From f128b1382447200ab685dc0168b6c3a6df5a9676 Mon Sep 17 00:00:00 2001
From: Cameron <e107inc@gmail.com>
Date: Sun, 17 Feb 2019 15:37:13 -0800
Subject: [PATCH] Issue #3668 PHP 7.3 compatibility fix.

---
 e107_admin/userclass2.php         | 5 ++---
 e107_handlers/userclass_class.php | 4 ++--
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/e107_admin/userclass2.php b/e107_admin/userclass2.php
index 39e1021d5..d08e89bc7 100644
--- a/e107_admin/userclass2.php
+++ b/e107_admin/userclass2.php
@@ -141,7 +141,7 @@ e107::coreLan('userclass2', true);
 			return e107::getSingleton('user_class_admin');
 		}
 
-		public function beforeCreate($new_data)
+		public function beforeCreate($new_data, $old_data)
 		{
 			return $new_data;
 		}
@@ -157,7 +157,6 @@ e107::coreLan('userclass2', true);
 		public function beforeUpdate($new_data, $old_data, $id)
 		{
 
-
 			if(!empty($new_data['perms']))
 			{
 				$new_data['userclass_perms'] = implode(".",$new_data['perms']);
@@ -173,7 +172,7 @@ e107::coreLan('userclass2', true);
 			e107::getUserClass()->clearCache();
 		}
 
-		public function afterDelete($data,$id)
+		public function afterDelete($data,$id, $check = false)
 		{
 			e107::getUserClass()->clearCache();
 		}
diff --git a/e107_handlers/userclass_class.php b/e107_handlers/userclass_class.php
index 10e3d1f8f..5bf44ee6e 100644
--- a/e107_handlers/userclass_class.php
+++ b/e107_handlers/userclass_class.php
@@ -1486,8 +1486,8 @@ class user_class_admin extends user_class
 	 */
 	protected function show_graphical_subtree($listnum, $indent_images, $is_last = FALSE)
 	{
-			
-		$num_children = count(vartrue($this->class_tree[$listnum]['class_children']));
+		$tree = vartrue($this->class_tree[$listnum]['class_children'], array());
+		$num_children = count($tree);
 		$is_open = TRUE;
 		$tag_name = 'uclass_tree_'.$listnum;