3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php mb_language('uni'); mb_regex_encoding('UTF-8'); mb_internal_encoding('UTF-8');
Output for 4.3.4 - 7.2.0
Output for 4.3.2 - 4.3.3
Fatal error: Call to undefined function: mb_regex_encoding() in /in/vc05r on line 4
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: mb_regex_encoding() in /in/vc05r on line 4