3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $foo = "🚁"; var_dump(mb_convert_encoding($foo, "UTF-8"));
Output for 5.6.0 - 7.2.0
string(4) "🚁"
Output for 4.3.0 - 5.5.38
string(8) "🚁"