Paging doesn't work?

Question

I have my own custom post type, and 15 items there.

This code shows all the items:

<?php   $loop = new WP_Query( array( 'post_type' => 'my_post_type', 'posts_per_page' => 15 ) );
  while ( $loop->have_posts() ) : $loop->the_post(); ?>
(...)

When I change posts_per_page to "5" there should be 3 pages, but it displays only 5 items and there are no other pages (or at least I don't know how to access them).

This code displays nothing:

<?php if (  $wp_query->max_num_pages > 1 ) : ?>
  {menu or any html code}
<?php endif; ?>

Maybe I do something wrong? I have the whole code/loop in page-myposttype.php file.

I've tried this code:

   $temp = $wp_query;
    $loop= null;
    $paged = get_query_var('paged') ? get_query_var('paged') : 1;
    $loop = new WP_Query( array( 
    'post_type' => 'my_post_type',   
    'paged' => $paged, 
    'posts_per_page' => 2 ) );
        while ( $loop->have_posts() ) : $loop->the_post(); ?>

But no luck... When I type wordpress/my_post_type/page/2 (page/3 etc.) manually I see other pages and they work & look fine. But I'm unable to echo the default navi... :(

Answer 1

Answered a question that's virtually identical to this very recently on the WordPress.org forums.

Custom Post Type Archive Page - Pagination Isn't Working

I've provided a work-around / fix in that thread that should also work for you to.

:)

EDIT: You also need to add the paging parameter to your query..

Eg.

$args = array( 
    'post_type' => 'my_post_type', 
    'paged' => get_query_var('paged') ? get_query_var('paged') : 1,
    'posts_per_page' => 15, 
);
$loop = new WP_Query;
$loop->query( $args );

I reformatted the code to make it a little more readable, end result will be the same.