- var_dump: documentation ( source)
- json_encode: documentation ( source)
<?php
$d = array('C:\Windows/F"o"\'o', '€ 55.-', "new \\n line \x01");
var_dump(json_encode($d));
var_dump($d);
var_dump(json_encode($d, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));