Format currency in users locale

includes/currency_formatter.php

@@ -0,0 +1,20 @@
+<?php
+
+final class CurrencyFormatter
+{
+    private static $instance;
+
+    private static function getInstance()
+    {
+        if (self::$instance === null) {
+            self::$instance = new NumberFormatter(Locale::acceptFromHttp($_SERVER['HTTP_ACCEPT_LANGUAGE']), NumberFormatter::CURRENCY);
+        }
+
+        return self::$instance;
+    }
+
+    public static function format($amount, $currency)
+    {
+        return self::getInstance()->formatCurrency($amount, $currency);
+    }
+}

includes/header.php

@@ -2,6 +2,7 @@
   require_once 'connect.php';
   require_once 'checkuser.php';
   require_once 'checksession.php';
+  require_once 'currency_formatter.php';
 
   if ($userCount == 0) {
     $db->close();

includes/list_subscriptions.php

@@ -54,7 +54,7 @@
         }
     }
 
-    function printSubscriptons($subscriptions, $sort, $categories, $members) {
+    function printSubscriptions($subscriptions, $sort, $categories, $members) {
         if ($sort === "price") {
             usort($subscriptions, function($a, $b) {
                 return $a['price'] < $b['price'] ? 1 : -1;
@@ -89,7 +89,7 @@
                     <span class="next"><?= $subscription['next_payment'] ?></span>
                     <span class="price">
                     <img src="<?= $subscription['payment_method_icon'] ?>" title="Payment Method: <?= $subscription['payment_method_name'] ?>"/>
-                    <?= $subscription['price'] ?><?= $subscription['currency'] ?>
+                    <?= CurrencyFormatter::format($subscription['price'], $subscription['currency_code']) ?>
                     </span>
                     <span class="actions">
                     <button class="image-button medium" onClick="openEditSubscription(event, <?= $subscription['id'] ?>)" name="edit">