I need to break a long message used in Yii2 validation rule.
I tried like this:
public function rules()
{
    return [
        ['username', 'required', 'message' => 'long message first line here'."<br>".PHP_EOL.'long message last line here'],
    ];
}
but the <br> appears in the message and the line doesn't break where I need.
Just to be clear, what I get is:
 long message first line here<br>long message last line here
and not:
 long message first line here
 long message last line here
Anyone who can help with this? I'd be really grate! Thank you in advance.
 
    