Safety check on strpos

packaged · Mar 21, 2024 · d11d735 · d11d735
1 parent 338785b
commit d11d735
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/System.php b/src/System.php
@@ -161,7 +161,7 @@ public static function isAppEngine($server = null)
       $server = $_SERVER['SERVER_SOFTWARE'];
     }
 
-    return strpos($server, 'Google App Engine') !== false;
+    return $server && strpos($server, 'Google App Engine') !== false;
   }
 
   /**