NotificationTarget::getInstance PHP Method

    static function getInstance($item, $event = '', $options = array())
    {
        if ($plug = isPluginItemType($item->getType())) {
            $name = 'Plugin' . $plug['plugin'] . 'NotificationTarget' . $plug['class'];
        } else {
            $name = 'NotificationTarget' . $item->getType();
        }
        $entity = 0;
        if (class_exists($name)) {
            //Entity ID exists in the options array
            if (isset($options['entities_id'])) {
                $entity = $options['entities_id'];
            } else {
                if ($item->getEntityID() >= 0) {
                    //Item which raises the event contains an entityID
                    $entity = $item->getEntityID();
                }
            }
            return new $name($entity, $event, $item, $options);
        }
        return false;
    }

 /**
  * Raise a notification event event
  *
  * @param $event the event raised for the itemtype
  * @param $item the object which raised the event
  * @param $options array options used
  * @param $label used for debugEvent()
  **/
 static function raiseEvent($event, $item, $options = array(), $label = '')
 {
     global $CFG_GLPI;
     //If notifications are enabled in GLPI's configuration
     if ($CFG_GLPI["use_mailing"]) {
         $email_processed = array();
         $email_notprocessed = array();
         //Get template's informations
         $template = new NotificationTemplate();
         $notificationtarget = NotificationTarget::getInstance($item, $event, $options);
         $entity = $notificationtarget->getEntity();
         //Foreach notification
         foreach (Notification::getNotificationsByEventAndType($event, $item->getType(), $entity) as $data) {
             $targets = getAllDatasFromTable('glpi_notificationtargets', 'notifications_id = ' . $data['id']);
             $notificationtarget->clearAddressesList();
             //Process more infos (for example for tickets)
             $notificationtarget->addAdditionnalInfosForTarget();
             $template->getFromDB($data['notificationtemplates_id']);
             $template->resetComputedTemplates();
             //Set notification's signature (the one which corresponds to the entity)
             $template->setSignature(Notification::getMailingSignature($entity));
             //Foreach notification targets
             foreach ($targets as $target) {
                 //Get all users affected by this notification
                 $notificationtarget->getAddressesByTarget($target, $options);
                 foreach ($notificationtarget->getTargets() as $user_email => $users_infos) {
                     if ($label || $notificationtarget->validateSendTo($users_infos)) {
                         //If the user have not yet been notified
                         if (!isset($email_processed[$users_infos['language']][$users_infos['email']])) {
                             //If ther user's language is the same as the template's one
                             if (isset($email_notprocessed[$users_infos['language']][$users_infos['email']])) {
                                 unset($email_notprocessed[$users_infos['language']][$users_infos['email']]);
                             }
                             if ($template->getTemplateByLanguage($notificationtarget, $users_infos, $event, $options)) {
                                 //Send notification to the user
                                 if ($label == '') {
                                     Notification::send($template->getDataToSend($notificationtarget, $users_infos, $options));
                                 } else {
                                     $notificationtarget->getFromDB($target['id']);
                                     echo "<tr class='tab_bg_2'><td>" . $label . "</td>";
                                     echo "<td>" . $notificationtarget->getNameID() . "</td>";
                                     echo "<td>" . $template->getName() . " (" . $users_infos['language'] . ")</td>";
                                     echo "<td>" . $users_infos['email'] . "</td>";
                                     echo "</tr>";
                                 }
                                 $email_processed[$users_infos['language']][$users_infos['email']] = $users_infos;
                             } else {
                                 $email_notprocessed[$users_infos['language']][$users_infos['email']] = $users_infos;
                             }
                         }
                     }
                 }
             }
         }
     }
     unset($email_processed);
     unset($email_notprocessed);
     $template = null;
     return true;
 }