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1. richarduk
   Member
   Posted 10 months ago #

   Latest version WP (2.7)

   Problem - two loops, the second loop mustn't show any of the posts from the first loop.

   I've read the codex http://codex.wordpress.org/The_Loop and to be honest when it deals with this problem it's either just plain wrong or it's muddled. It repeats itself impossibly

   To fix the problem replace
   
   <?php if (have_posts()) : while (have_posts()) :
   the_post(); if( $post->ID == $do_not_duplicate ) continue;
    update_post_caches($posts); ?> 
   
    Then replace
   
   <?php if (have_posts()) : while (have_posts()) :
    the_post(); if( $post->ID == $do_not_duplicate ) continue;
    update_post_caches($posts); ?>

   EDIT: Think I've got it working

2. richarduk
   Member
   Posted 10 months ago #

   Okay, here's how it should be - the codex was definitely muddled. I've made it look a bit simpler for noobs like me.

   FIRST LOOP
   
    <?php $my_query = new WP_Query('cat=3&showposts=12');
   if (have_posts()) : while ($my_query->have_posts()) : $my_query->the_post();
     $do_not_duplicate[] = $post->ID;?>
       <!-- Do stuff... -->
    <?php endwhile; ?>
   <?php else : ?>
   <h2>You forgot to create any posts !</h2>
   <?php endif; ?>    
   
   SECOND LOOP
   
   <?php query_posts('order=DESC&showposts=100&cat=3'); ?>
   <?php if (have_posts()) : while (have_posts()) : the_post();
   if($post->ID == $do_not_duplicate[0] ||
   $post->ID == $do_not_duplicate[1] ||
   $post->ID == $do_not_duplicate[2] ||
   $post->ID == $do_not_duplicate[3] ||
   $post->ID == $do_not_duplicate[4] ||
   $post->ID == $do_not_duplicate[5] ||
   $post->ID == $do_not_duplicate[6] ||
   $post->ID == $do_not_duplicate[7] ||
   $post->ID == $do_not_duplicate[8] ||
   $post->ID == $do_not_duplicate[9] ||
   $post->ID == $do_not_duplicate[10] ||
   $post->ID == $do_not_duplicate[11] ||
   $post->ID == $do_not_duplicate[12] ||
   $post->ID == $do_not_duplicate[13] ||
   $post->ID == $do_not_duplicate[14] ||
   $post->ID == $do_not_duplicate[15] ||
   $post->ID == $do_not_duplicate[16]
   ) continue; update_post_caches($posts); ?> 
   
    <!-- Do stuff... -->
   <?php endwhile; ?>
   <?php else : ?>
   <h2>You forgot to create any posts !</h2>
   <?php endif; ?>

   What I would like to know is if there's any way the second loop can be simplified when it comes to preventing posts within the $do_not_duplicate array from appearing?

   I want to show a hundred posts (at least) in multiple categories (not text posts - thumbnail images, using custom fields).

   Any ideas?

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