3v4l.org

run code in 500+ PHP versions simultaneously
<?php var_dump(mb_convert_encoding(mb_convert_encoding("~", "JIS", "UTF-16"), "UTF-8", "JIS"));
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.31, 8.3.0 - 8.3.31, 8.4.1 - 8.4.22, 8.5.0 - 8.5.7
string(1) "?"
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30
string(0) ""
preferences:
85.38 ms | 1258 KiB | 4 Q