- var_dump: documentation ( source)
<?php
$petsounds = array("cat" => "meow",
"dog" => "woof",
"snake" => "hiss");
$petsounds{'mouse'} = "squeak";
var_dump($petsounds);
$obj = new stdClass;
$obj->ps = $petsounds;
$obj->ps{"fox"} = "Gding, ding, ding";
var_dump($obj);
$obj->{'123'} = "the end";
var_dump($obj);