Symfony\Component\DependencyInjection\Tests\ContainerBuilderTest::testResolveEnvValues PHP Method

    public function testResolveEnvValues()
    {
        $_ENV['DUMMY_ENV_VAR'] = 'du%%y';

        $container = new ContainerBuilder();
        $container->setParameter('bar', '%% %env(DUMMY_ENV_VAR)%');

        $this->assertSame('%% du%%%%y', $container->resolveEnvPlaceholders('%bar%', true));

        unset($_ENV['DUMMY_ENV_VAR']);
    }