3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(bin2hex(mb_convert_encoding("\xe5\xd8\x88\xb4",'UTF-16','UTF-8')));
Output for 5.4.20 - 5.4.45, 5.5.2 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(12) "003f0608003f"
Output for 5.4.0 - 5.4.19, 5.5.0 - 5.5.1
string(12) "003f003f003f"
Output for 4.3.0 - 5.3.29
string(4) "0608"