3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo is_int(''+0);
Output for 7.1.0
Warning: A non-numeric value encountered in /in/j5RK7 on line 2 1
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.0.14
1
Output for hhvm-3.12.0

Process exited with code 137.
Output for hhvm-3.10.0

Process exited with code 153.