Dmytro madmis

## seconds-to-hours-minutes-seconds.php
<?php

$diff = 450752;
$format = sprintf('%02d:%02d:%02d', ($diff / 3600), ($diff / 60 % 60), $diff % 60);
echo $format;
	<?php

	$diff = 450752;
	$format = sprintf('%02d:%02d:%02d', ($diff / 3600), ($diff / 60 % 60), $diff % 60);
	echo $format;