From 849e781208fbc1a0b877ba80a511aebfd2aaa82c Mon Sep 17 00:00:00 2001
From: Alexander Nell <axelalex2@gmx.de>
Date: Thu, 27 Feb 2020 00:41:01 +0100
Subject: [PATCH] Solve non-numeric warning on self-triggered debug notice

---
 core/ErrorHandler.php | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/core/ErrorHandler.php b/core/ErrorHandler.php
index 88edd08c..611dd772 100644
--- a/core/ErrorHandler.php
+++ b/core/ErrorHandler.php
@@ -253,8 +253,8 @@ class ErrorHandler {
 	 * @return bool
 	 */
 	private static function isUserErrorNumber($errorNumber) {
-		return ($errorNumber & E_USER_ERROR || $errorNumber & E_USER_WARNING || $errorNumber & E_USER_NOTICE
-		        || $errorNumber & E_USER_DEPRECATED);
+		$userError = (E_USER_ERROR | E_USER_WARNING | E_USER_NOTICE | E_USER_DEPRECATED);
+		return is_int($errorNumber) && ($errorNumber & $userError);
 	}
 
 	/**
@@ -265,7 +265,7 @@ class ErrorHandler {
 	 */
 	public static function isFatalError($errorNumber) {
 		$fatalError = (E_ERROR | E_PARSE | E_CORE_ERROR | E_COMPILE_ERROR | E_USER_ERROR | E_RECOVERABLE_ERROR);
-		return ($errorNumber & $fatalError);
+		return is_int($errorNumber) && ($errorNumber & $fatalError);
 	}
 
 	/**