From d237d64d0785b9ccd8ccfa14f3c6e5e140b2b126 Mon Sep 17 00:00:00 2001
From: Matthias Schmidt <gravatronics@live.com>
Date: Sun, 20 Dec 2020 11:05:19 +0100
Subject: [PATCH] Require label for `CheckboxFormField`

---
 .../form/builder/field/CheckboxFormField.class.php    | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/wcfsetup/install/files/lib/system/form/builder/field/CheckboxFormField.class.php b/wcfsetup/install/files/lib/system/form/builder/field/CheckboxFormField.class.php
index 7df2a5b09e..495577b3f4 100644
--- a/wcfsetup/install/files/lib/system/form/builder/field/CheckboxFormField.class.php
+++ b/wcfsetup/install/files/lib/system/form/builder/field/CheckboxFormField.class.php
@@ -12,17 +12,16 @@ use wcf\system\WCF;
  * @since	5.3
  */
 class CheckboxFormField extends BooleanFormField {
-	/**
-	 * @inheritDoc
-	 */
-	protected $templateName = '__checkboxFormField';
-	
 	/**
 	 * @inheritDoc
 	 */
 	public function getHtml() {
+		if ($this->requiresLabel() && $this->getLabel() === null) {
+			throw new \UnexpectedValueException("Form field '{$this->getPrefixedId()}' requires a label.");
+		}
+		
 		return WCF::getTPL()->fetch(
-			$this->templateName,
+			'__checkboxFormField',
 			'wcf',
 			[
 				'field' => $this,
-- 
2.20.1