eZ\Publish\Core\REST\Server\Input\Parser\PolicyUpdate::parse PHP Method

    public function parse(array $data, ParsingDispatcher $parsingDispatcher)
    {
        $policyUpdate = $this->roleService->newPolicyUpdateStruct();
        // @todo XSD says that limitations field is mandatory, but
        // it needs to be possible to remove limitations from policy
        if (array_key_exists('limitations', $data)) {
            if (!is_array($data['limitations'])) {
                throw new Exceptions\Parser("Invalid format for 'limitations' in PolicyUpdate.");
            }
            if (!isset($data['limitations']['limitation']) || !is_array($data['limitations']['limitation'])) {
                throw new Exceptions\Parser("Invalid format for 'limitations' in PolicyUpdate.");
            }
            foreach ($data['limitations']['limitation'] as $limitationData) {
                $policyUpdate->addLimitation($this->parserTools->parseLimitation($limitationData));
            }
        }
        return $policyUpdate;
    }