public function ContextDefinitionInterface::isAllowedNull in Typed Data API enhancements 8

Determines if the context value is allowed to be NULL.

Return value

bool TRUE if NULL values are allowed, FALSE otherwise.

1 method overrides ContextDefinitionInterface::isAllowedNull()

ContextDefinition::isAllowedNull in src/Context/ContextDefinition.php

Determines if the context value is allowed to be NULL.

File

src/Context/ContextDefinitionInterface.php, line 29

Class

ContextDefinitionInterface

Context definition information required by Typed Data.

Namespace

Drupal\typed_data\Context

Code

public function isAllowedNull();