skeeks\cms\models\forms\SignupForm::rules PHP Method

    public function rules()
    {
        return [['username', 'filter', 'filter' => 'trim'], ['username', 'required'], ['username', 'unique', 'targetClass' => \Yii::$app->user->identityClass, 'message' => \Yii::t('skeeks/cms', 'This login is already in use by another user.')], ['username', 'string', 'min' => 2, 'max' => 255], ['email', 'filter', 'filter' => 'trim'], ['email', 'required'], ['email', 'email'], ['email', 'unique', 'targetClass' => \Yii::$app->user->identityClass, 'message' => \Yii::t('skeeks/cms', 'This Email is already in use by another user')], ['password', 'required'], ['password', 'string', 'min' => 6]];
    }