Same name and namespace in other branches
  1. 8.9.x core/lib/Drupal/Core/TypedData/ListInterface.php \Drupal\Core\TypedData\ListInterface::filter()
  2. 9 core/lib/Drupal/Core/TypedData/ListInterface.php \Drupal\Core\TypedData\ListInterface::filter()

Filters the items in the list using a custom callback.

Parameters

callable $callback: The callback to use for filtering. Like with array_filter(), the callback is called for each item in the list. Only items for which the callback returns TRUE are preserved.

Return value

$this

1 call to ListInterface::filter()
FieldItemList::filterEmptyItems in core/lib/Drupal/Core/Field/FieldItemList.php
Filters out empty field items and re-numbers the item deltas.

File

core/lib/Drupal/Core/TypedData/ListInterface.php, line 125

Class

ListInterface
Interface for a list of typed data.

Namespace

Drupal\Core\TypedData

Code

public function filter($callback);