问如何在PHP FPDF中显示十进制值？

EN

$no=1;
while($item = mysqli_fetch_array($query)){
    $pdf->Cell(10   ,5,$no++,1,0);
    $pdf->Cell(100  ,5,$item['naran'],1,0);
    //add thousand separator using number_format function
    $pdf->Cell(25   ,5,number_format ( $item['folin_faan']),1,0);
    $pdf->Cell(25   ,5,number_format( $item['hamutuk']),1,0);
    $pdf->Cell(34   ,5,number_format( $item['total']),1,1,'R');//end of line
    //accumulate tax and amount
    $tax += $item['hamutuk'];
    $total += $item['total'];

}