better name for undefined var used for testing

diff --git a/demo/server/server.php b/demo/server/server.php
index 03bbab5..c88c384 100644 (file)
--- a/demo/server/server.php
+++ b/demo/server/server.php
@@ -42,7 +42,7 @@ class xmlrpc_server_methods_container
      */
     public function phpwarninggenerator($m)
     {
-        $a = $b; // this triggers a warning in E_ALL mode, since $b is undefined
+        $a = $undefinedVariable; // this triggers a warning in E_ALL mode, since $undefinedVariable is undefined
         return new PhpXmlRpc\Response(new PhpXmlRpc\Value(1, 'boolean'));
     }