First, Please don’t use query_posts.. Second, you’ve set $category somewhere in code not posted and never change it. How do you expect it to be different? What you need to do is retrieve the categories, which isn’t that hard… $cq = new WP_Query(‘category__in=4′); while ( $cq->have_posts() ) { $cq->the_post(); $c = wp_get_object_terms($post->ID,’category’); var_dump($c); // echo … Read more
From the Codex: child_of (integer) Display all categories that are descendants (i.e. children & grandchildren) of the category identified by its ID. There is no default for this parameter. If the parameter is used, the hide_empty parameter is set to false. And… parent (integer) Display only categories that are direct descendants (i.e. children only) of … Read more
There are ways to write the code more efficiently, though not necessarily WordPress-specific. Only pass necessary args to your get_posts() calls The only critical args you need are posts_per_page and category; you can omit the rest Make an array of category IDs, and loop through the array Loop through an array of category IDs, so … Read more
I wrote a tutorial on Creating an Alphabetical Glossary of Posts but here are the most relevant parts. First create a hidden taxonomy for the letters of the alphabet // Add new taxonomy, NOT hierarchical (like tags) function kia_create_glossary_taxonomy(){ if(!taxonomy_exists(‘glossary’)){ register_taxonomy(‘glossary’,array(‘post’),array( ‘show_ui’ => false )); } } add_action(‘init’,’kia_create_glossary_taxonomy’); Then when any post is saved, save … Read more
categories and sub-categories of posts are wrongly saved in DB
Sure, you can restrict access to a tag with the following code: add_action(‘save_post’, ‘remove_tags_function’, 10, 2); function remove_tags_function( $post_id ){ if(!current_user_can(‘manage_options’)){ $post_tags = wp_get_post_terms( $post_id, ‘post_tag’, array( ‘fields’=>’names’ ) ); $pos = array_search( ‘ExclusiveContent’, $post_tags ); if( false !== $pos ) { unset( $post_tags[$pos] ); wp_set_post_terms ($post_id, $post_tags, ‘post_tag’); } } } So, with this … Read more
If you are looking to link the subcategory in your permalink only, here you go. Just check the child category only. Sub-category and category in permalink structure
Add wp_reset_postdata(); after each loop, if you use your custom query, you should use wp_reset_query();
Have you use wp_list_categories() function? It will help you show a list of categories easily!
Yes, there is such way. To be precise, there are many ways to accomplish that. You can add ‘Category’ page. Make sure that its slug is set to ‘category’. If you go to example.com/category/ then this page will be shown. If there were no custom changes to rewrite rules, then WordPress will first try to … Read more