First of all, we never call one controller function into another. The controller is not for writing multiuse function if you want to call a function then try using either block or a helper. Since Helper is deprecated in Magento 2.3.6 you can use viewModel.
If you want to use a block then you have to override the existing block which is used on the checkout ...
1. Set your symbol currency from admin settings
Store -> Currency -> Currency Symbols
As per you question try below code
$currency = $_objectManager->create('Magento\Directory\Model\CurrencyFactory')->create()->load($currencyCode);
$currencySymbol = $currency->getCurrencySymbol();
As per your requirement,
Add this code in php file at ...
For product attributes to be available in GraphQL, is_user_defined has to be true AND at least one of the following:
Additionally, if the ...
I figured it out running this in mysql
UPDATE `catalog_product_option_type_title` a JOIN `catalog_product_option_type_title` b ON a.option_type_id = b.option_type_id SET b.title = 'Big-Dimmable' WHERE a.title = 'little-dimmable'