Does watermark pdf error exist in this code?
document index.php
<?php
session_start();
?>
<!DOCTYPE html>
<html lang="pt-br">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>teste</title>
</head>
<body>
<h1>Cadastrar documento pdf com marca-d'água</h1>
<form method="POST" action="marcarpdf.php" enctype="multipart/form-data">
<label>Titulo do Artigo: </label>
<input type="text" name="titulo_artigo"><br><br>
<label>pdf </label>
<input type="file" name="imagem"><br><br>
<input type="submit" value="Cadastrar"><br><br>
</form>
</body>
</html>
marcapdf.php
<?php
require_once('pdfwatermarker/pdfwatermarker.php');
require_once('pdfwatermarker/pdfwatermark.php');
//Specify path to image. The image must have a 96 DPI resolution.
$watermark = new PDFWatermark('myimage.png');
//Set the position
$watermark->setPosition('bottomleft');
//Place watermark behind original PDF content. Default behavior places it over the content.
$watermark->setAsBackground();
//Specify the path to the existing pdf, the path to the new pdf file, and the watermark object
$watermarker = new PDFWatermarker('C:\test.pdf','C:\output.pdf',$watermark);
//Set page range. Use 1-based index.
$watermarker->setPageRange(1,5);
//Save the new PDF to its specified location
$watermarker->savePdf();
?>
this code giving error but in php I believe that some code in php is missing someone could show me where I can make the changes?
