- json_decode: documentation ( source)
- urldecode: documentation ( source)
- print_r: documentation ( source)
<?php
$var = json_decode(urldecode('%7B%22333%22%3A%22333%3A7%22%2C%22927%22%3A%22927%3A9%22%2C%22333%22%3A%22333%3A7%22%7D'));
echo "<pre>";print_r($var);die;