download_disputes.php

<?php
// how to run:
// php download_disputes.php
// Works on Mac OS X
// It will generate (and overwrite) a csv file with name disputes.csv

// Update your valid Live Secret Key, this is only a test key:
$skey = 'skey_';

// Output file name
$filename = './disputes.csv';

// Dates to retrieve data
$from = '2016-01-01';
$to = '2016-12-31';

// Miximum limit for API is 100 records
$limit = '100';

$response = shell_exec("curl -s https://api.omise.co/disputes -X GET -u $skey: -d 'from=$from' -d 'to=$to' -d 'offset=0' -d 'limit=$limit'");

$disputes = json_decode($response, true);

if ($disputes['object'] === 'error') {
    echo $disputes['code'] . ', ' . $disputes['message'];
    die();
}

if ($disputes['total'] === 0) {
    echo 'No data found';
}

$csv_header = array(
    'id',
    'amount',
    'currency',
    'status',
    'transaction',
    'message',
    'reason_code',
    'reason_message',
    'charge',
    'created',
);

$file = fopen($filename, 'w');
fputcsv($file, $csv_header);

foreach ($disputes['data'] as $dispute) {
    unset($dispute['object']);
    unset($dispute['livemode']);
    unset($dispute['location']);

    fputcsv($file, $dispute);
}

fclose($file);