replace all non-numeric values in update array with U for unknown

diff --git a/include/classes/rrdstat.php-class b/include/classes/rrdstat.php-class
index 55ffaec9d380e2ac7099597ddfb7757a92c91149..1c2306bb56f294f43a3743f1cf381cbc1ea50b8c 100644 (file)
--- a/include/classes/rrdstat.php-class
+++ b/include/classes/rrdstat.php-class
@@ -157,6 +157,8 @@ class rrdstat {
         $upvals = explode("\n", ob_get_contents());
         ob_end_clean();
       }
+      $walkfunc = create_function('&$val', 'return (is_numeric($val)?$val:"U");');
+      array_walk($upvals, $walkfunc);
     }
     else {
       foreach ($this->rrd_fields as $ds) {