eZ\Publish\Core\FieldType\Page\HashConverter::convertBlockFromHash PHP Method

    protected function convertBlockFromHash($hash)
    {
        if (isset($hash['items'])) {
            $items = array();
            foreach ($hash['items'] as $item) {
                $items[] = $this->convertItemFromHash($item);
            }
            $hash['items'] = $items;
        }
        return new Block($hash);
    }