Doctrine\DBAL\Migrations\Configuration\Configuration::registerMigrationsFromDirectory PHP Method

    public function registerMigrationsFromDirectory($path)
    {
        $this->validate();
        return $this->registerMigrations($this->findMigrations($path));
    }

 public function indexAction()
 {
     $container = $this->container;
     $conn = $this->get('doctrine')->getConnection();
     $dir = $container->getParameter('doctrine_migrations.dir_name');
     if (!file_exists($dir)) {
         mkdir($dir, 0777, true);
     }
     $configuration = new Configuration($conn);
     $configuration->setMigrationsNamespace($container->getParameter('doctrine_migrations.namespace'));
     $configuration->setMigrationsDirectory($dir);
     $configuration->registerMigrationsFromDirectory($dir);
     $configuration->setName($container->getParameter('doctrine_migrations.name'));
     $configuration->setMigrationsTableName($container->getParameter('doctrine_migrations.table_name'));
     $versions = $configuration->getMigrations();
     foreach ($versions as $version) {
         $migration = $version->getMigration();
         if ($migration instanceof ContainerAwareInterface) {
             $migration->setContainer($container);
         }
     }
     $migration = new Migration($configuration);
     $migrated = $migration->migrate();
     // ...
 }