PDF_delete

<?

$pdf = PDF_new();
PDF_open_file($pdf);

$test_pdf = "vertical.pdf";


$doc = PDF_open_pdi($pdf,$test_pdf,"",0);
if (!$doc) { return; }

$page = PDF_open_pdi_page($pdf,$doc,1,'');
if (!$page) { return; }

$width =PDF_get_pdi_value($pdf,"width",$doc,$page,0);
$height =PDF_get_pdi_value($pdf,"height",$doc,$page,0);
PDF_rect($pdf,100,50,$width-200,$height-100);
PDF_clip($pdf);
PDF_rect($pdf,100,50,300,700);
PDF_stroke($pdf);

PDF_begin_page($pdf, 595, 842);

PDF_place_pdi_page($pdf,$page,0,0,1,1.0);
PDF_close_pdi_page($pdf,$page);

// $im = pdf_open_image_file($pdf, "jpeg", "something.JPG");

// pdf_place_image($pdf, $im, 0, 0, 0.3);

//hide water mark
PDF_rect($pdf,0,0,1,1);
PDF_clip($pdf);

pdf_end_page($pdf);

PDF_close($pdf);
PDF_close_pdi($pdf,$doc);

$buffer = PDF_get_buffer($pdf);

header('Content-type: application/pdf');
header('Content-disposition: inline; filename=test.pdf');
header('Content-Description: PHP3 Generated Data');
header('Content-length: ' . strlen($buffer));

echo $buffer;

?>


this the error is get
[Thu Aug 29 14:51:48 2002] [error] [client xx.xxxxxx] PHP Fatal error: PDFlib error: function 'PDF_delete' must not be called in 'document' scope in Unknown on line 0

Be sure that you have the right filenames listed that you are trying to open and that the webserver has permission to access the files...