How to retrieve root location

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Description
Retriev= ing root location ID
Retrie= ving the root location=20
- From a template
- From a controlle= r

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Description

Knowledge of the root location is important since it can be a starting p= oint for API queries, or even links to home page, but as eZ Platform can be= used for multisi= te development, the root location can vary.

By default, the root location ID is 2, but as it can be eas= ily be changed by configuration, the best practice is to retrieve i= t dynamically.

Retrieving ro= ot location ID

Root location ID can be retrieved easily from ConfigResolver. The parameter name is co= ntent.tree_root.location_id.

In a controller

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<?php
namespace Acme\TestBundle\Controller;

use eZ\Bundle\EzPublishCoreBundle\Controller;


class DefaultController extends Controller
{
    public function fooAction()
    {
        // ...
 
        $rootLocationId =3D $this->getConfigResolver()->getParameter(=
 'content.tree_root.location_id' );
 
        // ...
    }
}

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Retrieving t= he root location

From a template

Root location is exposed in the global Twig helper.

Making a link to homepage

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<a href=3D"{{ path( ezpublish.rootLocation ) }}" title=3D"L=
ink to homepage">Home page</a>

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From a controller

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<?php
namespace Acme\TestBundle\Controller;

use eZ\Bundle\EzPublishCoreBundle\Controller;

class DefaultController extends Controller
{
    public function fooAction()
    {
        // ...

        $rootLocation =3D $this->getRootLocation();

        // ...
    }
}

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