# Pastebin 1mdLn2Nl
<?php

require_once('stripe-php-6.17.1/init.php');
\Stripe\Stripe::setApiKey("sk_test_xxxx");

foreach (\Stripe\BalanceTransaction::all(array("payout" => "po_xxx"))->autoPagingIterator() as $bt) {
   echo($bt->source."\n");
}
?>