public function DataDefinitionInterface::isList in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/TypedData/DataDefinitionInterface.php \Drupal\Core\TypedData\DataDefinitionInterface::isList()

Returns whether the data is multi-valued, i.e. a list of data items.

This is equivalent to checking whether the data definition implements the \Drupal\Core\TypedData\ListDefinitionInterface interface.

Return value

bool Whether the data is multi-valued.

2 methods override DataDefinitionInterface::isList()

DataDefinition::isList in core/lib/Drupal/Core/TypedData/DataDefinition.php

Returns whether the data is multi-valued, i.e. a list of data items.

FieldConfigBase::isList in core/lib/Drupal/Core/Field/FieldConfigBase.php

Returns whether the data is multi-valued, i.e. a list of data items.

File

core/lib/Drupal/Core/TypedData/DataDefinitionInterface.php, line 86

Class

DataDefinitionInterface

Interface for data definitions.

Namespace

Drupal\Core\TypedData

Code

public function isList();