From 7d14d775ccf52e41af1efc686f30b913945464a2 Mon Sep 17 00:00:00 2001
From: Christian Heel <66922325+heelc29@users.noreply.github.com>
Date: Mon, 24 Aug 2026 21:14:35 +0200
Subject: [PATCH 1/2] [4.x] fix phpstan issue

Negated boolean expression is always false
---
 src/InputFilter.php | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/InputFilter.php b/src/InputFilter.php
index ed60b0cc..f8aedf61 100644
--- a/src/InputFilter.php
+++ b/src/InputFilter.php
@@ -382,13 +382,13 @@ protected function cleanTags($source)
             }
 
             /*
-             * Exclude all "non-regular" tagnames
-             * OR no tagname
+             * No tagname
+             * OR exclude all "non-regular" tagnames
              * OR remove if xssauto is on and tag is blocked
              */
             if (
-                (!preg_match('/^[a-z][a-z0-9]*$/i', $tagName))
-                || (!$tagName)
+                (!$tagName)
+                || (!preg_match('/^[a-z][a-z0-9]*$/i', $tagName))
                 || ((\in_array(strtolower($tagName), $this->blockedTags)) && $this->xssAuto)
             ) {
                 $postTag      = substr($postTag, ($tagLength + 2));

From b61bea88c911283edbf6e0faa7570fa739a9278d Mon Sep 17 00:00:00 2001
From: Christian Heel <66922325+heelc29@users.noreply.github.com>
Date: Mon, 24 Aug 2026 21:01:06 +0200
Subject: [PATCH 2/2] Update phpstan-baseline.neon

---
 phpstan-baseline.neon | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/phpstan-baseline.neon b/phpstan-baseline.neon
index 78094ae4..5578f462 100644
--- a/phpstan-baseline.neon
+++ b/phpstan-baseline.neon
@@ -17,9 +17,3 @@ parameters:
 			identifier: function.alreadyNarrowedType
 			count: 1
 			path: src/OutputFilter.php
-
-		-
-			message: '#^Method Joomla\\Filter\\OutputFilter\:\:cleanText\(\) never assigns null to &\$text so it can be removed from the by\-ref type\.$#'
-			identifier: parameterByRef.unusedType
-			count: 1
-			path: src/OutputFilter.php