sec2hms

/**
 * Convert seconds to a string in this format "NN tim NN min NN sek"
 * If $useColon is TRUE it returns h:m:s
 * 
 *
 * @param integer $sec
 * @param bool $useColon
 * @return string $hms
 */
function sec2hms($sec, $useColon = false)
{
 
	// holds formatted string
	$hms = "";
 
	// there are 3600 seconds in an hour, so if we
	// divide total seconds by 3600 and throw away
	// the remainder, we've got the number of hours
	$hours = intval(intval($sec) / 3600); 
 
	// add to $hms, with a leading 0 if asked for
	if ($hours > 0){
		$hms .= ($useColon) 
		      ? str_pad($hours, 2, "0", STR_PAD_LEFT). ':'
		      : $hours. ' tim ';
	}elseif ($useColon){
		$hms .= '00:';	
	}
 
	// dividing the total seconds by 60 will give us
	// the number of minutes, but we're interested in 
	// minutes past the hour: to get that, we need to 
	// divide by 60 again and keep the remainder
	$minutes = intval(($sec / 60) % 60); 
 
	// then add to $hms (with a leading 0 if needed)
	if ($minutes > 0)
	$hms .= ($useColon) 
		      ? str_pad($minutes, 2, "0", STR_PAD_LEFT). ':'
		      : $minutes. ' min ';
 
	// seconds are simple - just divide the total
	// seconds by 60 and keep the remainder
	$seconds = intval($sec % 60); 
 
	// add to $hms, again with a leading 0 if needed
	$hms .= ($useColon) 
		      ? str_pad($seconds, 2, "0", STR_PAD_LEFT)
		      : $seconds. ' sek ';
 
	return $hms;
}