

If you mean you don’t want the <div class=”phone-num”> to appear at all, here’s how: <?php $phone_number = get_post_meta(get_the_ID(), ‘_custom_product_number_field’, true ); if ( ! empty( $phone_number ) ) : ?> <div class=”phone-num”> Phone: <?php echo $phone_number; ?> </div> <?php endif; ?>