Support » Themes and Templates » Custom thumbnail size not showing for custom post type

  • I have a custom post type ‘rotator’ for a slideshow on a particular page.

    I’m using Featured Image for the slideshow and have enabled this in init.php (I’m using the Roots theme) and added a new size called ‘slider’.

    add_theme_support( 'post-thumbnails');
      set_post_thumbnail_size(150, 150, false);
      add_image_size('slider', 880, 280, true);

    Then I have a new WP_query to pull in the thumbnail and some custom meta (such as headers and things for the slideshow) as follows:

    ` <?php
    $rQuery = new WP_Query( array( ‘post_type’ => ‘base_rotator’ ) );
    while ( $rQuery->have_posts() ) : $rQuery->the_post();
    echo ‘<li>’;
    the_post_thumbnail($post->ID, ‘slider’);
    $main_header = get_post_meta($post->ID, ‘main_header’, true);
    if (!empty($main_header)) :
    echo ‘<h2>’.$main_header.'</h2>’;
    endif;
    $sub_header = get_post_meta($post->ID, ‘sub_header’, true);
    if (!empty($sub_header)) :
    echo ‘<h3>’.$sub_header.'</h3>’;
    endif;
    $cta_title = get_post_meta($post->ID, ‘cta-title’, true);
    $cta_link = get_post_meta($post->ID, ‘cta_link’, true);
    if (!empty($cta_link)) :
    echo ‘<a href=”‘.$cta_link.'” class=cta>’.$cta_title.'</a>’;
    endif;
    echo ‘</li>’;
    endwhile;
    ?>`

    Everything is working except that the image that is displayed is actually the fullsize version of the image, not the ‘slider’ thumbnail. I tried moving the size to pull in the regular 150×150 thumbnail but this also didn’t work.

    Any help much appreciated.

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