I have a Custom Field on a page named banner_id_list.

I have a Custom Post Type called top_banner. I add a few banners, note the IDs and then go back to the page and add a comma delimited list of IDs in the banner_id_list custom field.

In my template, the plan is to check the current posts meta using get_post_meta(). That should produce a list of IDs that I can then take and use in get_posts() with post__in = array() (see post__in).

Now on to the code, I'm missing something here but I'm a bit of a newb at this.

// get the banner_id_list based on the meta custom field for this page
$banner_id_list = get_post_meta($post->ID, 'banner_id_list', true);

If I dump that I see the expected data, a list of IDs I entered into the custom field.

Now for my query:

$args = array(
    'post_type' => 'top_banner',
    'post_status' => 'publish',
    'numberposts' => -1,        
    'order' => ASC,
    'orderby' => menu_order,
    'post__in' => array($banner_id_list)

 $banners = get_posts($args);

But there's something funky about using $banner_id_list here. It's only getting a single record. But if I manually enter values in place of that variable, it works properly.

I think it's something simple/fundamental I'm missing, hope someone can help!


If $banner_id_list holds comma-delimited list then to convert it to array instead of


you need to do

explode(',', $banner_id_list)
| improve this answer | |
  • 4
    or wp_parse_id_list (does some extra checks) – onetrickpony Jun 24 '11 at 20:54

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