3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo serialize(array(1,-1,0)); echo serialize(array(1,-1,0));
Output for 4.3.0 - 7.2.0
a:3:{i:0;i:1;i:1;i:-1;i:2;i:0;}a:3:{i:0;i:1;i:1;i:-1;i:2;i:0;}