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I've seen dozens of similar but not quite the same questions - It seems easy enough to do a wp_query and get a listing of posts in a given CPT, and sort by a given taxonomy term. However, what i can't seem to figure out or find info on is how to sort via the current page's tax term.

To explain further:

I have a CPT of "Proposals" each proposal can be categorized as part of the taxonomy of "Packages" On each proposal page, i want a list of links to the other proposals that share this given page's same tax-term.

eg. Proposal 1, 2 & 3, are in Package A. When i'm on any of these proposals, I should see links to the other two proposals listed.

I'm guessing i'm just one step away but i've been banging my head against this for a day - much thanks in advance.

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1 Answer 1

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You can get the Packages of the current Proposal using wp_get_object_terms() and then pass some/all of those into a WP_Query.

$terms = wp_get_object_terms( $post_id, 'packages', array( 'fields' => 'ids' ) );
$args = array(
    'post_type' => 'proposals',
    'tax_query' => array(
        array(
            'taxonomy' => 'packages',
            'terms' => $terms
        )
    ),
);
$related = new WP_Query( $args );

If the current Proposal has multiple Packages, this will return a list of Proposals in any of those Packages. You can add 'operator' => 'AND' to the WP_Query $args to restrict it to only Proposals in all the same Packages.

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  • Thanks for this - though so far it's not returning anything. If i remove the arg for tax_query, it'll return the full list of proposals, so i know that is working. However, with the tax_query, its pulling nothing - I'm ran print_r on $terms and it's returned an empty array. So it doesn't look like something is working within wp_get_objects_terms. To give you a bit more information - i'm attempting to run this query on a single-proposal.php page - before the main loop. (which shouldn't matter since i'm running a full wp_query w/ a reset. I'm wondering if $post_id needs to be different?
    – Tanmccuin
    Feb 21, 2015 at 15:56
  • Ok replaced $post_id with $post->ID and now i'm returning an array.
    – Tanmccuin
    Feb 21, 2015 at 16:03
  • However, wp_query is still returning empty. Something perhaps with the 'terms' => $terms?
    – Tanmccuin
    Feb 21, 2015 at 16:10
  • Ok i was actually able to figure it all out via this explaination - wordpress.stackexchange.com/questions/2649/…
    – Tanmccuin
    Feb 21, 2015 at 16:20
  • It' seems we might have been leaving out one step - in parsing the terms via get_objects_in_term
    – Tanmccuin
    Feb 21, 2015 at 16:20

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