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;
}
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