3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(00, 01, 02, 03, 04, 05, 06, 07, 08, 09, 001, 011, 010, 021, 022);
Output for 4.3.0 - 5.6.28
int(0) int(1) int(2) int(3) int(4) int(5) int(6) int(7) int(0) int(0) int(1) int(9) int(8) int(17) int(18)