3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo mb_substr("aaa.b", ".");
Output for 7.0.0 - 7.1.0
Warning: mb_substr() expects parameter 2 to be integer, string given in /in/nhR3P on line 3
Output for 5.3.0 - 5.6.28
Warning: mb_substr() expects parameter 2 to be long, string given in /in/nhR3P on line 3
Output for 4.3.0 - 5.2.17
aaa.b