I am generating html tables dynamically. Each table has multiple columns
and various calculations need to be done on each column and displayed
at the bottom of the column. I am including the code from one table below.
The $tablerow generates the table data and the $tablefooter generates the
rows at the bottom that will include the calculated values.

Preceding the $tablerow declaration, I have declared some variables and done
calculations. I then included these
in the $tablefooter to display the calculated values. This works fine.
However, I have many other calculations on other columns in other tables.
Using this method, I would have to declare many new variables just for

I am wondering if there is a way to do these calculations directly in the
table cells. I am pretty new to PHP and have not used calculations much.

$sumpop += $POP;
$sumadultcirc += $ADULTCIRC;
$sumjuvcirc += $JUVCIRC;

$tablerow[1] = "<tr><td>" . $row["name"] . "</td>" .

$tablefooter[1] = "<tr><td><b>Table total</b></td><td><b>$sumpop</b></td>
<tr><td><b>Table average or per capita</b></td><td><b>$POPAV</b></td>

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