From d1c927ff2372a422ca8d5145aee6ba5192355f80 Mon Sep 17 00:00:00 2001
From: Robbie Averill <robbie@silverstripe.com>
Date: Wed, 24 Jul 2019 12:17:49 +0200
Subject: [PATCH] FIX Remove curly brace access to string offsets, deprecated
 in PHP 7.4

---
 src/Control/Email/Email.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/Control/Email/Email.php b/src/Control/Email/Email.php
index c343fade4..f60b4286e 100644
--- a/src/Control/Email/Email.php
+++ b/src/Control/Email/Email.php
@@ -192,8 +192,9 @@ class Email extends ViewableData
                 return strtr($email, $obfuscated);
             case 'hex':
                 $encoded = '';
-                for ($x = 0; $x < strlen($email); $x++) {
-                    $encoded .= '&#x' . bin2hex($email{$x}) . ';';
+                $emailLength = strlen($email);
+                for ($x = 0; $x < $emailLength; $x++) {
+                    $encoded .= '&#x' . bin2hex($email[$x]) . ';';
                 }
 
                 return $encoded;