NotificationTarget::getForTemplate PHP Method

    function &getForTemplate($event, $options)
    {
        global $CFG_GLPI;
        $this->datas = array();
        $this->addTagToList(array('tag' => 'glpi.url', 'value' => $CFG_GLPI['root_doc'], 'label' => __('URL of the application')));
        $this->getDatasForTemplate($event, $options);
        Plugin::doHook('item_get_datas', $this);
        return $this->datas;
    }

 /**
  * @param $target             NotificationTarget object
  * @param $user_infos   array
  * @param $event
  * @param $options      array
  *
  * @return id of the template in templates_by_languages / false if computation failed
  **/
 function getTemplateByLanguage(NotificationTarget $target, $user_infos = array(), $event, $options = array())
 {
     $lang = array();
     $language = $user_infos['language'];
     if (isset($user_infos['additionnaloption'])) {
         $additionnaloption = $user_infos['additionnaloption'];
     } else {
         $additionnaloption = array();
     }
     $tid = $language;
     $tid .= serialize($additionnaloption);
     $tid = sha1($tid);
     if (!isset($this->templates_by_languages[$tid])) {
         //Switch to the desired language
         $bak_dropdowntranslations = $_SESSION['glpi_dropdowntranslations'];
         $_SESSION['glpi_dropdowntranslations'] = DropdownTranslation::getAvailableTranslations($language);
         Session::loadLanguage($language);
         $bak_language = $_SESSION["glpilanguage"];
         $_SESSION["glpilanguage"] = $language;
         //If event is raised by a plugin, load it in order to get the language file available
         if ($plug = isPluginItemType(get_class($target->obj))) {
             Plugin::loadLang(strtolower($plug['plugin']), $language);
         }
         //Get template's language data for in this language
         $options['additionnaloption'] = $additionnaloption;
         $data =& $target->getForTemplate($event, $options);
         $footer_string = Html::entity_decode_deep(sprintf(__('Automatically generated by GLPI %s'), GLPI_VERSION));
         $add_header = Html::entity_decode_deep($target->getContentHeader());
         $add_footer = Html::entity_decode_deep($target->getContentFooter());
         //Restore default language
         $_SESSION["glpilanguage"] = $bak_language;
         Session::loadLanguage();
         $_SESSION['glpi_dropdowntranslations'] = $bak_dropdowntranslations;
         if ($plug = isPluginItemType(get_class($target->obj))) {
             Plugin::loadLang(strtolower($plug['plugin']));
         }
         if ($template_datas = $this->getByLanguage($language)) {
             //Template processing
             // Decode html chars to have clean text
             $template_datas['content_text'] = Html::entity_decode_deep($template_datas['content_text']);
             $save_data = $data;
             $data = Html::entity_decode_deep($data);
             $template_datas['subject'] = Html::entity_decode_deep($template_datas['subject']);
             $this->signature = Html::entity_decode_deep($this->signature);
             $lang['subject'] = $target->getSubjectPrefix($event) . self::process($template_datas['subject'], $data);
             $lang['content_html'] = '';
             //If no html content, then send only in text
             if (!empty($template_datas['content_html'])) {
                 // Encode in HTML all chars
                 $data_html = Html::entities_deep($data);
                 $data_html = Html::nl2br_deep($data_html);
                 // Restore HTML tags
                 if (count($target->html_tags)) {
                     foreach ($target->html_tags as $tag) {
                         if (isset($save_data[$tag])) {
                             $data_html[$tag] = $save_data[$tag];
                         }
                     }
                 }
                 $signature_html = Html::entities_deep($this->signature);
                 $signature_html = Html::nl2br_deep($signature_html);
                 $template_datas['content_html'] = self::process($template_datas['content_html'], $data_html);
                 $lang['content_html'] = "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n                        'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>" . "<html>\n                        <head>\n                         <META http-equiv='Content-Type' content='text/html; charset=utf-8'>\n                         <title>" . Html::entities_deep($lang['subject']) . "</title>\n                         <style type='text/css'>\n                           " . $this->fields['css'] . "\n                         </style>\n                        </head>\n                        <body>\n" . (!empty($add_header) ? $add_header . "\n<br><br>" : '') . $template_datas['content_html'] . "<br><br>-- \n<br>" . $signature_html . "<br>{$footer_string}" . "<br><br>\n" . (!empty($add_footer) ? $add_footer . "\n<br><br>" : '') . "\n</body></html>";
             }
             $lang['content_text'] = (!empty($add_header) ? $add_header . "\n\n" : '') . Html::clean(self::process($template_datas['content_text'], $data) . "\n\n-- \n" . $this->signature . "\n" . Html::entity_decode_deep(sprintf(__('Automatically generated by GLPI %s'), GLPI_VERSION))) . "\n\n" . $add_footer;
             $this->templates_by_languages[$tid] = $lang;
         }
     }
     if (isset($this->templates_by_languages[$tid])) {
         return $tid;
     }
     return false;
 }