W3cubDocs

/Drupal 8

public function DataDefinition::isRequired

public DataDefinition::isRequired()

Determines whether a data value is required.

For required data a non-NULL value is mandatory.

Return value

bool Whether a data value is required.

Overrides DataDefinitionInterface::isRequired

File

core/lib/Drupal/Core/TypedData/DataDefinition.php, line 167

Class

DataDefinition
A typed data definition class for defining data based on defined data types.

Namespace

Drupal\Core\TypedData

Code

public function isRequired() {
  return !empty($this->definition['required']);
}

© 2001–2016 by the original authors
Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/core!lib!Drupal!Core!TypedData!DataDefinition.php/function/DataDefinition::isRequired/8.1.x