From da9b48cbcd928aa0eff63163dcb7b38f29ae84a6 Mon Sep 17 00:00:00 2001
From: Anthon Pang <anthonp@nationalfibre.net>
Date: Mon, 22 Jul 2013 09:57:08 -0400
Subject: [PATCH] fixes PR #20 when using randomly generated run ids (better
 patch by @slava-vishnyakov)

---
 xhprof_lib/utils/xhprof_lib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xhprof_lib/utils/xhprof_lib.php b/xhprof_lib/utils/xhprof_lib.php
index 53119f51..ff4cda8a 100644
--- a/xhprof_lib/utils/xhprof_lib.php
+++ b/xhprof_lib/utils/xhprof_lib.php
@@ -906,7 +906,7 @@ function xhprof_param_init($params) {
     }
 
     if ($k === 'run') {
-      $p = implode(',', array_filter(explode(',', $p), 'is_numeric'));
+      $p = implode(',', array_filter(explode(',', $p), 'ctype_xdigit'));
     }
 
     // create a global variable using the parameter name.