/** * {@inheritdoc} */ public function jsonSerialize() { $parent = $this->organization->getParent(); $daughters = $this->repository->getDaughters($this->organization); $daughtersNames = array_map(function (Organization $daughter) { return $daughter->getName(); }, $daughters); return ['parent' => is_null($parent) ? null : $parent->getName(), 'daughters' => $daughtersNames]; }