How to Set Currency Depending on the Language

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Have multi languages and multi currencies prestashop store ? I think you want to have auto select currencies when your visitors is select one language. Here is How to Set Currency Depending on the Language.

First in prestashop Back Office, find id for each currency and each language, after that

Find init.php at your prestashop folder, before the following code :
$currency = Tools::setCurrency();
Place below code :

if ($cookie->id_lang == 1){set $cookie->id_currency = 2;}else{set $cookie->id_currency = 4;}
Note: the id for languages and currencies above is just example, use your own id.