3v4l.org

run code in 300+ PHP versions simultaneously
<?php $cid = 8162315223029015401; $cid = number_format($cid, 0, '.', ''); echo $cid;
Output for 8.3.0 - 8.3.4
8162315223029015401
Output for 4.3.0 - 4.3.1, 5.2.1 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.1.27, 8.2.0 - 8.2.17
8162315223029015552
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0
8162315223029014000

preferences:
363.48 ms | 402 KiB | 453 Q