php objects from json file

<?php
  // JSON string
  $someJSON = '[{"name":"Jonathan Suh","gender":"male"},{"name":"William Philbin","gender":"male"},{"name":"Allison McKinnery","gender":"female"}]';

  // Convert JSON string to Object
  $someObject = json_decode($someJSON);
  echo $someObject[0]->name; // Access Object data
?>

  <?php
$myObj->name = "John";
$myObj->age = 30;
$myObj->city = "New 
  York";

$myJSON = json_encode($myObj);

echo $myJSON;
?>