How to pass param from controller to layout in YII2

Question

I want to send a parameter from controller to layout (i.e. main.php). But I am not able to get the param in main.php

I tried:

Controller Code:

Answer 1

In Yii2 you can access your controller object from a view using $this->context for example if in your controller you set a parameter like this:

public $title = 'My custom title';

Then in your layout you can read it like this:

$this->context->title

It is explained in Yii documentation in section: Accessing Data in Views