Nextras\Orm\Repository\Repository::getById PHP Метод

    public function getById($id)
    {
        if ($id === null) {
            return null;
        } elseif ($id instanceof IEntity) {
            $id = $id->getValue('id');
        } elseif (!(is_scalar($id) || is_array($id))) {
            throw new InvalidArgumentException('Primary key value has to be a scalar.');
        }
        $entity = $this->identityMap->getById($id);
        if ($entity === false) {
            // entity was removed
            return null;
        } elseif ($entity instanceof IEntity) {
            return $entity;
        }
        $entity = $this->findAll()->getBy(['id' => $id]);
        if ($entity === null) {
            $this->identityMap->remove($id);
        }
        return $entity;
    }