From f01ec4a98fe5b0516588dde6d76b4b3ac2f0d1cd Mon Sep 17 00:00:00 2001
From: Jordi Boggiano <j.boggiano@seld.be>
Date: Wed, 3 Apr 2024 10:36:39 +0200
Subject: [PATCH] Ensure integer env vars do not cause a crash, fixes #11908

---
 src/Composer/Factory.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Composer/Factory.php b/src/Composer/Factory.php
index 03a5fa2ae..0d455b7e3 100644
--- a/src/Composer/Factory.php
+++ b/src/Composer/Factory.php
@@ -681,7 +681,7 @@ class Factory
     private static function useXdg(): bool
     {
         foreach (array_keys($_SERVER) as $key) {
-            if (strpos($key, 'XDG_') === 0) {
+            if (strpos((string) $key, 'XDG_') === 0) {
                 return true;
             }
         }