Visit::getFormattedLength

static function getFormattedLength(array $activity, $format)
{
	$duration = (int)$activity['PROVIDER_PARAMS']['RECORD_LENGTH'];
	$minutes = floor($duration / 60);
	$seconds = $duration % 60;

	if($format == 'FULL')
		return ($minutes > 0 ? $minutes." ".GetMessage("CRM_ACTIVITY_PROVIDER_VISIT_MIN") : "") . ($minutes > 0 && $seconds > 0 ? ", " : "") . ($seconds > 0 ? $seconds . " " . GetMessage("CRM_ACTIVITY_PROVIDER_VISIT_SEC") : '');
	else
		return sprintf("%02d:%02d", $minutes, $seconds);
}