public static function AreaUnit::assertExists in Physical Fields 8

Asserts that the given unit exists.

Parameters

string $unit: The unit.

Throws

\InvalidArgumentException

Overrides UnitInterface::assertExists

1 call to AreaUnit::assertExists()

AreaUnit::getBaseFactor in src/AreaUnit.php

Gets the base factor for the given unit.

File

src/AreaUnit.php, line 58

Class

AreaUnit

Provides area units.

Namespace

Drupal\physical

Code

public static function assertExists($unit) {
  $allowed_units = [
    self::SQUARE_MILLIMETER,
    self::SQUARE_CENTIMETER,
    self::SQUARE_METER,
    self::SQUARE_INCH,
    self::SQUARE_FOOT,
    self::HECTARE,
  ];
  if (!in_array($unit, $allowed_units)) {
    throw new \InvalidArgumentException(sprintf('Invalid area unit "%s" provided.', $unit));
  }
}