From 2eeca0e91bcf64d3da2339a2f6daba2292257b46 Mon Sep 17 00:00:00 2001
From: ihabz <ihab.zeedia@stanford.edu>
Date: Mon, 16 Dec 2024 11:29:31 -0800
Subject: [PATCH] fix php error.

---
 src/urls.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/urls.php b/src/urls.php
index 039d1dc..8e790ba 100644
--- a/src/urls.php
+++ b/src/urls.php
@@ -26,6 +26,8 @@
 if (!defined('USERID') || USERID == '[survey respondent]') {
     $noAuth = '&NOAUTH';
 }
+
+$header  = $module->getProjectSetting("survey-scheduler-header");
 ?>
 
 <!--
@@ -83,7 +85,7 @@ class="hidden"/>
 <input type="hidden" id="user-email" value="<?php echo $user_email ?>" class="hidden"/>
 <input type="hidden" id="complementary-suffix" value="<?php echo $module->getSuffix() ?>" class="hidden"/>
 <input type="hidden" id="survey-scheduler-header"
-       value="<?php echo(isset($_GET['pid']) ? end($module->getProjectSetting("survey-scheduler-header")) : '') ?>"
+       value="<?php echo(isset($_GET['pid']) and is_array($header)? end($header) : '') ?>"
        class="hidden"/>
 <input type="hidden" value="<?php echo $module->getReservationEventId() ?>" name="reservation-events-id"
        id="survey-reservation-event-id">