diff --git a/httprl.module b/httprl.module
index 02a3345..b308500 100644
--- a/httprl.module
+++ b/httprl.module
@@ -1838,6 +1838,15 @@ function httprl_lock_release($name) {
 function httprl_pr($data) {
   // Get extra arguments passed in.
   $data = func_get_args();
+
+  // If empty print out the dump of that variable.
+  foreach ($data as $key => &$value) {
+    if (strlen(print_r($value, TRUE)) == 0) {
+      $value = strtoupper(var_export($value, TRUE));
+    }
+  }
+
+  // Merge into base array if only one argument passed in.
   if (count($data) == 1) {
     $data = array_pop($data);
   }