if ($stmt->execute()) {
    $stmt->setFetchMode(PDO::FETCH_ASSOC);
}
while ($result = $stmt->fetch()) {
    $data[] = array($result['ComponentSpecs'], $result['Used_LineQuantity'], $result['Used_LineCost'], $result['Used_LineStatus'], $result['Used_LineDate'], $result['Used_LineSubTotal']);
}
date_default_timezone_set('America/Los_Angeles');
$pdf = new myPDF('L', 'mm', 'Letter');
$date = date("m/d/Y h:i A");
$pdf->date = $date;
$header1 = array('Usage Order #', 'Used By', 'For Tool', 'Date', 'Notes', 'Status');
$header = array('Component Used', 'Quantity Used', 'Cost', 'Status', 'Date Used', 'Subtotal');
$pdf->AliasNbPages();
$pdf->AddPage();
$pdf->SetY(35);
$pdf->BuildTable1($header1, $data1);
$pdf->SetY(55);
$pdf->BuildTable($header, $data);
$pdf->Ln(6);
$substring = " Total Subtotal: \$" . $subtotal . " ";
$substrwidth = $pdf->GetStringWidth($substring);
$substrX = 260 - $substrwidth;
$pdf->SetX($substrX);
$pdf->Cell($substrwidth, 6, $substring, 1, 1, 'C');
$tax = $subtotal * 0.075;
$tax = round($tax, 2);
$tax = number_format((double) $tax, 2, '.', '');
$taxstring = " Tax (7.5%): \$" . $tax . " ";
$taxstrwidth = $pdf->GetStringWidth($taxstring);
$taxstrX = 260 - $taxstrwidth;
$pdf->SetX($taxstrX);