From 58cceaaec204e285bbcf42ee90a3757cf11b9905 Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Sun, 11 Feb 2018 15:11:53 +0100
Subject: [PATCH] Fix text validation in `TextFormField`

See #2509
---
 .../files/lib/system/form/builder/field/TextFormField.class.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wcfsetup/install/files/lib/system/form/builder/field/TextFormField.class.php b/wcfsetup/install/files/lib/system/form/builder/field/TextFormField.class.php
index 83b621eef9..26e1c27167 100644
--- a/wcfsetup/install/files/lib/system/form/builder/field/TextFormField.class.php
+++ b/wcfsetup/install/files/lib/system/form/builder/field/TextFormField.class.php
@@ -44,7 +44,7 @@ class TextFormField extends AbstractFormField implements II18nFormField, IMaximu
 			}
 		}
 		else {
-			if ($this->isRequired() && $this->getValue() === '') {
+			if ($this->isRequired() && ($this->getValue() === null || $this->getValue() === '')) {
 				$this->addValidationError(new FormFieldValidationError('empty'));
 			}
 			else {
-- 
2.20.1