when i go to wp customizer then i want edit the name popular and cat_id =21
div class="p_list"h2spanpopular/span/h2
?php $first = true; ? ?php $cat_id = 21;
$latest_cat_post = new WP_Query( array('posts_per_page' = 4, 'category__in' = array($cat_id)));
if( $latest_cat_post-have_posts() ) : while( $latest_cat_post-have_posts() ) : $latest_cat_post-the_post(); ?
The customizer, as it is mostly for style settings.
If you want to make a heading dynamic then you could create a custom field. Then echo that into the page or post template using the get_post_meta function, and wrap it in whatever HTML tags you wish.
Hope this helps!
check these out:
https://wordpress.org/support/article/custom-fields/
https://wordpress.org/support/article/custom-fields/#displaying-custom-fields
Or you could try these plugins:
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