From 408ef58feddfd68330d202664c9c1297fae99ee3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20S=CC=8Ckoda?= <commits@skodak.org>
Date: Sat, 8 Dec 2012 13:16:04 +0100
Subject: [PATCH] MDL-31424 compare PayPal emails case-insensitively

Credit goes to Chris Follin, thanks!
---
 enrol/paypal/ipn.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/enrol/paypal/ipn.php b/enrol/paypal/ipn.php
index 530cb85dc56..86951db621f 100644
--- a/enrol/paypal/ipn.php
+++ b/enrol/paypal/ipn.php
@@ -172,7 +172,7 @@ if (strlen($result) > 0) {
 
         }
 
-        if ($data->business != $plugin->get_config('paypalbusiness')) {   // Check that the email is the one we want it to be
+        if (textlib::strtolower($data->business) !== textlib::strtolower($plugin->get_config('paypalbusiness'))) {   // Check that the email is the one we want it to be
             message_paypal_error_to_admin("Business email is {$data->business} (not ".
                     $plugin->get_config('paypalbusiness').")", $data);
             die;