get_posts() not working in functions.php

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If I use the following function in any theme template, it works as expected. However when trying to use it within an AJAX function in my functions.php, it returns empty. 

$args = array (
        'numberposts' => 10,
        'post_type' => array('topic','reply'),
        'author' => 454
    );
$user_posts = get_posts($args);

Any ideas?

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Here is the full function: 

function he_delete_user(){

    $args = array (
        'numberposts' => 10,
        'post_type' => array('topic','reply'),
        'author' => 454
    );
    $user_posts = get_posts($args);

    if (empty($user_posts)){
        $response_array['status'] = 'false';    
        echo json_encode($response_array);
    }
    else{
        // delete all the user posts
        foreach ($user_posts as $user_post) {
            wp_delete_post($user_post->ID, true);
        }
        $response_array['status'] = 'success';    
        echo json_encode($response_array);
    }
}
add_action('wp_ajax_he_delete_user','he_delete_user');
Post Views: 1

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1 comment

  1. This is a bandaid, not a fix. But it seems there is a bug within WP_Query, so I had to modify the query right before it was actually run in order for the post_type parameter to not be ignored.

    1) I changed get_posts() to a WP_Query

    2) I added this to my functions.php file:

    function ban_parse_wp_query( $query ) {
    $query->set( 'post_type', array('topic','reply') );
    return $query;
}

    3) Then I modified the query with that action right before it was run and then remove the action right after so it would not affect any other queries:

    add_filter( 'pre_get_posts', 'ban_parse_wp_query' );
$user_posts = new WP_Query($args);
remove_filter( 'pre_get_posts', 'ban_parse_wp_query' );

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