--- /dev/null
+<?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\Translation\Loader;
+
+use Symfony\Component\Translation\MessageCatalogue;
+
+/**
+ * ArrayLoader loads translations from a PHP array.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ArrayLoader implements LoaderInterface
+{
+ /**
+ * {@inheritdoc}
+ */
+ public function load($resource, $locale, $domain = 'messages')
+ {
+ $this->flatten($resource);
+ $catalogue = new MessageCatalogue($locale);
+ $catalogue->add($resource, $domain);
+
+ return $catalogue;
+ }
+
+ /**
+ * Flattens an nested array of translations.
+ *
+ * The scheme used is:
+ * 'key' => array('key2' => array('key3' => 'value'))
+ * Becomes:
+ * 'key.key2.key3' => 'value'
+ *
+ * This function takes an array by reference and will modify it
+ *
+ * @param array &$messages The array that will be flattened
+ * @param array $subnode Current subnode being parsed, used internally for recursive calls
+ * @param string $path Current path being parsed, used internally for recursive calls
+ */
+ private function flatten(array &$messages, array $subnode = null, $path = null)
+ {
+ if (null === $subnode) {
+ $subnode = &$messages;
+ }
+ foreach ($subnode as $key => $value) {
+ if (is_array($value)) {
+ $nodePath = $path ? $path.'.'.$key : $key;
+ $this->flatten($messages, $value, $nodePath);
+ if (null === $path) {
+ unset($messages[$key]);
+ }
+ } elseif (null !== $path) {
+ $messages[$path.'.'.$key] = $value;
+ }
+ }
+ }
+}