BasicUsageObserver.php in Changed Fields API 8.2

Contains BasicUsageObserver.php.

Namespace

Drupal\changed_fields_basic_usage

File

examples/changed_fields_basic_usage/src/BasicUsageObserver.php

<?php

/**
 * @file
 * Contains BasicUsageObserver.php.
 */
namespace Drupal\changed_fields_basic_usage;

use Drupal\changed_fields\ObserverInterface;
use SplSubject;

/**
 * Class BasicUsageObserver.
 */
class BasicUsageObserver implements ObserverInterface {

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

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

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

}

Classes

Name	Description
BasicUsageObserver	Class BasicUsageObserver.