public function ListInterface::onChange

React to changes to a child item.

Note that this is invoked before any changes are applied.

Parameters

$delta: The delta of the item which is changed.

2 methods override ListInterface::onChange()
ItemList::onChange in drupal/core/lib/Drupal/Core/TypedData/ItemList.php
Implements \Drupal\Core\TypedData\ListInterface::onChange().
Sequence::onChange in drupal/core/lib/Drupal/Core/Config/Schema/Sequence.php
Implements \Drupal\Core\TypedData\ListInterface::onChange().

File

drupal/core/lib/Drupal/Core/TypedData/ListInterface.php, line 49
Contains \Drupal\Core\TypedData\ListInterface.

Class

ListInterface
Interface for a list of typed data.

Namespace

Drupal\Core\TypedData

Code

public function onChange($delta);