function OnCheckRegId() { ShowMsg("OnCheckRegId."); $userid = $_GET['memberid']; global $db; global $dbaddr, $dbuser, $dbpwd, $dbname; if (!$db) { $db = new db_sql(); $db->connect($dbaddr, $dbuser, $dbpwd, $dbname); ShowMsg("receate db ."); } if (!$db) { return; } $sql = "select userid from tb_members where userid='" . $userid . "'"; ShowMsg("query db width ." . $sql); $query = $db->query($sql); if (!$query) { echo GetErrorResult("CHECK_MEM_ID", 0); $db->close(); return; } $count = $db->num_rows($query); $db->close(); if ($count > 0) { echo GetErrorResult("CHECK_MEM_ID", 2); } else { echo GetErrorResult("CHECK_MEM_ID", 0); } return TRUE; }