- mb_convert_encoding: documentation ( source)
- var_dump: documentation ( source)
- mb_detect_encoding: documentation ( source)
- htmlentities: documentation ( source)
<?php
$string = "â€";
var_dump(htmlentities($string, ENT_QUOTES, "UTF-8"));
var_dump(mb_convert_encoding($string, "HTML-ENTITIES", mb_detect_encoding($string)));