- parse_str: documentation ( source)
- print_r: documentation ( source)
<?php
$get_string = "TOKEN=EC%2d09F245458F168291J&TIMESTAMP=2015%2d08%2d29T08%3a22%3a55Z&CORRELATIONID=bf30a7057eaa1&ACK=Success&VERSION=78&BUILD=000000";
parse_str($get_string, $get_array);
print_r($get_array);
echo $get_array['ACK'];