private function createMigrationsTable(OutputInterface $output = null)
    {
        if (!is_null($output)) {
            $output->writeln('<info>Creating migrations table</info>');
        }
        $m = new CreateMigrationsTable();
        $m->up();
    }
private function createMigrationsTable(OutputInterface $output = null)
    {
        if (!is_null($output)) {
            $output->writeln('<info>Creating migrations table</info>');
        }
        $m = new CreateMigrationsTable();
        $m->up();
    }
private function createMigrationsTable ( OutputInterface $ output = null ) { if ( ! is_null ( $ output ) ) { $ output -> writeln ( '<info>Creating migrations table</info>' ) ; } $ m = new CreateMigrationsTable ( ) ; $ m -> up ( ) ; }
Creates the migration table if it doesn't exist.

@param \Symfony\Component\Console\Output\OutputInterface $output

@return void
Creates the migration table if it doesn t exist .