Opening documents

PdfDocumentReader

use PhpPdf\Reader\PdfDocumentReader;

$doc = PdfDocumentReader::open('/path/to/file.pdf');

Password-protected files

$doc = PdfDocumentReader::openEncrypted('/path/to/file.pdf', 'password');

The password is tried first as the user password, then as the owner password. Throws PdfReadException on wrong password.

Document-level information

echo $doc->getVersion()->value;   // e.g. "1.7"
echo $doc->getPageCount();        // integer

$info = $doc->getInfo();          // PdfDictionary or null
if ($info !== null) {
    $title = $info->get('Title'); // PdfString or null
}

Page access

$page = $doc->getPage(0);         // PdfReadPage, 0-based index

PdfReadPage provides:

$page->getMediaBox();             // [x, y, width, height]
$page->getDictionary();           // raw PdfDictionary
$page->getResources();            // resource PdfDictionary
$page->getContentStreams();       // list<string> — decoded stream bytes

Supported cross-reference formats

Format	PDF versions
Traditional xref table	1.0 – 1.4
Xref streams	1.5+
Compressed object streams (ObjStm)	1.5+

Objects are loaded lazily and cached in memory on first access.