How can I add category variable inside posts?
You can use get_the_category_list(), which returns a list of categories assigned to the post (each category in the list links to the category archive): printf( ‘<span class=”posted-on”>last updated on %1$s</span><span class=”byline”> <i class=”fa fa-user”></i> %2$s</span> in %3$s’, sprintf( ‘<a href=”https://wordpress.stackexchange.com/questions/338246/%1$s” rel=”bookmark”>%2$s</a>’, esc_url( get_permalink() ), $time_string ), sprintf( ‘<span class=”author vcard”><a class=”url fn n” href=”https://wordpress.stackexchange.com/questions/338246/%1$s”>%2$s</a></span>’, esc_url( … Read more