Json to PHP associative array

<?php
## JSON : an object with attribute with key name and values as value
$json = '
          {
             "key": "value",
             "key2": "value2"
          }
 ';
$assoc = true;
$result = json_decode ($json, $assoc);
?>

##$result (php code):

<?php
array (
  'key' => 'value',
  'key2' => 'value2',
);
?>