- var_dump: documentation ( source)
- var_export: documentation ( source)
- serialize: documentation ( source)
- date_default_timezone_set: documentation ( source)
- json_encode: documentation ( source)
<?php
date_default_timezone_set('Australia/Perth');
$d=new DateTime();
var_export($d);
var_dump(serialize($d));
$d = (array)$d;
$d['test']=3;
var_dump(json_encode($d));