In this tutorial, we show how to disable currencies in the front office. Imagine that you have 2 currencies in back office, but you only want to show 1 currency in the backoffice.
The currencies are EUR and ARS as example.
You need to open the modules/blockcurrencies/blockcurrencies.tpl, or check if you have the file in your theme folder themes/yourthemename/blockcurrencies/blockcurrencies.tpl
The original code must looks like this (in PS 1.6)
The variable that contains the ID of the currenci is $f_currency.id_currency, so we can use an IF statment to show only 1 currency adding:
Where 1 is the ID of the currency to show.