src/ShopifyApp/Models/Charge.php
public function remainingTrialDaysFromCancel()
    {
        if (!$this->isTrial()) {
            return;
        }

        $cancelledDate = Carbon::parse($this->cancelled_on);
        $trialEndsDate = Carbon::parse($this->trial_ends_on);

        // Ensure cancelled date happened before the trial was supposed to end
        if ($this->isCancelled() && $cancelledDate->lte($trialEndsDate)) {
            // Diffeence the two dates and subtract from the total trial days to get whats remaining
            return $this->trial_days - ($this->trial_days - $cancelledDate->diffInDays($trialEndsDate));
        }

        return 0;
    }
public function remainingTrialDaysFromCancel()
    {
        if (!$this->isTrial()) {
            return;
        }

        $cancelledDate = Carbon::parse($this->cancelled_on);
        $trialEndsDate = Carbon::parse($this->trial_ends_on);

        // Ensure cancelled date happened before the trial was supposed to end
        if ($this->isCancelled() && $cancelledDate->lte($trialEndsDate)) {
            // Diffeence the two dates and subtract from the total trial days to get whats remaining
            return $this->trial_days - ($this->trial_days - $cancelledDate->diffInDays($trialEndsDate));
        }

        return 0;
    }
Returns the remaining trial days from cancellation date.

@return int