Object or array in twig file Symfony 2

Question

i edited the post

where i set $appartement:

$appartement = new Apartement ();
$user=1;
$em = $this->getDoctrine()->getManager();
$appartement = $em->getRepository('LeymaxDashboardBundle:Apartement')->find(1);

well i think that i have a syntax error that what i have in the controller that send s params to twig file :

return $this->render('LeymaxDashboardBundle:Default:client.html.twig', array('apart' => $appartement,
                                                                            'user' => $connected_user->getId(),
                                                                            ));

in the twig file i do the following :

{{ path('leymax_changemodules_showModal',{'iduser': user,'profil':'client','apart':apart}) }}

the generated route is like so :

leymax_changemodules_showModal:
pattern:  /changemodulesModal/{iduser}/{profil}/{apart}
defaults: { _controller: LeymaxDashboardBundle:Default:changeModulesModal }

the error message :

An exception has been thrown during the rendering of a template ("Warning: preg_match() expects parameter 2 to be string, object given

what's wrong i'm doing ?

i'm in the helping-mood today, but you're right @WouterJ ... i probably shouldn't encourage people to ask more questions of this type by answering them :) — Nicolai Fröhlich
– Nicolai Fröhlich, Commented Dec 10, 2013 at 15:02
Please add the code where you set $user and $apart and the exception message + stacktrace ... — Nicolai Fröhlich
– Nicolai Fröhlich, Commented Dec 10, 2013 at 15:35

Nicolai Fröhlich · Accepted Answer · 2013-12-10 15:05:24Z

1

You can access a (public) property or method of an object in twig using the . syntax.

As long as this method's return value or property is of type string/integer - the following will work:

{{ 
    path(
       'route_name',
       {
           'parameter':  object.property, 
           'parameter2': object.someMethod 
       }
   ) 
}}

You can further add a _toString() method to the object's class that will return a i.e. the id ...

class Object {

    public function __toString()
    {
        return $this->id;
    }

... and then pass the object directly:

{{ 
    path(
       'route_name',
       {
           'id':  object
       }
   ) 
}}

edited Dec 10, 2013 at 15:05

answered Dec 10, 2013 at 14:59

Nicolai Fröhlich

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3 Comments

Safwen Over a year ago

well i thank you but i think that's not the issue , i would like to pass the whole object in the path. but the response is : preg_match() expects parameter 2 to be string object given

Nicolai Fröhlich Over a year ago

you can aswell pass the whole object as parameters. There is no need to json_encode. Twig creates an Array from that json syntax provided as the path methods 2nd argument and passes it to the generateUrl of the @router. Where are you stuck?

Nicolai Fröhlich Over a year ago

If apart is an object you either have to add a __toString() method or query the method / property i.e. apart.name that shall be passed to the route-generation method. All described in my answer.

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