3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $var1 = '123456 890'; $var2 = '1234 098'; $var3 = ''; $var4 = null; echo is_null(mb_convert_kana($var4, 'ns', 'UTF-8')) ? 't' : 'f';
Output for 4.3.0 - 7.2.0
f