PHP library to decode the data in PDF stream objects.
Include with composer by adding
{
"require": {
"datacodetech/pdf-stream-decode": "^1.0.0"
}
}This has been designed to work with pdfparser although any source can be used if the input is in the same format - the data from the PDF object header as an assoc array.
<?php
use Smalot\PdfParser\Parser;
use datacode\pdfStreamDecode\stream;
$parser = new Parser();
$document = $parser->parseContent(file_get_contents('pdf_file.pdf'));
$page = $document->getPages()[0];
$object = $page->getXObjects()[0];
$object_details = $object->getDetails();
$object_data = $object->getContent();
$decoded_data = (new stream($object_details, $object_data))->decode();$object_details may also be constructed manually if pdfparser is not used
<?php
$object_details = [
'Filter' => 'FlateDecode',
'Length' => 12349,
];