- var_dump: documentation ( source)
- mb_detect_encoding: documentation ( source)
- mb_list_encodings: documentation ( source)
- mb_internal_encoding: documentation ( source)
<?php
mb_internal_encoding('UTF-8');
$value = 'g' . chr(0xa4) .'eld';
var_dump(mb_detect_encoding($value, mb_list_encodings()));