3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo is_bool(false); echo is_bool(null)? 1 : ' null '; echo is_bool(true); function test(){ return 0; } var_dump(test());
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
1 null 1int(0)
Output for hhvm-3.10.0

Process exited with code 153.