- var_dump: documentation ( source)
- json_decode: documentation ( source)
- json_encode: documentation ( source)
<?php
$d = array('holger@hütig.de');
$json = json_encode($d);
$json2 = '["holger@h\u00fctig.de"]';
var_dump($d,$json,json_decode($json), json_decode($json2));