TimeHelper::convertSecondsToHoursMinutes

public function convertSecondsToHoursMinutes($seconds, $leadingHourZero = true)
{
	if ($seconds === null)
	{
		return null;
	}
	return ($leadingHourZero ? str_pad($this->getHours($seconds), 2, 0, STR_PAD_LEFT) : $this->getHours($seconds))
		   . ':' . str_pad($this->getMinutes($seconds), 2, 0, STR_PAD_LEFT);
}