diff --git a/test/other/test_uncrypt.php b/test/other/test_uncrypt.php
new file mode 100755
index 00000000000..f57815aa2a2
--- /dev/null
+++ b/test/other/test_uncrypt.php
@@ -0,0 +1,20 @@
+#!/usr/bin/env php
+<?php
+
+$path = __DIR__ . '/';
+
+
+$res=@include_once $path.'/../htdocs/master.inc.php';
+$res=@include_once $path.'/../../htdocs/master.inc.php';
+if (! $res) @include_once '../../master.inc.php';
+if (! $res) @include_once '../master.inc.php';
+if (! $res) @include_once './master.inc.php';
+
+
+print "Decode a value crypted with crypted:.... in conf.php file\n";
+
+print dol_decode('123456789');
+
+print "\n";
+
+//print print_r(unserialize(serialize($object)));