function FieldItemDataDefinition::createFromDataType

Overrides DataDefinition::createFromDataType

File

core/lib/Drupal/Core/Field/TypedData/FieldItemDataDefinition.php, line 28

Class

FieldItemDataDefinition

A typed data definition class for defining field items.

Namespace

Code

public static function createFromDataType($data_type) {
    // The data type of a field item is in the form of "field_item:$field_type".
    $parts = explode(':', $data_type, 2);
    if ($parts[0] != 'field_item') {
        throw new \InvalidArgumentException('Data type must be in the form of "field_item:FIELD_TYPE".');
    }
    $field_definition = BaseFieldDefinition::create($parts[1]);
    return $field_definition->getItemDefinition();
}