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Wordpress Ajax custom taxonomy

i currently have a wordpress with a custom post type and a custom taxonomy attached to this. ( jobs_category ).

I have the build listing out the categories from this taxonomy like so:

  $taxonomy = 'jobs_category';
  $tax_terms = get_terms($taxonomy);
  foreach ($tax_terms as $tax_term) {?>
    <li id="cat-<?php echo $tax_term->term_id; ?>">
     <a href="#<?php //echo esc_attr(get_term_link($tax_term, $taxonomy)); ?>" class="<?php echo $tax_term->slug; ?> ajax" onclick="cat_ajax_get('<?php echo $tax_term->term_id; ?>');" title="<?php echo $tax_term->name;?>"><?php echo $tax_term->name; ?></a>
  <? } ?>

I have then used the following in my functions file:

    add_action( 'wp_ajax_nopriv_load-filter', 'prefix_load_cat_posts' );
add_action( 'wp_ajax_load-filter', 'prefix_load_cat_posts' );
function prefix_load_cat_posts () {
    $cat_id = $_POST[ 'cat' ];
         $args = array (
        'cat' => $cat_id,
        'posts_per_page' => 10,
        'order' => 'DESC'


    $posts = get_posts( $args );

    ob_start ();

    foreach ( $posts as $p ) { ?>

    <div id="post-<?php echo $post->ID; ?>">
        <h1 class="posttitle"><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h1>

        <div id="post-content">
        <?php the_excerpt(); ?>


   <?php } wp_reset_postdata();

   $response = ob_get_contents();

   echo $response;

To do the AJAX with the following JS:

function cat_ajax_get(catID) {
    jQuery("a.ajax").addClass("current"); //adds class current to the category menu item being displayed so you can style it with css
    var ajaxurl = '/wp-admin/admin-ajax.php';
        type: 'POST',
        url: ajaxurl,
        data: {"action": "load-filter", cat: catID },
        success: function(response) {
            return false;

My question is how do i get it to use the custom taxonomy categories? Im not 100% sure because i've never done it before.

Any help would be great.


like image 345
andy jones Avatar asked Mar 19 '23 11:03

andy jones

1 Answers

You have to use tax_query instead of cat. While category is used for native Wordpress taxonomy, so it won't work for custom taxonomies.

Replace your array $args to this:

$args = array (
    'tax_query' => array(
            'taxonomy' => 'jobs_category',
            'field' => 'term_id',
            'terms' => array( $cat_id )
    'post_type' => 'jobs', // <== this was missing
    'posts_per_page' => 10,
    'order' => 'DESC'
like image 181
Rahil Wazir Avatar answered Mar 28 '23 23:03

Rahil Wazir