Zeiten Rechnen

include 'class.time_diff.php';//Die Klasse Importieren




$times = array();//Der variable $times den typ 'array' zuweisen
$i=0;//Zähler $i ist 0
while ($row = mysql_fetch_assoc($pd_date['result'])){//Diese Zeile muss ich nicht kommentieren oder?
    /*
        der Anfang sieht beispielsweise so aus: $times[3]...
        Bedeutet bei dem schlüssel 3 wird dann was reingeschrieben
        (Der schlüssel steht symbolisch für die jeweilige $row in der Tabelle)
        Ich gehe davon aus das die Spalten `podizei_von` und `podizei_bis` bei dir existieren..(andernfalls solltest du dafür sorgen..)
    */
    $times[$i][0] = $row['podizei_von'];//Bei 0 in der Zeile $i wird immer der Zeitstempel VON eingeschrieben
    $times[$i][1] = $row['podizei_bis'];//Bei 1 in der Zeile $i wird immer der Zeitstempel BIS eingeschrieben




    $i++;//Dann noch i+1 zählen und weiter
} 
foreach ($times as $time_array){//Für jeden schlüssel in $times (Symbolisch jede Tabellenzeile)
    /*
        Die jeweilige 'Tabellenzeile' steht jetzt in $time_array
        An die Klasse den VON und den BIS Zeitstempel der 'Tabellenzeile' übergeben und das was zurück kommt
        in $differenz_object schreiben
    */
    $differenz_object = new time_diff($time_array[0], $time_array[1]);
    //'t' von $different_object ausgeben (mehr siehe unten)
    echo $differenz_object->t;




    //Kurzgeschrieben kannst du es auch so ausgeben:
    #echo ( new time_diff($time_array[0], $time_array[1]) )->t;
}

/**
 * @return object time_diff[
 *      [s]     Starttime Timestamp 'Y-m-d H:i:s',
 *      [o_s]   Starttime Timstamp '[Y-m-d ]H:i[:s]' (like input),
 *      [e]     Endtime Timestamp 'Y-m-d H:i:s',
 *      [o_e]   Endtime Timestamp '[Y-m-d ]H:i[:s]' (like input),
 *      [t]     Difference Timestamp, rounded 'H:i',
 *      [o_t]   Difference Timestamp 'H:i',
 *      [h]     Difference Hours, rounded 'H',
 *      [o_h]   Difference Hours 'H',
 *      [m]     Difference Minutes, rounded 'i',
 *      [o_m]   Difference Minutes 'i',
 *      [error] If somthing failed, it turns to true,
 * ] All Data
 *
 * @link Timestamp format keys <http://php.net/manual/de/function.date.php>
 */

// @author <http://stackoverflow.com/questions/4033224/what-can-use-for-datetimediff-for-php-5-2>
Class DateInterval {
    /* Properties */
    public $y = 0;
    public $m = 0;
    public $d = 0;
    public $h = 0;
    public $i = 0;
    public $s = 0;




    /* Methods */
    public function __construct ( $time_to_convert /** in seconds */) {
        $FULL_YEAR = 60*60*24*365.25;
        $FULL_MONTH = 60*60*24*(365.25/12);
        $FULL_DAY = 60*60*24;
        $FULL_HOUR = 60*60;
        $FULL_MINUTE = 60;
        $FULL_SECOND = 1;




//        $time_to_convert = 176559;
        $seconds = 0;
        $minutes = 0;
        $hours = 0;
        $days = 0;
        $months = 0;
        $years = 0;




        while($time_to_convert >= $FULL_YEAR) {
            $years ++;
            $time_to_convert = $time_to_convert - $FULL_YEAR;
        }




        while($time_to_convert >= $FULL_MONTH) {
            $months ++;
            $time_to_convert = $time_to_convert - $FULL_MONTH;
        }




        while($time_to_convert >= $FULL_DAY) {
            $days ++;
            $time_to_convert = $time_to_convert - $FULL_DAY;
        }




        while($time_to_convert >= $FULL_HOUR) {
            $hours++;
            $time_to_convert = $time_to_convert - $FULL_HOUR;
        }




        while($time_to_convert >= $FULL_MINUTE) {
            $minutes++;
            $time_to_convert = $time_to_convert - $FULL_MINUTE;
        }




        $seconds = $time_to_convert; // remaining seconds
        $this->y = $years;
        $this->m = $months;
        $this->d = $days;
        $this->h = $hours;
        $this->i = $minutes;
        $this->s = $seconds;
    }
}

/**
 * @return object time_diff[
 *      [s]     Starttime Timestamp 'Y-m-d H:i:s',
 *      [o_s]   Starttime Timstamp '[Y-m-d ]H:i[:s]' (like input),
 *      [e]     Endtime Timestamp 'Y-m-d H:i:s',
 *      [o_e]   Endtime Timestamp '[Y-m-d ]H:i[:s]' (like input),
 *      [t]     Difference Timestamp, rounded 'H:i',
 *      [o_t]   Difference Timestamp 'H:i',
 *      [h]     Difference Hours, rounded 'H',
 *      [o_h]   Difference Hours 'H',
 *      [m]     Difference Minutes, rounded 'i',
 *      [o_m]   Difference Minutes 'i',
 *      [error] If somthing failed, it turns to true,
 * ] All Data
 *
 * @link Timestamp format keys <http://php.net/manual/de/function.date.php>
 */