3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo 0x0 +2, 0x0 +3.5, 0x0 +2e1;
Output for 5.3.11 - 7.1.7
23.520
Output for 5.3.7 - 5.3.10
46.5757