protected function listBundles(OutputInterface $output)
{
$headers = array('Bundle name', 'Extension alias');
$rows = array();
foreach ($this->getContainer()->get('kernel')->getBundles() as $bundle) {
$extension = $bundle->getContainerExtension();
$rows[] = array($bundle->getName(), $extension ? $extension->getAlias() : '');
}
$message = 'Available registered bundles with their extension alias if available:';
if ($output instanceof StyleInterface) {
$output->writeln(' ' . $message);
$output->table($headers, $rows);
} else {
$output->writeln($message);
$table = new Table($output);
$table->setHeaders($headers)->setRows($rows)->render($output);
}
}