From b42fd99b78aa3634430ca70d976962cfd9f8fbdc Mon Sep 17 00:00:00 2001
From: chansizzle <14916599+chansizzle@users.noreply.github.com>
Date: Tue, 24 Sep 2019 16:38:38 -0600
Subject: [PATCH] Update user_settings.php (#4651)

remove potential for "Warning: sizeof(): Parameter must be an array or an object that implements Countable"
---
 core/user_settings/user_settings.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/user_settings/user_settings.php b/core/user_settings/user_settings.php
index 85fd737f8e..9a4ff74f1c 100644
--- a/core/user_settings/user_settings.php
+++ b/core/user_settings/user_settings.php
@@ -280,7 +280,7 @@
 	unset($user_settings);
 
 	// check or uncheck all category checkboxes
-	if (sizeof($subcat_ids) > 0) {
+	if (is_array($subcat_ids) && sizeof($subcat_ids) > 0) {
 		echo "<script>\n";
 		echo "	function check(what, category) {\n";
 		foreach ($subcat_ids as $user_setting_category => $checkbox_ids) {