Cetak Foto Masal PHP

<?php
ini_set("memory_limit",-1);
set_time_limit(0);
require('../academic/fpdf/fpdf.php');

class PDF_Rotate extends FPDF
{
var $angle=0;
function Rotate($angle,$x=-1,$y=-1)
{
    if($x==-1)
        $x=$this->x;
    if($y==-1)
        $y=$this->y;
    if($this->angle!=0)
        $this->_out('Q');
    $this->angle=$angle;
    if($angle!=0)
    {
        $angle*=M_PI/180;
        $c=cos($angle);
        $s=sin($angle);
        $cx=$x*$this->k;
        $cy=($this->h-$y)*$this->k;
        $this->_out(sprintf('q %.5F %.5F %.5F %.5F %.2F %.2F cm 1 0 0 1 %.2F %.2F cm',$c,$s,-$s,$c,$cx,$cy,-$cx,-$cy));
    }
}
function _endpage()
{
    if($this->angle!=0)
    {
        $this->angle=0;
        $this->_out('Q');
    }
    parent::_endpage();
}
}
class PDF extends PDF_Rotate
{
function RotatedText($x,$y,$txt,$angle)
{
 //Text rotated around its origin
 $this->Rotate($angle,$x,$y);
 $this->Text($x,$y,$txt);
 $this->Rotate(0);
}
function RotatedImage($file,$x,$y,$w,$h,$angle)
{
 //Image rotated around its upper-left corner
 $this->Rotate($angle,$x,$y);
 $this->Image($file,$x,$y,$w,$h);
 $this->Rotate(0);
}
}
//
$pdf=new PDF();
$pdf->AddPage('P');
$pdf->SetFont('Arial','',20);
//putaran arah derajat
$sudut = 90;
//ukuran foto
$panjang = 35;
$lebar = 50;
//foto kiri
$jarak_foto_kiri = 73.5;
$jarak_foto_kanan = 110;
//foto kanan
//direktori
$directory = "G:/DCIM/100D3100/";
$jarak_atas = 45;
    $files = glob($directory."*.JPG");

    for ($i=0; $i<count($files); $i++) { // $i mean to start first files names.
    $num = $files[$i];
//yang selalu berubah

  $pdf->RotatedImage($num,$jarak_foto_kiri,$jarak_atas,$lebar,$panjang,$sudut);
  $pdf->RotatedImage($num,$jarak_foto_kanan,$jarak_atas,$lebar,$panjang,$sudut);
$jarak_atas = $jarak_atas + 51.5;
}
$pdf->Output();
?>