3v4l.org

run code in 500+ PHP versions simultaneously
<?php $str = chr(239).chr(187).chr(191) //BOM UTF8 .chr(195).chr(180) ; //ô var_dump( mb_detect_encoding( chr(239).chr(187).chr(191) //BOM UTF8 .chr(195).chr(180) //ô , [ 'UTF-8', 'ISO-8859-1', ] , true ) );

preferences:
10.84 ms | 476 KiB | 4 Q