From f33566be1c5138ee1e43ac5b4a23c29700039716 Mon Sep 17 00:00:00 2001
From: raviks789 <33730024+raviks789@users.noreply.github.com>
Date: Tue, 7 Jun 2022 14:07:44 +0200
Subject: [PATCH] Avoid passing null as hastack to `strpos` in
 library/vendor/Zend/Form::_dissolveArrayValue()

---
 library/vendor/Zend/Form.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/vendor/Zend/Form.php b/library/vendor/Zend/Form.php
index 213ad301f..91987ac53 100644
--- a/library/vendor/Zend/Form.php
+++ b/library/vendor/Zend/Form.php
@@ -2109,7 +2109,7 @@ class Zend_Form implements Iterator, Countable, Zend_Validate_Interface
     protected function _dissolveArrayValue($value, $arrayPath)
     {
         // As long as we have more levels
-        while ($arrayPos = strpos($arrayPath, '[')) {
+        while ($arrayPos = strpos($arrayPath ?? '', '[')) {
             // Get the next key in the path
             $arrayKey = trim(substr($arrayPath, 0, $arrayPos), ']');