3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo "y:" . mb_substr('abcde', 1, mb_strlen('abcde'), 'UTF-8'); echo "\n"; echo "x:" . mb_substr('abcde',1);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
y:bcde x:bcde