3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php new ReflectionFunction('mb_strtoupper');
Output for 5.0.0 - 7.1.0
Output for 4.3.2 - 4.4.9
Fatal error: Cannot instantiate non-existent class: reflectionfunction in /in/q4GNe on line 2
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Cannot instantiate non-existent class: reflectionfunction in /in/q4GNe on line 2