3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo serialize(0.9);
Output for 7.1.0 - 7.2.0
d:0.9;
Output for 5.6.28, 7.0.20
d:0.90000000000000002;
Output for 5.5.0 - 5.6.25, 7.0.0 - 7.0.10
d:0.90000000000000002220446;