I have several custom type posts which I already filtered using WP Query.

From that list, I am trying to filter the posts that have a specific Custom Field value.

I tried using a meta_query, but the problem is that the select value does not exist yet. It only exists once the query has finished. I already have the select value stored in a variable.

$args = array(
    'post_type' => array(
    'meta_query' => array(
            'key' => 'owner',
            //'value' => $currentSignedUser,
            //'value' => 'Owner'

$query = new WP_Query( $args );

echo '<h5>List of owned stuff: </h5><br />';

while($query->have_posts()) :
    <p><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a> <br />
    $owner_select = get_field('owner');

    if ($owner_select) {
        echo 'Owner: ' . $owner_select[display_name];
    } else{
        echo '<p style="color:darkred"><strong>No associated owner for this item.</strong></p>' ;
    ?> </p>

How can I filter the first query results with another query? Would this be the correct way or is it another method?


  • Can you provide more context as your question is a little confusing, the title implies something involving pre_get_posts, but it sounds like you want to take the results of your query and find a subset of them at a later time, but if I take your question literally it doesn't say that
    – Tom J Nowell
    Commented Nov 7, 2016 at 21:34
  • I updated your code to be more readable by using coding standards and consistent indenting, but your loop should have an if ( $query->have_posts() ) check, should call wp_reset_postdata not wp_reset_query ( reset query is only to be used when cleaning up after a query_posts call ), and it should only call wp_reset_postdata if there are posts to cleanup ( aka if $query->the_post() was called )
    – Tom J Nowell
    Commented Nov 7, 2016 at 21:40
  • I am not very well versed on Wordpress lingo, but I guess that's exactly what I want to do: filter a subset of my query results using a meta_query that filters with the value of a custom field selector.
    – MauF
    Commented Nov 8, 2016 at 2:24
  • BTW, I was following this tutorial: premium.wpmudev.org/blog/mastering-wp-query. Where can I read more about the changes you suggested, @TomJNowell? Thanks.
    – MauF
    Commented Nov 8, 2016 at 13:33
  • It's rare that people would take a WP_Query object, and then perform additional querying on stuff that's already been queried. Instead take the data/results it retrieved and create a second query. The other changes I suggested are all self explanatory, ask a question on the site if you need more detail
    – Tom J Nowell
    Commented Nov 8, 2016 at 15:38

1 Answer 1


I solved my problem re-reading ACF's custom fields documentation.

Instead of meta_query, I should've used meta_key.

The correct argument for a custom field is:

// args
$args = array(
    'numberposts'   => -1,
    'post_type'     => 'event',
    'meta_key'      => 'location',
    'meta_value'    => 'Melbourne'

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