Parsing json data

<?php
$jsonData = '{"message-count":"1","messages":[{"to":"91XXXXXX","message-price":"0.00450000","status":"0","message-id":"010000000A37CCF1","remaining-balance":"1.91450000","network":"40402"}]}';
$obj = json_decode($jsonData, true);
echo "<br>message Count". $obj['message-count'];
echo "<br>message to". $obj['messages'][0]['to'];

/*
 $string='{"name":"John Adams"}';
// create object from string
$json_o=json_decode($string);
// create array from string
$json_a=json_decode($string,true);
 */
?>