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* File : ref.php *
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* File : ref.php *
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// Redirect only to registration page when this script is installed
if (isBooleanConstantAndTrue('mxchange_installed')) {
// Redirect only to registration page when this script is installed
if (isBooleanConstantAndTrue('mxchange_installed')) {
if (!empty($_GET['ref'])) $ref = secureString($_GET['ref']);
elseif (!empty($_GET['refid'])) $ref = secureString($_GET['refid']);
if (!empty($ref)) {
// Test if nickname or numeric id
if (!empty($_GET['ref'])) $ref = secureString($_GET['ref']);
elseif (!empty($_GET['refid'])) $ref = secureString($_GET['refid']);
if (!empty($ref)) {
// Test if nickname or numeric id
if (EXT_IS_ACTIVE("nickname")) {
// Nickname in URL, so load the ID
$result = SQL_QUERY_ESC("SELECT userid FROM "._MYSQL_PREFIX."_user_data WHERE nickname='%s' LIMIT 1",
if (EXT_IS_ACTIVE("nickname")) {
// Nickname in URL, so load the ID
$result = SQL_QUERY_ESC("SELECT userid FROM "._MYSQL_PREFIX."_user_data WHERE nickname='%s' LIMIT 1",