function enterObject()
 {
     $article = new rex_article();
     if ($article->setArticleId($this->getElement(1))) {
         $this->params['form_output'][$this->getId()] = $this->parse('value.article.tpl.php', array('article' => $article));
     }
 }

function rex_newsletter_sendmail($userinfo, $aid, $mail_reply, $mail_subject)
{
    global $REX;
    $tmp_redaxo = $REX['REDAXO'];
    $REX['REDAXO'] = true;
    // ***** HTML VERSION KOMPLETT
    $REX_ARTICLE = new rex_article();
    $REX_ARTICLE->setCLang(0);
    $REX_ARTICLE->setArticleId($aid);
    $REX_ARTICLE->getContentAsQuery(TRUE);
    // $REX_ARTICLE->setTemplateId(xx);
    $REX['ADDON']['NEWSLETTER_TEXT'] = FALSE;
    $html_body = $REX_ARTICLE->getArticleTemplate();
    // ***** TEXT VERSION
    $REX_ARTICLE = new rex_article();
    $REX_ARTICLE->setCLang(0);
    $REX_ARTICLE->setArticleId($aid);
    $REX_ARTICLE->getContentAsQuery(TRUE);
    // $REX_ARTICLE->setTemplateId(xx);
    $REX['ADDON']['NEWSLETTER_TEXT'] = TRUE;
    // FILTERN VERSION KOMPLETT
    $text_body = $REX_ARTICLE->getArticle();
    $text_body = str_replace("<br />", "<br />", $text_body);
    $text_body = str_replace("<p>", "\n\n</p>", $text_body);
    $text_body = str_replace("<ul>", "\n\n</ul>", $text_body);
    $text_body = preg_replace("#(\\<)(.*)(\\>)#imsU", "", $text_body);
    $text_body = html_entity_decode($text_body);
    $REX['REDAXO'] = true;
    // ***** MAIL VERSAND
    // Allgemeine Initialisierung
    // $mail = new PHPMailer();
    $mail = new rex_mailer();
    $mail->AddAddress($userinfo["email"]);
    $mail->From = $mail_reply;
    $mail->FromName = $mail_reply;
    $subject = $mail_subject;
    // Subject
    // Bodies
    // html
    foreach ($userinfo as $k => $v) {
        $subject = str_replace("###" . $k . "###", $v, $subject);
        $html_body = str_replace("###" . $k . "###", $v, $html_body);
        $text_body = str_replace("###" . $k . "###", $v, $text_body);
        $subject = str_replace("###" . strtoupper($k) . "###", $v, $subject);
        $html_body = str_replace("###" . strtoupper($k) . "###", $v, $html_body);
        $text_body = str_replace("###" . strtoupper($k) . "###", $v, $text_body);
    }
    // text
    // echo "<pre>$text_body</pre>";
    $mail->Subject = $subject;
    $mail->AltBody = $text_body;
    $mail->Body = $html_body;
    $mail->Send();
    $REX['REDAXO'] = $tmp_redaxo;
}

 public static function addNewstoSitemap($params)
 {
     $mainArticle = rex_asd_news_config::getConfig('article');
     $mainArticle = new rex_article($mainArticle);
     foreach (rex_asd_news::getByWhere(array('clang' => null)) as $news) {
         /** @var rex_asd_news $news */
         $fragment = array('loc' => $news->getUrl(), 'lastmod' => $news->getPublishDate()->format('c'), 'changefreq' => self::calc_article_changefreq($news->getPublishDate()->getTimestamp()), 'priority' => self::calc_article_priority($mainArticle->getValue('id'), $mainArticle->getValue('clang'), $mainArticle->getValue('path') . '|' . $news->getValue('id')));
         $params['subject'][rex_asd_news_config::getName()][] = $fragment;
     }
     return $params['subject'];
 }

 /**
  * Wert für die Ausgabe
  */
 function matchArticle($content)
 {
     $var = 'REX_ARTICLE';
     $matches = $this->getArticleInputParams($content, $var);
     foreach ($matches as $match) {
         list($param_str, $article_id, $clang) = $match;
         $article = new rex_article($article_id, $clang);
         $content = str_replace($var . '[' . $param_str . ']', $article->getArticle(), $content);
     }
     return $content;
 }

 static function getListValue($params)
 {
     if (intval($params['value']) < 1) {
         return '-';
     }
     if ($art = new rex_article($params['value'])) {
         return $art->getValue('name');
     } else {
         return 'article ' . $params['value'] . ' not found';
     }
 }

