Re: Math problems (No not high school math!)

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Jason Pruim wrote:
> 
> On Sep 25, 2008, at 11:28 AM, Jim Lucas wrote:
> 
>> Jason Pruim wrote:
>>> So I'm trying to figure out how to do a little math in php to add up the
>>> number of hours that people have worked (Still on the timecard for
>>> anyone following along at home)
>>>
>>> I have it inserting time in and timeout as timestamps into a MySQL
>>> database, from there, I use a while loop to display the total hours for
>>> the day which works perfectly, now though, they want it to total for the
>>> week...
>>>
>>> I think what I need to do is create an array of my total time for the
>>> day then add that up in another loop to display the total... That seems
>>> like overkill to me though... is there a better way to do it?
>>>
>>> Here is the relevant part of the code:
>>>
>>> while ($row = mysql_fetch_assoc($result)){
>>>            $timein = date("m/d/y h:i:s", $row['timein']);
>>>            $timeout = date("m/d/y h:i:s", $row['timeout']);
>>>            $totalday = ($row['timeout'] - $row['timein']);
>>>            $totalday = $totalday/60/60;
>>>            $totalday = round($totalday, 2);
>>>            $totalweek = ?!@?#!@#?!@#!$%^!23?!@#!@#?!@#?#$&*^
>>>
>>>            echo <<<ADMIN
>>>
>>>
>>>            <tr>
>>>            <td>{$row['Name']}</td>
>>>            <td>{$timein}</td>
>>>            <td>{$timeout}</td>
>>>            <td>{$totalday}</td>
>>>
>>>            </tr>
>>>
>>> ADMIN;
>>>        }
>>>        echo "</table>
>>>        </div>
>>>        </body>";
>>>
>>> -- 
>>>
>>> Jason Pruim
>>> Raoset Inc.
>>> Technology Manager
>>> MQC Specialist
>>> 11287 James St
>>> Holland, MI 49424
>>> www.raoset.com
>>> japruim@xxxxxxxxxx
>>>
>>>
>>>
>>>
>>>
>>
>> Doesn't seem logical to have the weekly total displayed at the end of
>> each
>> day.  Are you wanting a subtotal of each day being added to the weekly
>> total
>> to be displayed next to each day?  If that is the case, the just have one
>> variable that you add each days total to that doesn't get reset when
>> the new
>> DAY is started.
> 
> 
> Hi Jim,
> 
> You are correct, I want it to look something like this:
> Name | time in | timeout | total for day
> Name | time in | timeout | total for day
> Name | time in | timeout | total for day
> Name | time in | timeout | total for day
> Name | time in | timeout | total for day
> Name | time in | timeout | total for day
> Name | time in | timeout | total for day
>                         TOTAL FOR WEEK: X
> 
> 
>>
>>
>> -- 
>> Jim Lucas
>>
>>   "Some men are born to greatness, some achieve greatness,
>>       and some have greatness thrust upon them."
>>
>> Twelfth Night, Act II, Scene V
>>    by William Shakespeare
>>
>>
> 
> -- 
> 
> Jason Pruim
> Raoset Inc.
> Technology Manager
> MQC Specialist
> 11287 James St
> Holland, MI 49424
> www.raoset.com
> japruim@xxxxxxxxxx
> 
> 
> 
> 
> 

This should work for you.

$totalWeek = 0;  // Initialize total holder

while ($row = mysql_fetch_assoc($result)){
            $timein = date("m/d/y h:i:s", $row['timein']);
            $timeout = date("m/d/y h:i:s", $row['timeout']);
            $totalday = ($row['timeout'] - $row['timein']);
            $totalday = $totalday/60/60;
            $totalday = round($totalday, 2);

            $totalWeek += totalday;  // Builds the total from the daily total

            echo <<<ADMIN


            <tr>
            <td>{$row['Name']}</td>
            <td>{$timein}</td>
            <td>{$timeout}</td>
            <td>{$totalday}</td>

            </tr>

ADMIN;
        }

# Display Weekly total
echo <<<WEEKTOTAL

            <tr>
            <td colspan='4' align='right'>TOTAL FOR WEEK: {$totalWeek}</td>
            </tr>

WEEKTOTAL;

        echo "</table>
        </div>
        </body>";

-- 
Jim Lucas

   "Some men are born to greatness, some achieve greatness,
       and some have greatness thrust upon them."

Twelfth Night, Act II, Scene V
    by William Shakespeare


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