SwissQR: add Sprain\SwissQrBill and dependencies

htdocs/includes/symfony/intl/Data/Bundle/Reader/PhpBundleReader.php

@@ -0,0 +1,40 @@
+<?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\Reader;
+
+use Symfony\Component\Intl\Exception\ResourceBundleNotFoundException;
+
+/**
+ * Reads .php resource bundles.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ *
+ * @internal
+ */
+class PhpBundleReader implements BundleReaderInterface
+{
+    public function read(string $path, string $locale): mixed
+    {
+        $fileName = $path.'/'.$locale.'.php';
+
+        // prevent directory traversal attacks
+        if (\dirname($fileName) !== $path) {
+            throw new ResourceBundleNotFoundException(sprintf('The resource bundle "%s" does not exist.', $fileName));
+        }
+
+        if (!is_file($fileName)) {
+            throw new ResourceBundleNotFoundException(sprintf('The resource bundle "%s" does not exist.', $fileName));
+        }
+
+        return include $fileName;
+    }
+}