3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo 0 + '0x1f';
Output for 7.1.0
Notice: A non well formed numeric value encountered in /in/abtQd on line 2 0
Output for 7.0.0 - 7.0.14
0
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0
31