2014-01-26 13:11
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Where do I store misc functions? How do I use them? Should it be a DependencyInjection? Should it just be a class and do I do something like use Acme\Bundle\AcmeBundle\Misc\ClientIPChecker?

Say I have a function:

class ClientIPChecker {
    public static function isLocal(Request $request){
        return in_array('', $request->getClientIp())

And I want to use this function in two controllers. How do I do this in Symfony2?

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  • drbmhd9583 2014-01-26 14:47

    If you have a set of consistent function put them in a class/service. If functions do different things put them in the appropriate class/service. In this particular case, I'll go for either custom Request or custom Controller (probably the latter, avoding messing app.php or app_dev.php).

    With custom controller this doesn't work:

    // Automatic binding of $request parameter
    public function indexAction(Request $request)
       // Won't work with custom controller
       if ($request->isLocal)) {
           // ...
       // You have to do
       if ($this->getRequest()->isLocal()) {
           // stuff

    Option 1: extend Symfony Request

    namespace My\HttpFoundation;
    use Symfony\Component\HttpFoundation\Request as BaseRequest;
    class Request extends BaseRequest
        public function isLocal()
           return in_array('', $this->getClientIp());

    Then in web/app.php and web/app_dev.php modify:

    use Symfony\Component\HttpFoundation\Request;

    to be:

    use My\HttpFoundation\Request;

    Option 2: create a BaseAbstractController and use it instead of Symfony controller

    use Symfony\Bundle\FrameworkBundle\Controller\Controller;
    abstract class BaseAbstractController extends Controller
        public function isRequestLocal()
            return in_array('', $this->getRequest()->getClientIp())

    Option 3: custom service as explained here

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