function ArrayElement::isNullable

Determines if this element allows NULL as a value.

Return value

bool TRUE if NULL is a valid value, FALSE otherwise.

File

core/lib/Drupal/Core/Config/Schema/ArrayElement.php, line 180

Class

ArrayElement

Defines a generic configuration element that contains multiple properties.

Namespace

Drupal\Core\Config\Schema

Code

public function isNullable() {
    return isset($this->definition['nullable']) && $this->definition['nullable'] == TRUE;
}