<?php
require_once 'app/Mage.php';  
umask(0);  
Mage::app('default');
 
try{
	//début du code
	$sum = 90.95;
	echo Mage::app()->getStore()->getBaseCurrency()->format($sum, array(), true);
}catch (Exception $e){
	die($e->getMessage());
}
?>