- var_dump: documentation ( source)
- serialize: documentation ( source)
<?php
$_SERVER['REQUEST_TIME_FLOAT'] = 1359377632.3181;
$_SERVER['REQUEST_TIME'] = 1359377632;
var_dump(serialize($GLOBALS));
var_dump(serialize(array('GLOBALS' => $GLOBALS)));
var_dump(serialize(array('GLOBALS' => array('GLOBALS' => $GLOBALS))));