kekrozsak/vendor/doctrine/doctrine-bundle/Doctrine/Bundle/DoctrineBundle/Tests/DependencyInjection/Fixtures/config/yml/orm_single_em_dql_functions.yml

doctrine:
    dbal:
        default_connection: default
        connections:
            default:
                dbname: db

    orm:
        dql:
            string_functions:
                test_string: Symfony\Bundle\DoctrineBundle\Tests\DependencyInjection\TestStringFunction