Online PHP editor | vld for cKMTJ

<?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); echo is_array($obj->ps)? 'true':'false',"\n"; echo is_array($obj->{'123'})? 'true':'false',"\n";