class BasicUsageObserver in Changed Fields API 7.3

Class BasicUsageObserver.

Hierarchy

• class \BasicUsageObserver implements CFObserverInterface

File

examples/changed_fields_basic_usage/includes/changed_fields_basic_usage.observer.inc, line 11

Observer example.

class BasicUsageObserver implements CFObserverInterface {

  /**
   * {@inheritdoc}
   */
  public function getInfo() {
    return [
      'article' => [
        'title',
        'body',
        'field_text_test',
        'field_file_test',
        'field_image_test',
      ],
    ];
  }

  /**
   * {@inheritdoc}
   */
  public function update(SplSubject $nodeSubject) {
    $node = $nodeSubject
      ->getNode();
    $changedFields = $nodeSubject
      ->getChangedFields();

    // Do something with $node depends on $changedFields.
  }

}

Members

Name	Modifiers	Type	Description	Overrides
BasicUsageObserver::getInfo	public	function	Returns associative array of node types with their fields for watching. Overrides CFObserverInterface::getInfo
BasicUsageObserver::update	public	function