I have a loop to show my custom post type of 'case_studies'. It originally showed all posts until I wanted to just show 3 specific posts. The problem is that it only shows the first post in my list of 'p=54,49,44'. What am I doing wrong?

$case_studies = new WP_Query();
                $count = 0; 
                while($case_studies->have_posts()) : $case_studies->the_post(); $count++;
                    $custom = get_post_custom($post->ID);
                    $case_studies_image_url = $custom['second_image'][0];
  • p parameter is for single post selection(just a specific one), if you need a group use post__in as suggested by Steve.
    – t31os
    Feb 4, 2011 at 12:14

1 Answer 1


I think you need to change:



$case_studies->query_posts( array( 'post__in' => array( 54, 49, 44 ) ) );

I'd look at this page for LOTS more examples. http://codex.wordpress.org/Function_Reference/query_posts. when your there search for "Multiple Posts/Pages Handling".

Hope this helps, I'm still new to wordpress.

  • You should really use get_posts() instead of query_posts(). "The query_posts() function is intended to be used to modify the main page loop only. It is not intended as a means to create secondary loops on the page. If you want to create separate Loops outside of the main one, you should use get_posts() instead. Use of query_posts() on loops other than the main one can result in your main loop becoming incorrect and possibly displaying things that you were not expecting." (codex.wordpress.org/Function_Reference/…) Feb 4, 2011 at 4:42
  • 2
    There is no WP_Query->query_posts() method, you are confusing it with query_posts() function. $case_studies->query() is correct.
    – Rarst
    Feb 4, 2011 at 6:29
  • 1
    @Steve Fischer - Nice answer. Feb 4, 2011 at 6:36
  • @Rarst & @MikeSchinkel I appologize. I mis-typed. I think I meant $case_studies = query_posts(..... Feb 4, 2011 at 14:12
  • @Steve Fischer your advice on post__in is accurate, but query_posts() is unfitting for secondary loop - WP_Query object as in question or get_posts() as per @tnorthcutt comment are appropriate.
    – Rarst
    Feb 4, 2011 at 14:42

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