- json_decode: documentation ( source)
- print_r: documentation ( source)
- json_encode: documentation ( source)
<?php
$var = array('in_monitoring' => new DateTime('now', new DateTimeZone('UTC')));
$json = json_encode($var);
echo $json;
$arr = json_decode($json);
print_r($arr);
echo PHP_EOL, $arr['in_monitoring']->format('Y-m-d H:i:s');