3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo mb_strtoupper("ı ğ Ğ"); echo "\n"; echo strtoupper("ı ğ Ğ"); ?>
Output for 5.6.7 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
I Ğ Ğ ı ğ Ğ
Output for 4.3.0 - 5.5.35
ı ğ Ğ ı ğ Ğ