From dd4434fbca9366e38be1961f682f3dd1f374bd8b Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Tue, 31 Jul 2018 16:42:09 +0200
Subject: [PATCH] Fix `TSelectionFormField::_options = null` if no options are
 passed

See #2509
---
 .../system/form/builder/field/TSelectionFormField.class.php   | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wcfsetup/install/files/lib/system/form/builder/field/TSelectionFormField.class.php b/wcfsetup/install/files/lib/system/form/builder/field/TSelectionFormField.class.php
index 26dddcc92b..dbfa5e4bc8 100644
--- a/wcfsetup/install/files/lib/system/form/builder/field/TSelectionFormField.class.php
+++ b/wcfsetup/install/files/lib/system/form/builder/field/TSelectionFormField.class.php
@@ -160,6 +160,7 @@ trait TSelectionFormField {
 			$options = $dboOptions;
 		}
 		
+		$this->__options = [];
 		if ($nestedOptions) {
 			foreach ($options as $key => &$option) {
 				if (!is_array($option)) {
@@ -252,8 +253,7 @@ trait TSelectionFormField {
 			}
 		}
 		
-		if ($this->__options === null) {
-			$this->__options = [];
+		if ($this->__nestedOptions === null) {
 			$this->__nestedOptions = [];
 		}
 		
-- 
2.20.1