* * 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 * * @api */ class ArrayLoader implements LoaderInterface { /** * {@inheritdoc} * * @api */ 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; } } } }