// Mark user binds as deleted.
$sql = "update tt_user_project_binds set status = NULL where user_id = $user_id";
$affected = $mdb2->exec($sql);
// Mark user binds as deleted.
$sql = "update tt_user_project_binds set status = NULL where user_id = $user_id";
$affected = $mdb2->exec($sql);