try {
     // Add or update user object
     $listValidate = sspmod_selfregister_Util::genFieldView($viewAttr);
     $validator = new sspmod_selfregister_Registration_Validation($formFields, $listValidate);
     $validValues = $validator->validateInput();
     $userInfo = sspmod_selfregister_Util::processInput($validValues, $viewAttr);
     $store = sspmod_selfregister_Storage_UserCatalogue::instantiateStorage();
     $store->addUser($userInfo);
     $html = new SimpleSAML_XHTML_Template($config, 'selfregister:step4_complete.tpl.php', 'selfregister:selfregister');
     $html->data['systemName'] = $systemName;
     $html->show();
 } catch (sspmod_selfregister_Error_UserException $e) {
     // Some user error detected
     $formGen = new sspmod_selfregister_XHTML_Form($formFields, 'newUser.php');
     $showFields = sspmod_selfregister_Util::genFieldView($viewAttr);
     $formGen->fieldsToShow($showFields);
     $formGen->setReadOnly('mail');
     $values = $validator->getRawInput();
     $hidden = array();
     $values['mail'] = $hidden['emailconfirmed'] = $_REQUEST['emailconfirmed'];
     $hidden['token'] = $_REQUEST['token'];
     $formGen->addHiddenData($hidden);
     $values['pw1'] = '';
     $values['pw2'] = '';
     $formGen->setValues($values);
     $formGen->setSubmitter('submit_change');
     $formHtml = $formGen->genFormHtml();
     $html = new SimpleSAML_XHTML_Template($config, 'selfregister:step3_register.tpl.php', 'selfregister:selfregister');
     $html->data['formHtml'] = $formHtml;
     $error = $html->t($e->getMesgId(), $e->getTrVars());
     $html->data['error'] = htmlspecialchars($error);
<?php

$config = SimpleSAML_Configuration::getInstance();
$uregconf = SimpleSAML_Configuration::getConfig('module_selfregister.php');
$formFields = $uregconf->getArray('formFields');
$store = sspmod_selfregister_Storage_UserCatalogue::instantiateStorage();
/* Get a reference to our authentication source. */
$asId = $uregconf->getString('auth');
$as = new SimpleSAML_Auth_Simple($asId);
$as->requireAuth();
$attributes = $as->getAttributes();
$formGen = new sspmod_selfregister_XHTML_Form($formFields, 'changePassword.php');
$fields = array('pw1', 'pw2');
$formGen->fieldsToShow($fields);
$html = new SimpleSAML_XHTML_Template($config, 'selfregister:change_pw.tpl.php', 'selfregister:selfregister');
if (array_key_exists('sender', $_REQUEST)) {
    // Stage 2: Form submitted
    try {
        $validator = new sspmod_selfregister_Registration_Validation($formFields, $fields);
        $validValues = $validator->validateInput();
        $newPw = sspmod_selfregister_Util::validatePassword($validValues);
        $store->changeUserPassword($attributes[$store->userIdAttr][0], $newPw);
        $html->data['userMessage'] = 'message_chpw';
    } catch (sspmod_selfregister_Error_UserException $e) {
        $error = $html->t($e->getMesgId(), $e->getTrVars());
        $html->data['error'] = htmlspecialchars($error);
    }
} elseif (array_key_exists('logout', $_GET)) {
    $as->logout(SimpleSAML_Module::getModuleURL('selfregister/index.php'));
}
$formGen->setSubmitter('submit_change');