common\models\Order::discard PHP Method

    public function discard()
    {
        if (!in_array($this->status, [self::STATUS_CANCELLED, self::STATUS_COMPLETED])) {
            return false;
        }
        $this->beforeDiscard();
        $this->status = self::STATUS_DELETED;
        $this->clearCancelledMsg();
        if (!$this->save(false)) {
            return false;
        }
        $this->afterDiscard();
        return true;
    }