Add into MsgViewHelper.getType() and use_as_html protected var.

view/helpers/MsgViewHelper.php

@@ -18,6 +18,8 @@ class MsgViewHelper extends ViewHelper
 
     const WARNING = 'warning';
 
+    protected $use_as_html = false;
+
     private static $type_to_class = array(
         self::SUCCESS => 'success',
         self::ERROR => 'error',
@@ -63,6 +65,12 @@ class MsgViewHelper extends ViewHelper
         Session::set(__CLASS__, array('message' => $msg, 'type' => $type));
     }
 
+    public static function getType()
+    {
+        $msg = Session::get(__CLASS__, false);
+        return $msg ? $msg['type'] : '';
+    }
+
     public function withPrefix($css_prefix)
     {
         $this->css_prefix = $css_prefix;
@@ -75,7 +83,7 @@ class MsgViewHelper extends ViewHelper
         if ($msg) {
             Session::del(__CLASS__);
             $type_to_class = static::getTypeToClass();
-            return '<div class="' . $this->css_prefix . $type_to_class[$msg['type']] . '">' . $this->view->escape($msg['message']) . '</div>';
+            return '<div class="' . $this->css_prefix . $type_to_class[$msg['type']] . '">' . (($this->use_as_html)?$msg['message']:$this->view->escape($msg['message'])) . '</div>';
         }
         return '';
     }