<?php
$data = db("i_t_p_s")->where("id", $request['key'])->first();

$dataToUpdate = [
    'sub' => $data->subcontractor,
    'ste' => $data->ste,
    'cas' => $data->cas, 
    'mf' => $data->mf
];

$uniqueFields = [
    'itp' => $data->itp_no,
    'phase' => $data->item_no
];

echo db('r_f_i_s')->updateOrInsert($uniqueFields, $dataToUpdate);
?>