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How to Filter Search Results Using tax_query for Custom Results

Snippets by IsItWP

Are you looking for a way to modify the search results based on a custom tax_query? While there’s probably a plugin for this, we have created a quick code snippet that you can use to filter search results using tax_query for custom results.

Instructions:

All you have to do is add this code to your theme’s functions.php file or in a site-specific plugin:

function search_filter_tax_query($query) {
    if ( $query->is_search ){
      $taxquery = array(
        array(
            'taxonomy' => 'some_taxonomy_name',
            'terms' => array( 12 ),
            'operator'=> 'IN'
        )
      );
      $query->set( 'tax_query', $taxquery );
    }
    return $query;
}
add_action( 'pre_get_posts', 'search_filter_tax_query' );

If you want more information about the available parameters, you can visit the WordPress Codex. From here, you can create some really complex results with some interesting rules.

Note: If this is your first time adding code snippets in WordPress, then please refer to our guide on how to properly add code snippets in WordPress, so you don’t accidentally break your site.

If you liked this code snippet, please consider checking out our other articles on the site like: 10 best WordPress survey plugins and how to easily create a multilingual WordPress website.

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