function relativeTime($input_seconds) {
$days = “”;
$hours = “”;
$minutes = “”;
$seconds = “”;
$days=floor($input_seconds / 86400);
$remainder=floor($input_seconds % 86400);
$hours=floor($remainder / 3600);
$remainder=floor($remainder % 3600);
$minutes=floor($remainder / 60);
$seconds=floor($remainder % 60);
if ($days>1)
$days = “$days dias “;
else
$days = “”;
if ($hours>1)
$hours = “$hours horas “;
else
$hours = “”;
if ($minutes>1)
$minutes = “$minutes minutos “;
else
$minutes =”";
if ($seconds>1)
$seconds = “$seconds segundos “;
else
$seconds =”";
return $days.$hours.$minutes.$seconds;
}

Gracias