From 85422fd0ae67fa5f169d68adbce81f0d9c9d720f Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Fri, 27 Sep 2019 17:11:18 +0200
Subject: [PATCH] Fix reading enum values from database table column data

---
 .../table/column/AbstractDatabaseTableColumn.class.php        | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wcfsetup/install/files/lib/system/database/table/column/AbstractDatabaseTableColumn.class.php b/wcfsetup/install/files/lib/system/database/table/column/AbstractDatabaseTableColumn.class.php
index eb489c9b71..379b661bad 100644
--- a/wcfsetup/install/files/lib/system/database/table/column/AbstractDatabaseTableColumn.class.php
+++ b/wcfsetup/install/files/lib/system/database/table/column/AbstractDatabaseTableColumn.class.php
@@ -173,8 +173,8 @@ abstract class AbstractDatabaseTableColumn implements IDatabaseTableColumn {
 			$column->decimals($data['decimals'] ?: null);
 		}
 		
-		if ($column instanceof IEnumDatabaseTableColumn) {
-			$values = explode(',', $data['enumValues'] ?? []);
+		if ($column instanceof IEnumDatabaseTableColumn && !empty($data['enumValues'])) {
+			$values = explode(',', $data['enumValues'] ?? '');
 			
 			$values = array_map(function($value) {
 				// trim one leading and one trailing `'`
-- 
2.20.1