public static function CacheableMetadata::createFromObject

public static CacheableMetadata::createFromObject($object)

Creates a CacheableMetadata 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

File

core/lib/Drupal/Core/Cache/CacheableMetadata.php, line 168

Class

CacheableMetadata

Defines a generic class for passing cacheability metadata.

Namespace

Drupal\Core\Cache

Code

public static function createFromObject($object) {
  if ($object instanceof CacheableDependencyInterface) {
    $meta = new static();
    $meta->cacheContexts = $object->getCacheContexts();
    $meta->cacheTags = $object->getCacheTags();
    $meta->cacheMaxAge = $object->getCacheMaxAge();
    return $meta;
  }

  // Objects that don't implement CacheableDependencyInterface must be assumed
  // to be uncacheable, so set max-age 0.
  $meta = new static();
  $meta->cacheMaxAge = 0;
  return $meta;
}