If parentKey is set, only the sub-graph below the category which is assigned to the given key is returned.
| public findChildrenByParentKey ( null $parentKey = null ) : array | ||
| $parentKey | null | |
| return | array | |
/**
* Returns an array of serialized categories.
* If parentKey is set, only the children of the category which is assigned to the given key are returned.
*
* @param string $locale
* @param string $parentKey key of parent category
*
* @return array
*/
public function getCategoriesFunction($locale, $parentKey = null)
{
return $this->memoizeCache->memoize(function ($locale, $parentKey = null) {
$entities = $this->categoryManager->findChildrenByParentKey($parentKey);
$categories = $this->categoryManager->getApiObjects($entities, $locale);
$context = SerializationContext::create();
$context->setSerializeNull(true);
return $this->serializer->serialize($categories, 'array', $context);
});
}
