From 9ff51aafc518460e6c45996f09e9fe74e5f8d2e8 Mon Sep 17 00:00:00 2001
From: Morris Jobke <hey@morrisjobke.de>
Date: Thu, 25 Jan 2018 22:26:47 +0100
Subject: Use index based string access for substr with length of 1

Signed-off-by: Morris Jobke <hey@morrisjobke.de>
---
 lib/private/Avatar.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'lib/private/Avatar.php')

diff --git a/lib/private/Avatar.php b/lib/private/Avatar.php
index b3df607a32b..4cacc801689 100644
--- a/lib/private/Avatar.php
+++ b/lib/private/Avatar.php
@@ -263,7 +263,7 @@ class Avatar implements IAvatar {
 	 * @return string
 	 */
 	private function generateAvatar($userDisplayName, $size) {
-		$text = strtoupper(substr($userDisplayName, 0, 1));
+		$text = strtoupper($userDisplayName[0]);
 		$backgroundColor = $this->avatarBackgroundColor($userDisplayName);
 
 		$im = imagecreatetruecolor($size, $size);
-- 
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