Sort custom field by post

2 comments

1. Here’s a loop that pulls all your post with the custom field key “Country”…

   <?php
   $countryPosts = new WP_Query();
   $countryPosts->query('meta_key=country');
   ?>
   <?php while ($countryPosts->have_posts()) : $countryPosts->the_post(); ?>
   CONTENT STUFF HERE
   <?php endwhile; ?>
   

   Now to order that you can add order=ASC or order=DESC so this line reads:

   $countryPosts->query('meta_key=country&order=ASC');

   Here’s the loop that will show all the post that have the custom field filled out for a specific country, in this example, Japan:

   <?php
   $countryPosts = new WP_Query();
   $countryPosts->query('meta_key=country&meta_value=japan');
   ?>
   <?php while ($countryPosts->have_posts()) : $countryPosts->the_post(); ?>
   CONTENT STUFF HERE
   <?php endwhile; ?>
   

   Update: After re-reading your question I realized I may not fully understand what you are trying to do correctly. The above code will let you display posts from a specific country but it won’t show that “archives” type navigation box. From the sound of it, you may want to create a custom taxonomy for countries rather than using a custom field. This will make it a lot easier to interact with the posts based on the Country.

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2. Instead of using a custom field, you should add a custom taxonomy. You can query posts by taxonomy then.

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