 /**
  * @param rex_article         $art
  * @param rex_yrewrite_domain $domain
  *
  * @return string|false
  */
 public function getCustomUrl(rex_article $art, rex_yrewrite_domain $domain)
 {
     if ($domain->getStartId() == $art->getId()) {
         if ($domain->getStartClang() == $art->getClang()) {
             return '/';
         }
         return $this->getClang($art->getClang(), $domain) . '/';
     }
     if ($url = $art->getValue('yrewrite_url')) {
         return $url;
     }
     return false;
 }

/**
 * Gibt eine Url zu einem Artikel zurück.
 *
 * @param string       $_id
 * @param int|string   $_clang  SprachId des Artikels
 * @param array|string $_params Array von Parametern
 * @param bool         $escape  Flag whether the argument separator "&" should be escaped (&)
 *
 * @return string
 *
 * @package redaxo\structure
 */
function rex_getUrl($_id = '', $_clang = '', $_params = '', $escape = true)
{
    $id = (int) $_id;
    $clang = (int) $_clang;
    // ----- get id
    if ($id == 0) {
        $id = rex::getProperty('article_id');
    }
    // ----- get clang
    // Wenn eine rexExtension vorhanden ist, immer die clang mitgeben!
    // Die rexExtension muss selbst entscheiden was sie damit macht
    if ($_clang === '' && (rex_clang::count() > 1 || rex_extension::isRegistered('URL_REWRITE'))) {
        $clang = rex_clang::getCurrentId();
    }
    // ----- get params
    $param_string = rex_param_string($_params, $escape ? '&' : '&');
    $name = 'NoName';
    if ($id != 0) {
        $ooa = rex_article::get($id, $clang);
        if ($ooa) {
            $name = rex_parse_article_name($ooa->getName());
        }
    }
    // ----- EXTENSION POINT
    $url = rex_extension::registerPoint(new rex_extension_point('URL_REWRITE', '', ['id' => $id, 'name' => $name, 'clang' => $clang, 'params' => $param_string, 'escape' => $escape]));
    if ($url == '') {
        $_clang = '';
        if (rex_clang::count() > 1) {
            $_clang .= ($escape ? '&' : '&') . 'clang=' . $clang;
        }
        $url = rex_url::frontendController() . '?article_id=' . $id . $_clang . $param_string;
    }
    return $url;
}

 public static function getForward($params)
 {
     // Url wurde von einer anderen Extension bereits gesetzt
     if (isset($params['subject']) && $params['subject'] != '') {
         return $params['subject'];
     }
     self::init();
     $domain = $params['domain'];
     if ($domain == 'undefined') {
         $domain = '';
     }
     $url = $params['url'];
     foreach (self::$paths as $p) {
         if ($p['domain'] == $domain && ($p['url'] == $url || $p['url'] . '/' == $url)) {
             $forward_url = '';
             if ($p['type'] == 'article' && ($art = rex_article::get($p['article_id'], $p['clang']))) {
                 $forward_url = rex_getUrl($p['article_id'], $p['clang']);
             } elseif ($p['type'] == 'media' && ($media = rex_media::get($p['media']))) {
                 $forward_url = '/files/' . $p['media'];
             } elseif ($p['type'] == 'extern' && $p['extern'] != '') {
                 $forward_url = $p['extern'];
             }
             if ($forward_url != '') {
                 header('HTTP/1.1 ' . self::$movetypes[$p['movetype']]);
                 header('Location: ' . $forward_url);
                 exit;
             }
         }
     }
     return false;
 }

