3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump( mb_convert_encoding( $bin = hex2bin("d0d1ecb5dac2adfb4cd4ede7f4"), "UTF-8", "CP51932" ), mb_check_encoding($bin, "CP51932") );
preferences:
76.3 ms | 402 KiB | 5 Q