foreach (postRequestElement('sel') as $id => $value) {
// Update database
SQL_QUERY_ESC("UPDATE `{?_MYSQL_PREFIX?}_must_register` SET `field_required`='%s' WHERE `id`=%s AND `field_required` != '%s' LIMIT 1",
foreach (postRequestElement('sel') as $id => $value) {
// Update database
SQL_QUERY_ESC("UPDATE `{?_MYSQL_PREFIX?}_must_register` SET `field_required`='%s' WHERE `id`=%s AND `field_required` != '%s' LIMIT 1",