3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 9007199254740992.0; echo ($x + 0)."\n"; echo ($x + 1)."\n"; echo ($x + 2)."\n"; echo ($x + 3)."\n";
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.1, 5.2.7 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.38, 7.0.0 - 7.0.33, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
9.007199254741E+15 9.007199254741E+15 9.007199254741E+15 9.007199254741E+15
Output for 5.2.2 - 5.2.6
9007199254741000 9007199254741000 9007199254741000 9007199254741000
preferences:
271.76 ms | 401 KiB | 422 Q