更改商城列数

/**
 * WooCommerce Extra Feature
 * --------------------------
 *
 * Change product columns number on shop pages
 *
 */
function woo_product_columns_frontend() {
    global $woocommerce;
 
    https:// Default Value also used for categories and sub_categories
    $columns = 4;
 
    https:// Product List
    if ( is_product_category() ) :
        $columns = 4;
    endif;
 
    https://Related Products
    if ( is_product() ) :
        $columns = 2;
    endif;
 
    https://Cross Sells
    if ( is_checkout() ) :
        $columns = 4;
    endif;
 
  return $columns;
}
add_filter('loop_shop_columns', 'woo_product_columns_frontend');

在哪里添加此代码？

将PHP代码放在主题或子主题functions.php文件的底部。