warningoverflow

 function custom_pre_get_posts_query( $q ) {     $tax_query = (array) $q->get( 'tax_query' );     $tax_query[] = array(            'taxonomy' => 'product_cat',            'field' => 'slug',            'terms' => array( 'buster' ), // Don't display products in the clothing category on the shop page.            'operator' => 'NOT IN'     );     if(is_shop()){     $q->set( 'tax_query', $tax_query );   }else{     return;   }      } add_action( 'woocommerce_product_query', 'custom_pre_get_posts_query' );