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run code in 200+ php & hhvm versions
Bugs & Features
<?php $sourceId = '10131'; $idString = str_pad(strrev((string)$sourceId), 3, '0'); echo substr($idString, 0, 2) . '/' . substr($idString, 2) . '/';
Output for 4.3.0 - 7.2.0
13/101/