Naming convention

In order to allow auto-loading, Yii2 uses a simple standard to set names.

Routes that refer respectively to module, controller, and the action requested take the following format:

ModuleID/ControllerID/ActionID

We will look at each element in detail as follows:

  • The ModuleID is optional, so often the format is ControllerID/ActionID
  • The ModuleID must be specified in the module's configuration property, under the same name
  • The ControllerID and ActionID should contain only English characters in lowercase, digits, underscores, dashes, and forward slashes

An example of route is http://hostname/index.php?r=site/index, where site is the ControllerID and index is the ActionID.

Starting from ControllerID, it is very easy to create the Controller ...

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