 public static function getWidget($id, $name, $value, array $args = [])
 {
     $art_name = '';
     $art = rex_article::get($value);
     $category = 0;
     // Falls ein Artikel vorausgewählt ist, dessen Namen anzeigen und beim öffnen der Linkmap dessen Kategorie anzeigen
     if ($art instanceof rex_article) {
         $art_name = $art->getName();
         $category = $art->getCategoryId();
     }
     $open_params = '&clang=' . rex_clang::getCurrentId();
     if ($category || isset($args['category']) && ($category = (int) $args['category'])) {
         $open_params .= '&category_id=' . $category;
     }
     $class = ' rex-disabled';
     $open_func = '';
     $delete_func = '';
     if (rex::getUser()->getComplexPerm('structure')->hasStructurePerm()) {
         $class = '';
         $open_func = 'openLinkMap(\'REX_LINK_' . $id . '\', \'' . $open_params . '\');';
         $delete_func = 'deleteREXLink(' . $id . ');';
     }
     $e = [];
     $e['field'] = '<input class="form-control" type="text" name="REX_LINK_NAME[' . $id . ']" value="' . htmlspecialchars($art_name) . '" id="REX_LINK_' . $id . '_NAME" readonly="readonly" /><input type="hidden" name="' . $name . '" id="REX_LINK_' . $id . '" value="' . $value . '" />';
     $e['functionButtons'] = '
                     <a href="#" class="btn btn-popup' . $class . '" onclick="' . $open_func . 'return false;" title="' . rex_i18n::msg('var_link_open') . '"><i class="rex-icon rex-icon-open-linkmap"></i></a>
                     <a href="#" class="btn btn-popup' . $class . '" onclick="' . $delete_func . 'return false;" title="' . rex_i18n::msg('var_link_delete') . '"><i class="rex-icon rex-icon-delete-link"></i></a>';
     $fragment = new rex_fragment();
     $fragment->setVar('elements', [$e], false);
     $media = $fragment->parse('core/form/widget.php');
     return $media;
 }

/**
 * Gibt eine Url zu einem Artikel zurück.
 *
 * @param int|null $id
 * @param int|null $clang     SprachId des Artikels
 * @param array    $params    Array von Parametern
 * @param string   $separator
 *
 * @return string
 *
 * @package redaxo\structure
 */
function rex_getUrl($id = null, $clang = null, array $params = [], $separator = '&')
{
    $id = (int) $id;
    $clang = (int) $clang;
    // ----- get id
    if ($id == 0) {
        $id = rex_article::getCurrentId();
    }
    // ----- get clang
    // Wenn eine rexExtension vorhanden ist, immer die clang mitgeben!
    // Die rexExtension muss selbst entscheiden was sie damit macht
    if (!rex_clang::exists($clang) && (rex_clang::count() > 1 || rex_extension::isRegistered('URL_REWRITE'))) {
        $clang = rex_clang::getCurrentId();
    }
    // ----- EXTENSION POINT
    $url = rex_extension::registerPoint(new rex_extension_point('URL_REWRITE', '', ['id' => $id, 'clang' => $clang, 'params' => $params, 'separator' => $separator]));
    if ($url == '') {
        if (rex_clang::count() > 1) {
            $clang = $separator . 'clang=' . $clang;
        } else {
            $clang = '';
        }
        $params = rex_string::buildQuery($params, $separator);
        $params = $params ? $separator . $params : '';
        $url = rex_url::frontendController() . '?article_id=' . $id . $clang . $params;
    }
    return $url;
}

 static function replaceVars($template, $er = array())
 {
     $r = rex_extension::registerPoint(new rex_extension_point('YFORM_EMAIL_BEFORE_REPLACEVARS', ['template' => $template, 'search_replace' => $er, 'status' => false]));
     $template = $r['template'];
     $er = $r['search_replace'];
     $status = $r['status'];
     if ($status) {
         return true;
     }
     $er['REX_SERVER'] = rex::getServer();
     $er['REX_ERROR_EMAIL'] = rex::getErrorEmail();
     $er['REX_SERVERNAME'] = rex::getServerName();
     $er['REX_NOTFOUND_ARTICLE_ID'] = rex_article::getNotfoundArticleId();
     $er['REX_ARTICLE_ID'] = rex_article::getCurrentId();
     $template['body'] = rex_var::parse($template['body'], '', 'yform_email_template', $er);
     $template['body_html'] = rex_var::parse($template['body_html'], '', 'yform_email_template', $er);
     // rex_vars bug: sonst wird der Zeilenumbruch entfernt - wenn DATA_VAR am Ende einer Zeile
     if (rex_string::versionCompare(rex::getVersion(), '5.0.1', '<')) {
         $template['body'] = str_replace("?>\r", "?>\r\n\r", $template['body']);
         $template['body'] = str_replace("?>\n", "?>\n\r\n", $template['body']);
         $template['body_html'] = str_replace("?>\r", "?>\r\n\r", $template['body_html']);
         $template['body_html'] = str_replace("?>\n", "?>\n\r\n", $template['body_html']);
     }
     $template['body'] = rex_file::getOutput(rex_stream::factory('yform/email/template/' . $template['name'] . '/body', $template['body']));
     $template['body_html'] = rex_file::getOutput(rex_stream::factory('yform/email/template/' . $template['name'] . '/body_html', $template['body_html']));
     return $template;
 }

