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/Drupal 8

public static function BubbleableMetadata::createFromObject

public static BubbleableMetadata::createFromObject($object)

Creates a bubbleable metadata object from a depended object.

Parameters

\Drupal\Core\Cache\CacheableDependencyInterface|mixed $object: The object whose cacheability metadata to retrieve. If it implements CacheableDependencyInterface, its cacheability metadata will be used, otherwise, the passed in object must be assumed to be uncacheable, so max-age 0 is set.

Return value

static

Overrides CacheableMetadata::createFromObject

File

core/lib/Drupal/Core/Render/BubbleableMetadata.php, line 82

Class

BubbleableMetadata
Value object used for bubbleable rendering metadata.

Namespace

Drupal\Core\Render

Code

public static function createFromObject($object) {
  $meta = parent::createFromObject($object);

  if ($object instanceof AttachmentsInterface) {
    $meta->attachments = $object->getAttachments();
  }

  return $meta;
}

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Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Render!BubbleableMetadata.php/function/BubbleableMetadata::createFromObject/8.1.x