wp_link_pages: display current page number only if has multiple page breaks?
The $multipage is constructed inside the setup_postdata() method of WP_Query. It’s called when you run the_post(). So just as @s_ha_dum explained, you have to make a loop around it: You can try this: if( have_posts() ) { the_post(); // Make a call to setup_postdata(). echo sbwp_get_current_chapter(); // Display the current chapter. rewind_posts(); // Rewind back. … Read more