- var_dump: documentation ( source)
<?php
$card = new stdClass();
$card->accountNumber = '15';
$card->foo = 'bar';
var_dump($card);
$request = new stdClass();
$request->card = $card;
var_dump($request);
$requestForLog = clone($request);
$requestForLog->card = "redacted";
var_dump($request);