Cannot modify header information - headers already sent by

Open ZAJDAN opened this issue 10 years ago • 0 comments

Hello I insert QR code into my html which I render via phpwkhtlto pdf The PDF is not rendered and browser just show me QR code and on the page is a few errors.

<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /mnt/databox/www/myweb/pdf/phpqrcode-master/qrvect.php:147) in <b>/mnt/databox/www/myweb/pdf/wkhtmltopdf/mikehaertl/php-tmpfile/src/File.php</b> on line <b>64</b><br />
<br />

page from where it is started:

  <?php
    ini_set("memory_limit", "128M");
    ini_set('display_errors', '1');
    error_reporting(E_ALL);

    require __DIR__ . '/wkhtmltopdf/autoload.php';
    require_once ('phpqrcode-master/qrlib.php');
    use mikehaertl\wkhtmlto\Pdf;

$svg_QR_Code = QRcode::svg('PHP QR Code :)');


    $pdf = new Pdf;
    $pdf->addPage('

    <html>
    <head>
    </head>
     <body>
     <div id="qr-picture">' .$svg_QR_Code. '  </div>
    </body>
    </html>
');

thank You for any help

Nov 12 '15 10:11 ZAJDAN