Unable To Open Dompdf PDF File? Here's The Solution

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To open a PDF made with Dompdf, you might want to add

ob_end_clean();

before

$dompdf->stream();

In your PHP project.

ob_end_clean — Clean (erase) the contents of the active output buffer and turn it off

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Full Example Code:

    <?php
        require 'vendor/autoload.php';

        // reference the Dompdf namespace
        use Dompdf\Dompdf;

        $content = '<h1>Hello World</h1>';

        // instantiate and use the dompdf class
        $dompdf = new Dompdf();
        $dompdf->loadHtml($content);

        // (Optional) Setup the paper size and orientation
        $dompdf->setPaper('A4', 'landscape');

        // Render the HTML as PDF
        $dompdf->render();

        ob_end_clean();

        // Output the generated PDF to Browser
        $dompdf->stream();
    ?>

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