ادغام PDF از طریق PHP

    // Open document
    $document = new Document($inputFile);

    // Open first document
    $document1 = new Document($inputFile1);
    
    // Open second document
    $document2 = new Document($inputFile2);

    // Add pages of second document to the first
    $document1->getPages()->add($document2->getPages());

    // Save concatenated output file
    $document1->save($outputFile);
    $document1->close();
    $document2->close();