public static function LengthUnit::assertExists in Physical Fields 8

Asserts that the given unit exists.

Parameters

string $unit: The unit.

Throws

\InvalidArgumentException

Overrides UnitInterface::assertExists

2 calls to LengthUnit::assertExists()

Dimensions::processElement in src/Element/Dimensions.php

Builds the physical_dimensions form element.

LengthUnit::getBaseFactor in src/LengthUnit.php

Gets the base factor for the given unit.

File

src/LengthUnit.php, line 61

Class

LengthUnit

Provides length units.

Namespace

Drupal\physical

Code

public static function assertExists($unit) {
  $allowed_units = [
    self::MILLIMETER,
    self::CENTIMETER,
    self::METER,
    self::KILOMETER,
    self::INCH,
    self::FOOT,
    self::NAUTICAL_MILE,
  ];
  if (!in_array($unit, $allowed_units)) {
    throw new \InvalidArgumentException(sprintf('Invalid length unit "%s" provided.', $unit));
  }
}