public function Adjustment::subtract in Commerce Core 8.2

Subtracts the given adjustment from the current adjustment.

Parameters

\Drupal\commerce_order\Adjustment $adjustment: The adjustment.

Return value

static The resulting adjustment.

File

modules/order/src/Adjustment.php, line 245

Class

Adjustment

Represents an adjustment.

Namespace

Drupal\commerce_order

Code

public function subtract(Adjustment $adjustment) : Adjustment {
  $this
    ->assertSameType($adjustment);
  $this
    ->assertSameSourceId($adjustment);
  $definition = [
    'amount' => $this->amount
      ->subtract($adjustment
      ->getAmount()),
  ] + $this
    ->toArray();
  return new static($definition);
}