- var_dump: documentation ( source)
- html_entity_decode: documentation ( source)
<?php
$str = '{"temp":{"base":"http://cs627723.vk.me/v627723193/","x_":["3c001/5REBGPGXONM",604,402],"y_":["3c002/CqkjNVaJ6io",807,537],"z_":["3c003/ougqlkdsVeA",1280,851]},queue:1}';
var_dump(html_entity_decode($str));