From 88408ec83f1ab3a6a8660c7a3b2543e7c806df06 Mon Sep 17 00:00:00 2001
From: Christian Ebert <ebert.chris@12live.de>
Date: Wed, 4 May 2022 09:09:56 +0200
Subject: [PATCH] PHP 8.1 Deprecated: strtr(): Passing null to parameter #1
 ($string) of type string is deprecated on line 147

---
 library/Zend/View/Helper/FormElement.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/Zend/View/Helper/FormElement.php b/library/Zend/View/Helper/FormElement.php
index 90fa340b45..fa43ae2e42 100644
--- a/library/Zend/View/Helper/FormElement.php
+++ b/library/Zend/View/Helper/FormElement.php
@@ -142,7 +142,7 @@ protected function _getInfo($name, $value = null, $attribs = null,
         // Set ID for element
         if (array_key_exists('id', $attribs)) {
             $info['id'] = (string)$attribs['id'];
-        } else if ('' !== $info['name']) {
+        } else if (is_string($info['name']) && '' !== $info['name']) {
             $info['id'] = trim(strtr($info['name'],
                                      ['[' => '-', ']' => '']), '-');
         }