3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(bin2hex(mb_convert_encoding("\\ ~", "CP932", "UTF-8")));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.30, 8.2.0 - 8.2.24, 8.3.0 - 8.3.12
string(6) "5c207e"
preferences:
70.29 ms | 406 KiB | 5 Q