3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo mb_substr("aaa.b", ".");
Output for 7.3.0alpha1 - 7.3.0rc4
Warning: mb_substr() expects parameter 2 to be int, string given in /in/nhR3P on line 3
Output for 7.0.0 - 7.2.6
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