From d6e9f9b41ffc693005f08af035e987d24cbda1c7 Mon Sep 17 00:00:00 2001
From: Ferdinand Kuhl <f.kuhl@digital-competence.de>
Date: Fri, 1 Oct 2021 19:13:03 +0200
Subject: [PATCH] Disallow is_null

---
 src/DigiComp/ruleset.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/DigiComp/ruleset.xml b/src/DigiComp/ruleset.xml
index 7c0515c..fa0b776 100644
--- a/src/DigiComp/ruleset.xml
+++ b/src/DigiComp/ruleset.xml
@@ -60,7 +60,7 @@
 
     <rule ref="Generic.PHP.ForbiddenFunctions">
         <properties>
-            <property name="forbiddenFunctions" type="array" value="sizeof=>count,delete=>unset,xdebug_break=>null,join=>implode"/>
+            <property name="forbiddenFunctions" type="array" value="sizeof=>count,delete=>unset,xdebug_break=>null,join=>implode,is_null=>null"/>
         </properties>
     </rule>
     <rule ref="Generic.Formatting.SpaceAfterCast">