I am trying to query multiple category in wordpress but no luck, I don’t see anything wrong with my code.

Herewith my code below :


  while ($wp_query->have_posts()) : $wp_query->the_post(); 

  get_template_part('loop', 'single-home');


Use like this

query_posts( array( 'category__in' => array(5,1), 'posts_per_page' => 1, 'orderby' => 'title', 'order' => 'ASC' ) );


$my_query = new WP_query(array('category__and' => array(5,1))); 
while ($my_query->have_posts()) : $my_query->the_post(); 
  • it alright the first one it working – Jono Oct 6 '14 at 10:10
  • if my answer helps you then please accept it as the answer by clicking the tick symbol – Zammuuz Oct 6 '14 at 10:13

First of all, never use query_posts

Note: This function isn't meant to be used by plugins or themes. As explained later, there are better, more performant options to alter the main query. query_posts() is overly simplistic and problematic way to modify main query of a page by replacing it with new instance of the query. It is inefficient (re-runs SQL queries) and will outright fail in some circumstances (especially often when dealing with posts pagination).

You should rather use WP_Query to create custom queries

Secondly, your problem is your posts_per_page parameter. That is set to 1. What this means is that one post will be retrieved which will come from either cat 1 or cat 5, depending which post is the newest between the two cats. You have to increase 1 to retrieve more posts, set 1 to -1 to retrieve all posts from these two categories.

You can also remove the posts_per_page parameter and replace it with nopaging=true to retrieve all posts.

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