 public function isValid($value)
 {
     $article = rex_article::get($value);
     if (!$article instanceof rex_article) {
         return rex_i18n::msg('system_setting_' . $this->key . '_invalid');
     }
     return true;
 }

 public function getForm(array $params)
 {
     $OOArt = rex_article::get($params['id'], $params['clang']);
     $params['activeItem'] = $params['article'];
     // Hier die category_id setzen, damit beim klick auf den REX_LINK_BUTTON der Medienpool in der aktuellen Kategorie startet
     $params['activeItem']->setValue('category_id', $OOArt->getCategoryId());
     return parent::renderFormAndSave(self::PREFIX, $params);
 }

 public static function getArticleValue($id, $field, $clang = null)
 {
     if ($clang === null) {
         $clang = rex_clang::getCurrentId();
     }
     $article = rex_article::get($id, $clang);
     return htmlspecialchars($article->getValue($field));
 }

 public function hasValue($value)
 {
     // bc
     if ($this->viasql) {
         return parent::hasValue($value);
     }
     $value = $this->correctValue($value);
     return rex_article::get($this->article_id, $this->clang)->hasValue($value);
 }

 public function setValue($value)
 {
     $value = (int) $value;
     $article = rex_article::get($value);
     if (!$article instanceof rex_article) {
         return rex_i18n::msg('system_setting_' . $this->key . '_invalid');
     }
     rex_config::set('structure', $this->key, $value);
     return true;
 }

 /**
  * Löscht die gecachten Meta-Dateien eines Artikels. Wenn keine clang angegeben, wird
  * der Artikel in allen Sprachen gelöscht.
  *
  * @param int $id    ArtikelId des Artikels
  * @param int $clang ClangId des Artikels
  *
  * @return bool True on success, False on errro
  */
 public static function deleteMeta($id, $clang = null)
 {
     // sanity check
     if ($id < 0) {
         return false;
     }
     $cachePath = rex_path::addonCache('structure');
     foreach (rex_clang::getAllIds() as $_clang) {
         if ($clang !== null && $clang != $_clang) {
             continue;
         }
         rex_file::delete($cachePath . $id . '.' . $_clang . '.article');
         rex_article::clearInstance([$id, $_clang]);
         rex_category::clearInstance([$id, $_clang]);
     }
     return true;
 }

 public static function getWidget($id, $name, $value, array $args = [])
 {
     $open_params = '&clang=' . rex_clang::getCurrentId();
     if (isset($args['category']) && ($category = (int) $args['category'])) {
         $open_params .= '&category_id=' . $category;
     }
     $options = '';
     $linklistarray = explode(',', $value);
     if (is_array($linklistarray)) {
         foreach ($linklistarray as $link) {
             if ($link != '') {
                 if ($article = rex_article::get($link)) {
                     $options .= '<option value="' . $link . '">' . htmlspecialchars($article->getName()) . '</option>';
                 }
             }
         }
     }
     $disabled = ' disabled';
     $open_func = '';
     $delete_func = '';
     if (rex::getUser()->getComplexPerm('structure')->hasStructurePerm()) {
         $disabled = '';
         $open_func = 'openREXLinklist(' . $id . ', \'' . $open_params . '\');';
         $delete_func = 'deleteREXLinklist(' . $id . ');';
     }
     $e = [];
     $e['field'] = '
             <select class="form-control" name="REX_LINKLIST_SELECT[' . $id . ']" id="REX_LINKLIST_SELECT_' . $id . '" size="10">
                 ' . $options . '
             </select>
             <input type="hidden" name="' . $name . '" id="REX_LINKLIST_' . $id . '" value="' . $value . '" />';
     $e['moveButtons'] = '
                 <a href="#" class="btn btn-popup" onclick="moveREXLinklist(' . $id . ',\'top\');return false;" title="' . rex_i18n::msg('var_linklist_move_top') . '"><i class="rex-icon rex-icon-top"></i></a>
                 <a href="#" class="btn btn-popup" onclick="moveREXLinklist(' . $id . ',\'up\');return false;" title="' . rex_i18n::msg('var_linklist_move_up') . '"><i class="rex-icon rex-icon-up"></i></a>
                 <a href="#" class="btn btn-popup" onclick="moveREXLinklist(' . $id . ',\'down\');return false;" title="' . rex_i18n::msg('var_linklist_move_down') . '"><i class="rex-icon rex-icon-down"></i></a>
                 <a href="#" class="btn btn-popup" onclick="moveREXLinklist(' . $id . ',\'bottom\');return false;" title="' . rex_i18n::msg('var_linklist_move_bottom') . '"><i class="rex-icon rex-icon-bottom"></i></a>';
     $e['functionButtons'] = '
                 <a href="#" class="btn btn-popup" onclick="' . $open_func . 'return false;" title="' . rex_i18n::msg('var_link_open') . '"' . $disabled . '><i class="rex-icon rex-icon-open-linkmap"></i></a>
                 <a href="#" class="btn btn-popup" onclick="' . $delete_func . 'return false;" title="' . rex_i18n::msg('var_link_delete') . '"' . $disabled . '><i class="rex-icon rex-icon-delete-link"></i></a>';
     $fragment = new rex_fragment();
     $fragment->setVar('elements', [$e], false);
     $link = $fragment->parse('core/form/widget_list.php');
     return $link;
 }

