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Poprosim o radu, vytvaram php script ktorym chcem vytvorit pdf document, chcem aby obrazok ktory upoadnem aby sa vlozil do pdf ale vypisuje mi tuto chybu

uploads/graf.jpg
Fatal error: Uncaught exception 'PDFlibException' with message 'Handle parameter 'image' has bad value 0' in X:\www\createpdf.php:15 Stack trace: #0 X:\www\createpdf.php(15): pdf_place_image(Resource id #2, 0, 28, 324, 2) #1 {main} thrown in X:\www\createpdf.php on line 15

<?php



$uploaddir = 'uploads/'; // Relative path under webroot

$uploadfile = $uploaddir . basename($_FILES['userfile']['name']);

if (move_uploaded_file($_FILES['userfile']['tmp_name'], $uploadfile)) {   //FILE



echo  $uploadfile;



$mypdf = PDF_new();

PDF_open_file($mypdf, "");

PDF_begin_page($mypdf, 595, 842);

$myfont = PDF_findfont($mypdf, "Times-Roman", "host", 0);

PDF_setfont($mypdf, $myfont, 12);

$myimage = PDF_open_image_file($mypdf, "jpeg", $uploadfile, "page", 1 );

pdf_place_image($mypdf, $myimage, 28, 324, 2);

pdf_close_image($mypdf, $myimage);



PDF_moveto($mypdf, 0, 735);

PDF_lineto($mypdf, 575, 760);

PDF_stroke($mypdf);

PDF_moveto($mypdf, 20, 55);

PDF_lineto($mypdf, 575, 55);

PDF_stroke($mypdf);

PDF_show_xy($mypdf, "A sample document.", 50, 40);

PDF_end_page($mypdf);

PDF_close($mypdf);

$mybuf = PDF_get_buffer($mypdf);

$mylen = strlen($mybuf);

header("Content-type: application/pdf");

header("Content-Length: $mylen");

header("Content-Disposition: inline; filename=gen03.pdf");

print $mybuf;

PDF_delete($mypdf);

  

  }

  else {

  echo "File uploading failed.\n";

}

?>