3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(mb_strlen('xyz', 'invalid-encoding'));
Output for 4.3.2 - 5.6.28, 7.0.0 - 7.1.0
Warning: mb_strlen(): Unknown encoding "invalid-encoding" in /in/NrutS on line 2 bool(false)
Output for hhvm-3.10.0 - 3.12.0
Warning: Unknown encoding "invalid-encoding" in /in/NrutS on line 2 bool(false)
Output for 4.3.0 - 4.3.1
Warning: mb_strlen() [http://www.php.net/function.mb-strlen]: Unknown encoding "invalid-encoding" in /in/NrutS on line 2 bool(false)