Symfony\Cmf\Bundle\RoutingBundle\CmfRoutingBundle::findDoctrineOrmCompiler PHP Method

    private function findDoctrineOrmCompiler()
    {
        if (class_exists('Symfony\\Bridge\\Doctrine\\DependencyInjection\\CompilerPass\\RegisterMappingsPass') && class_exists('Doctrine\\Bundle\\DoctrineBundle\\DependencyInjection\\Compiler\\DoctrineOrmMappingsPass')) {
            return 'Doctrine\\Bundle\\DoctrineBundle\\DependencyInjection\\Compiler\\DoctrineOrmMappingsPass';
        }
        if (class_exists('Symfony\\Cmf\\Bundle\\CoreBundle\\DependencyInjection\\Compiler\\DoctrineOrmMappingsPass')) {
            return 'Symfony\\Cmf\\Bundle\\CoreBundle\\DependencyInjection\\Compiler\\DoctrineOrmMappingsPass';
        }
        return false;
    }