MyListing - dynamically change taxonomies

/**
     * If a single MyListing term is detected, load filtered "Explore listing" page instead of default archive template
     *
     * @param array $query The query object.
     * @param array $old_query The original query array.
     *
     * @return array The new query array is being returned if the explore_tab property is present. Otherwise, the original query is returned.
     */
function bis_detect_archives( $query, $old_query ) {
    if ( function_exists( 'mylisting_custom_taxonomies' ) && empty( $_POST['submit_job'] ) ) {
        $explore_page_id = get_option( 'options_general_explore_listings_page', false );
        if ( empty( $explore_page_id ) ) {
            return $query;
        }

        $ml_query_vars = array(
            'case27_job_listing_tags' => array(
                'query_var' => 'explore_tag',
                'tab'       => 'tags'
            ),
            'region'                  => array(
                'query_var' => 'explore_region',
                'tab'       => 'regions'
            ),
            'job_listing_category'    => array(
                'query_var' => 'explore_category',
                'tab'       => 'categories'
            )
        );

        $ml_taxonomies = mylisting_custom_taxonomies();

        if ( ! empty( $ml_taxonomies ) && is_array( $ml_taxonomies ) ) {
            $ml_taxonomies = array_keys( $ml_taxonomies );

            foreach ( $ml_taxonomies as $taxonomy ) {
                $ml_query_vars[ $taxonomy ] = array(
                    'query_var' => "explore_{$taxonomy}",
                    'tab'       => $taxonomy
                );
            }
        }

        if ( ! empty( $query['taxonomy'] ) && in_array( $query['taxonomy'], array_keys( $ml_query_vars ) ) ) {
            $taxonomy_data = $ml_query_vars[ $query['taxonomy'] ];

            // 1. Set-up new query array variable
            $new_query = array(
                "page_id"                   => $explore_page_id,
                "explore_tab"               => $taxonomy_data['tab'],
                $taxonomy_data['query_var'] => $query['term']
            );
        }
    }

    return ( ! empty( $new_query["explore_tab"] ) ) ? $new_query : $query;
}
add_filter( 'permalink_manager_filter_query', 'bis_detect_archives', 1, 2 );