From 21b38455a4911c1c7baac0fc6e28ca4e97f29911 Mon Sep 17 00:00:00 2001
From: Justin Hunt <ubuntu@poodllone.poodll.com>
Date: Tue, 8 May 2018 14:11:51 +0900
Subject: [PATCH] more tweaks for unset ->url

---
 filter.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/filter.php b/filter.php
index 85f381e..617e786 100644
--- a/filter.php
+++ b/filter.php
@@ -413,7 +413,7 @@ function filter_generico_callback(array $link){
 	$require_amd = $conf['template_amd_' . $tempindex] && $CFG->version>=2015051100;
 	
 	//figure out if this is https or http. We don't want to scare the browser
-	if(strpos($PAGE->url->out(),'https:')===0){
+	if(property_exists($PAGE, 'url') && strpos($PAGE->url->out(),'https:')===0){
 		$scheme='https:';
 	}else{
 		$scheme='http:';