3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php switch(true) { case is_null(null): echo "OK1!"; break; case is_integer(2): echo "OK2!"; break; case is_null(2): echo "not OK!"; }
based on r18lb
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
OK1!
Output for hhvm-3.10.0

Process exited with code 153.