eZ\Publish\Core\REST\Client\Input\Parser\UserRefList::parse PHP Method

    public function parse(array $data, ParsingDispatcher $parsingDispatcher)
    {
        if (!array_key_exists('User', $data) || !is_array($data['User'])) {
            throw new Exceptions\Parser("Missing 'User' element in UserRefList.");
        }
        // workaround for list with 1 items parsed as non arrays
        if (!isset($data['User'][0])) {
            $data['User'] = array($data['User']);
        }
        $userRefList = array();
        foreach ($data['User'] as $userRefData) {
            $hrefData = $this->requestParser->parse($userRefData['_href']);
            if (!isset($hrefData['userId'])) {
                throw new Exceptions\Parser("Invalid application/vnd.ez.api.User href");
            }
            $userRefList[] = $hrefData['userId'];
        }
        return $userRefList;
    }