diff --git a/html/admin/test_me.php b/html/admin/test_me.php
new file mode 100644
index 000000000..4066ca15e
--- /dev/null
+++ b/html/admin/test_me.php
@@ -0,0 +1,15 @@
+<?
+
+require_once('ac_common.php');
+
+echo "<h1>check sql_filter_per</h1>";
+$a=sql_filter_per(1,1);
+$ra=($a==" jr_tech_per = 1 ")?'OK':'ERROR';
+echo $a." ".$ra."<br>";
+$b= FormatString(sql_filter_per('3','7'));
+$exp=FormatString('jr_tech_per in (select p_id from parm_periode  where p_start >= 3 and p_end <= 7)');
+$rb=(strcmp($b,$exp)==0)?'OK':'ERROR';
+
+echo "Received $b <br> Expected $exp $rb<br>";
+
+?>