Тимур Нигметов

add_filter('woocommerce_get_regular_price', 'return_custom_price', $product, 2);
add_filter('woocommerce_get_sale_price', 'return_custom_price', $product, 2);
add_filter('woocommerce_order_amount_item_subtotal', 'return_custom_price', $product, 2);
add_filter('woocommerce_get_price', 'return_custom_price', $product, 2);
function return_custom_price($price, $product)
{
    global $post, $woocommerce;
    $post_id = $product->id;
    $user_city = $_COOKIE["remember_select"];
    $get_user_currency = strtolower($user_city . '_price');
    if ($get_user_currency != '') {
        switch ($user_city) {
            case 'gorod0':

                $new_price = get_post_meta($post_id, 'gorod0', true);
                break;
            case 'gorod1':

                $new_price = get_post_meta($post_id, 'gorod1', true);
                break;
            case 'gorod2':

                $new_price = get_post_meta($post_id, 'gorod2', true);
                break;
           
        }

        if ($new_price == '') {
            $new_price = $price;
        }
    }
    return $new_price;
}