Cake\Chronos\Traits\ModifierTrait::setDate PHP Method

    public function setDate($year, $month, $day)
    {
        // Workaround for PHP issue.
        $date = $this->modify('+0 day');
        if ($this instanceof DateTimeImmutable) {
            // Reflection is necessary to access the parent method
            // of the immutable object
            $method = new \ReflectionMethod('DateTimeImmutable', 'setDate');
            return $method->invoke($date, $year, $month, $day);
        }
        return parent::setDate($year, $month, $day);
    }