check_unit.php

<?php
//check_unit.php
header('content-type:json');
$data=true; //asumsikan benar
$status_code=200;

//========Anggap gagal
/*
$data=array('message'=>'maaf gagal');
$status_code = 244;
*/


$result=array(
    'status_code'=>$status_code,
    'data'=>$data
);


echo json_encode($result);