- json_decode: documentation ( source)
- date_default_timezone_set: documentation ( source)
- json_encode: documentation ( source)
<?php
date_default_timezone_set('Asia/Tokyo');
$datetime = new DateTime('now');
$array = array(
'datetime' => $datetime
);
echo json_encode($array);
$json = json_encode($array);
$des = json_decode($json);
echo $des['datetime']->format('Y-m-d');