Create a PDF portfolio (package) in PHP

To create a PDF portfolio containing multiple file types.

function AddPackage($doc, $file, $desc)
{
	$files = NameTree::Create($doc->GetSDFDoc(), "EmbeddedFiles");
	$fs = FileSpec::Create($doc->GetSDFDoc(), $file, true);
	$files->Put($file, strlen($file), $fs->GetSDFObj());
	$fs->SetDesc($desc);

	$collection = $doc->GetRoot()->FindObj("Collection");
	if (!$collection) $collection = $doc->GetRoot()->PutDict("Collection");

	// You could here manipulate any entry in the Collection dictionary.
	// For example, the following line sets the tile mode for initial view mode
	// Please refer to section '2.3.5 Collections' in PDF Reference for details.
	$collection->PutName("View", "T");
}
$doc = new PDFDoc();
AddPackage($doc, $filename, "PDF");
AddPackage($doc, $imagename, "Image");

PDF packages (portfolios)
Full code sample which illustrates how to create, extract, and manipulate PDF Packages (also known as PDF Portfolios).