From e330d8f86d1347485faa947adaa57723c567b1dc Mon Sep 17 00:00:00 2001
From: Kevin Sandy <kevin@digitallotus.com>
Date: Mon, 17 Feb 2025 13:45:44 -0500
Subject: [PATCH] Verify attribute value is a string before calling strlen

---
 src/Auth/Process/AttributeAddFromLDAP.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Auth/Process/AttributeAddFromLDAP.php b/src/Auth/Process/AttributeAddFromLDAP.php
index 3aac2d93f..3e366fc02 100644
--- a/src/Auth/Process/AttributeAddFromLDAP.php
+++ b/src/Auth/Process/AttributeAddFromLDAP.php
@@ -96,7 +96,7 @@ public function process(array &$state): void
         foreach ($attributes as $attr => $val) {
             $arrSearch[] = '%' . $attr . '%';
 
-            if (is_array($val) && count($val) > 0 && strlen($val[0]) > 0) {
+            if (is_array($val) && count($val) > 0 && is_string($val[0]) && strlen($val[0]) > 0) {
                 $arrReplace[] = $this->connector->escapeFilterValue($val[0], true);
             } else {
                 $arrReplace[] = '';