From 0c4b59d4da700906cd260400738e0f538293b829 Mon Sep 17 00:00:00 2001
From: Bruno Salzano <d4kstar@gmail.com>
Date: Mon, 8 Jul 2013 00:26:32 +0200
Subject: [PATCH] Added check to avoid that the validate() function will play
 null files

---
 src/mg/PAGI/Node/Node.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/mg/PAGI/Node/Node.php b/src/mg/PAGI/Node/Node.php
index 40f30b8..315b047 100644
--- a/src/mg/PAGI/Node/Node.php
+++ b/src/mg/PAGI/Node/Node.php
@@ -503,10 +503,12 @@ public function validate()
                 $onError = $data['soundOnError'];
                 if (is_array($onError)) {
                     foreach ($onError as $msg) {
-                        $this->addPrePromptMessage($msg);
+                        if ($msg!=null)
+                            $this->addPrePromptMessage($msg);
                     }
                 } else {
-                    $this->addPrePromptMessage($onError);
+                    if ($onError!=null)
+                        $this->addPrePromptMessage($onError);
                 }
                 return false;
             }