- var_dump: documentation ( source)
- json_decode: documentation ( source)
<?php
var_dump( json_decode('{"0":0,"1":0,"2":0,"3":0,"4":0,"5":0,"6":0,"7":0,"8":0,"9":0,"10":0,"11":0,"12":0,"13":0,"14":0,"15":0,"16":0,"17":0,"18":0,"19":0,"20":0,"21":0,"22":1,"23":0,"24":0}'));