From e38c30ff0d9e4ae8ae31a59836fb8e9891f559a5 Mon Sep 17 00:00:00 2001
From: Daniel Hensby <dhensby@silverstripe.com>
Date: Tue, 17 Jul 2018 15:53:38 +0100
Subject: [PATCH] FIX sizeof doesnt work with null types

---
 dev/install/install.php5 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/dev/install/install.php5 b/dev/install/install.php5
index 2ae0689f9..2d8b172ce 100755
--- a/dev/install/install.php5
+++ b/dev/install/install.php5
@@ -1232,11 +1232,11 @@ class InstallRequirements {
 	}
 
 	public function hasErrors() {
-		return sizeof($this->errors);
+		return empty($this->errors) ? 0 : sizeof($this->errors);
 	}
 
 	public function hasWarnings() {
-		return sizeof($this->warnings);
+		return empty($this->warnings) ? 0 : sizeof($this->warnings);
 	}
 
 }