<!DOCTYPE html>
<html>
<body>
<?php
$jsonobj = '{"Peter":35,"Ben":37,"Joe":43}';
$obj = json_decode($jsonobj);
foreach($obj as $key => $value) {
echo $key . " => " . $value . "<br>";
}
?>
</body>
</html>
Peter => 35
Ben => 37
Joe => 43
Ben => 37
Joe => 43