public function ListInterface::first in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/TypedData/ListInterface.php \Drupal\Core\TypedData\ListInterface::first()

Returns the first item in this list.

Return value

\Drupal\Core\TypedData\TypedDataInterface|null The first item in this list, or NULL if there are no items.

Throws

\Drupal\Core\TypedData\Exception\MissingDataException If the complex data structure is unset and no item can be created.

1 method overrides ListInterface::first()

ItemList::first in core/lib/Drupal/Core/TypedData/Plugin/DataType/ItemList.php

Returns the first item in this list.

File

core/lib/Drupal/Core/TypedData/ListInterface.php, line 92

Class

ListInterface

Interface for a list of typed data.

Namespace

Drupal\Core\TypedData

Code

public function first();