- var_dump: documentation ( source)
- preg_replace: documentation ( source)
<?php
if (PHP_VERSION_ID === 50508)
{
$string = "miauw\xe1\x8e\xa3\xf0\x90\x8a\xa0";
preg_replace('/./uD', '', $string, -1, $count);
var_dump(
$string,
$count
);
}