$client_part = " and i.client_id = $user->client_id";
$sql = "select i.id, i.name, i.date, i.client_id, i.status, c.name as client_name from tt_invoices i
$client_part = " and i.client_id = $user->client_id";
$sql = "select i.id, i.name, i.date, i.client_id, i.status, c.name as client_name from tt_invoices i