for ($i = 1; $i < $c; ++$i) {
$tmp = 0;
for ($j = 1; $j < $r - 1; ++$j) {
$tmp += $data[$j][$i];
}
$data[3][$i] = sprintf('%2.1f', $tmp);
}
$graph = new CanvasGraph(350, 200);
$table = new GTextTable();
$table->Init();
$table->Set($data);
$table->SetBorder(2, 'black');
// Highlight summation row
$table->SetRowFillColor($r - 1, 'yellow');
$table->SetCellAlign($r - 1, 0, 'right');
// Setup row and column headers
$table->SetRowFont(0, FF_ARIAL, FS_NORMAL, 10);
$table->SetRowColor(0, 'navy');
$table->SetRowFillColor(0, 'lightgray');
$table->SetColFont(0, FF_ARIAL, FS_NORMAL, 10);
$table->SetColColor(0, 'navy');
$table->SetColFillColor(0, 'lightgray');
$table->SetRowGrid($r - 1, 1, 'black', TGRID_DOUBLE);
$table->SetFont(1, 4, 2, 6, FF_TIMES, FS_NORMAL, 18);
$table->SetFillColor(1, 1, 2, 3, 'red');
$table->MergeCol(1);
$graph->Add($table);
$graph->Stroke();
?>
