3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo strlen(serialize($GLOBALS));
Output for 7.1.0
705
Output for 7.0.14
706
Output for 7.0.0 - 7.0.10
713
Output for 5.6.28
2114
Output for 5.4.0, 5.4.2 - 5.4.6, 5.4.8 - 5.4.9, 5.4.11 - 5.4.13, 5.4.15 - 5.4.20, 5.4.22 - 5.4.41, 5.4.43 - 5.5.10, 5.5.12 - 5.5.26, 5.5.30, 5.5.32 - 5.5.38, 5.6.1 - 5.6.11, 5.6.13, 5.6.15 - 5.6.25
2135
Output for 5.4.1, 5.4.7, 5.4.10, 5.4.14, 5.4.42, 5.5.11, 5.5.27 - 5.5.29, 5.5.31, 5.6.0, 5.6.12, 5.6.14
2132
Output for 5.4.21
2129
Output for 5.2.3 - 5.3.29
5474
Output for 5.2.1 - 5.2.2
4574
Output for 5.1.0 - 5.2.0
3050
Output for 5.0.0 - 5.0.5
2918
Output for 4.3.2 - 4.4.9
3570
Output for 4.3.0 - 4.3.1
3604