SwissQR: add Sprain\SwissQrBill and dependencies

htdocs/includes/symfony/intl/Data/Bundle/Writer/JsonBundleWriter.php

@@ -0,0 +1,39 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Intl\Data\Bundle\Writer;
+
+/**
+ * Writes .json resource bundles.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @internal
+ */
+class JsonBundleWriter implements BundleWriterInterface
+{
+    public function write(string $path, string $locale, mixed $data)
+    {
+        if ($data instanceof \Traversable) {
+            $data = iterator_to_array($data);
+        }
+
+        array_walk_recursive($data, function (&$value) {
+            if ($value instanceof \Traversable) {
+                $value = iterator_to_array($value);
+            }
+        });
+
+        $contents = json_encode($data, \JSON_PRETTY_PRINT | \JSON_UNESCAPED_UNICODE)."\n";
+
+        file_put_contents($path.'/'.$locale.'.json', $contents);
+    }
+}