<?php

$tmpRecord = array(
    'engine'=>'Bob',
    'browser'=>'Jim',
    'platform2'=>'05/20/2007',
);
    
$data = array();    
for ($i=0; $i <= $_POST['draw'] % 2; $i++) {
    $data[] = $tmpRecord;
    $data[count($data)-1]['engine'] .= chr(65+$i);
    $data[count($data)-1]['browser'] .= chr(86-$i);
}

$arr = array(
    'draw'=>$_POST['draw'],
    'recordsTotal'=>1,
    'recordsFiltered'=>1,
    'error'=>'',
    'data'=>$data
);
    
echo json_encode($arr);