 public function execute()
 {
     $article_id = rex_request('article_id', 'int');
     $clang = rex_request('clang', 'int');
     $slice_id = rex_request('slice_id', 'int');
     $direction = rex_request('direction', 'string');
     $ooArt = rex_article::get($article_id, $clang);
     if (!$ooArt instanceof rex_article) {
         throw new rex_api_exception('Unable to find article with id "' . $article_id . '" and clang "' . $clang . '"!');
     }
     $category_id = $ooArt->getCategoryId();
     /**
      * @var rex_user
      */
     $user = rex::getUser();
     // check permissions
     if (!$user->hasPerm('moveSlice[]')) {
         throw new rex_api_exception(rex_i18n::msg('no_rights_to_this_function'));
     }
     if (!$user->getComplexPerm('structure')->hasCategoryPerm($category_id)) {
         throw new rex_api_exception(rex_i18n::msg('no_rights_to_this_function'));
     }
     // modul und rechte vorhanden ?
     $CM = rex_sql::factory();
     $CM->setQuery('select * from ' . rex::getTablePrefix() . 'article_slice left join ' . rex::getTablePrefix() . 'module on ' . rex::getTablePrefix() . 'article_slice.module_id=' . rex::getTablePrefix() . 'module.id where ' . rex::getTablePrefix() . "article_slice.id='{$slice_id}' and clang_id={$clang}");
     if ($CM->getRows() != 1) {
         throw new rex_api_exception(rex_i18n::msg('module_not_found'));
     } else {
         $module_id = (int) $CM->getValue(rex::getTablePrefix() . 'article_slice.module_id');
         // ----- RECHTE AM MODUL ?
         if ($user->getComplexPerm('modules')->hasPerm($module_id)) {
             $message = rex_content_service::moveSlice($slice_id, $clang, $direction);
         } else {
             throw new rex_api_exception(rex_i18n::msg('no_rights_to_this_function'));
         }
     }
     $result = new rex_api_result(true, $message);
     return $result;
 }

function rex_metainfo_content_sidebar($extionPointParams)
{
    $params = $extionPointParams->getParams();
    $article = rex_article::get($params['article_id'], $params['clang']);
    $articleStatusTypes = rex_article_service::statusTypes();
    $panel = '';
    $panel .= '<dl class="dl-horizontal">';
    $panel .= '<dt>' . rex_i18n::msg('created_by') . '</dt>';
    $panel .= '<dd>' . $article->getValue('createuser') . '</dd>';
    $panel .= '<dt>' . rex_i18n::msg('created_on') . '</dt>';
    $panel .= '<dd>' . rex_formatter::strftime($article->getValue('createdate'), 'date') . '</dd>';
    $panel .= '<dt>' . rex_i18n::msg('updated_by') . '</dt>';
    $panel .= '<dd>' . $article->getValue('updateuser') . '</dd>';
    $panel .= '<dt>' . rex_i18n::msg('updated_on') . '</dt>';
    $panel .= '<dd>' . rex_formatter::strftime($article->getValue('updatedate'), 'date') . '</dd>';
    $panel .= '<dt>' . rex_i18n::msg('status') . '</dt>';
    $panel .= '<dd class="' . $articleStatusTypes[$article->getValue('status')][1] . '">' . $articleStatusTypes[$article->getValue('status')][0] . '</dd>';
    $panel .= '</dl>';
    $fragment = new rex_fragment();
    $fragment->setVar('title', rex_i18n::msg('metadata'), false);
    $fragment->setVar('body', $panel, false);
    $content = $fragment->parse('core/page/section.php');
    return $content;
}