From ce5e42b6b4358a54af95e5c0f0e02a54bcb7491a Mon Sep 17 00:00:00 2001
From: Aaron Lindsay <aaron@aclindsay.com>
Date: Thu, 23 Jan 2014 23:32:15 -0500
Subject: [PATCH] Check if $_SERVER['HTTPS'] is set

---
 common.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/common.php b/common.php
index 14178c8..80cefd7 100644
--- a/common.php
+++ b/common.php
@@ -1,8 +1,9 @@
 <?php
 function get_protocol() {
 	$protocol = "http";
-	if ( (!empty($_SERVER['HTTPS'] && $_SERVER['HTTPS'] !== 'off') ||
-		$_SERVER['SERVER_PORT'] == 443) )
+	if ( (isset($_SERVER['HTTPS']) && !empty($_SERVER['HTTPS']
+			&& $_SERVER['HTTPS'] !== 'off') ||
+			$_SERVER['SERVER_PORT'] == 443) )
 		$protocol = "https";
 	return $protocol."://";
 }