Description

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

By default, the root location ID is 2, but as it can be easily be changed by configuration, the best practice is to retrieve it dynamically.

Solution

Retrieving root location ID

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

Retrieving the root location

From a template

Root location is exposed in the global Twig helper.

From a controller