<?
/*
Oreon is developped with GPL Licence 2.0 :
http://www.gnu.org/licenses/gpl.txt
Developped by : Toni de la Fuente (blyx)
For information : hide@address.com
*/

class Duration
{
	function toString ($duration, $periods = null)
    {
        if (!is_array($duration)) {
            $duration = Duration::int2array($duration, $periods);
        }
        return Duration::array2string($duration);
    }
 
    function int2array ($seconds, $periods = null)
    {        
        // Define time periods
        if (!is_array($periods)) {
            $periods = array (
                    'y'	=> 31556926,
                    'M' => 2629743,
                    'w' => 604800,
                    'd' => 86400,
                    'h' => 3600,
                    'm' => 60,
                    's' => 1
                    );
        }
 
        // Loop
        $seconds = (int) $seconds;
        foreach ($periods as $period => $value) {
            $count = floor($seconds / $value);
 
            if ($count == 0) {
                continue;
            }
 
            $values[$period] = $count;
            $seconds = $seconds % $value;
        }
 
        // Return
        if (empty($values)) {
            $values = null;
        }
 
        return $values;
    }
 
    function array2string ($duration)
    {
        if (!is_array($duration)) {
            return false;
        }
        foreach ($duration as $key => $value) {
            $segment = $value . ' ' . $key;
            $array[] = $segment;
        }
        $str = implode(', ', $array);
        return $str;
    }
}
 
?>