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run code in 200+ php & hhvm versions
Bugs & Features
<?php $cid = 8162315223029015401; $cid = number_format($cid, 0, '.', ''); //echo $cid; $cid = "8162315223029015401"; echo $cid;
Output for 4.3.0 - 7.1.7
8162315223029015401