Online PHP editor | refs for oIkot

<?php $tries = 0; $regenerateLimit = 10; do { if ($tries++ > $regenerateLimit) { throw new \RuntimeException(sprintf('Generation failed after %d tries', $tries)); } $orderNumber = sprintf('%05d%05d', $this->randomGenerator->generate(10000, 99999), $this->randomGenerator->generate(0, 99999)); } while (in_array($orderNumber, [2, 5])); echo $orderNumber;