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PHP Download script error failed to load PDF document


PHP Download script error failed to load PDF document

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PHP Download script error failed to load PDF document
Tag : php , By : Tigre
Date : November 27 2020, 12:01 PM

hope this fix your issue Don't send multiple Content-type headers, send the appropriate type for the file extension.
if (isset($_GET['name'])){

    $name = $_GET['name'];

    $stmt = $conn->prepare("SELECT link_to_policy FROM policies WHERE name = ? LIMIT 1");
    $stmt->bind_param('s', $name);
    $stmt->execute();
    $result = $stmt->get_result();
    $result2 = $result->fetch_assoc();

    $policytodownload = $result2["link_to_policy"];
    if (file_exists($policytodownload)) {
        $type_map = ['xls' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
                     'doc' => 'application/msword',
                     'pdf' => 'application/pdf'];
        $ext = pathinfo($policytodownload, PATHINFO_EXTENSION);
        if (isset($type_map[$ext])) {
            header("Content-Type: {$type_map[$ext]}");
        }
        header("Cache-Control: no-cache");
        header('Content-Length: ' . filesize($policytodownload));
        ob_clean();
        flush();
        readfile($policytodownload);
        exit;
    }   
}

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Chrome has “Failed to load PDF document” error message when call pdf from url in PHP. But works in Firefox and Edge


Tag : php , By : deanschang
Date : March 29 2020, 07:55 AM
should help you out Finally, I found the solution!!!
First of all, I change my CURL call, changed the CURLOPT_RETURNTRANSFER to true then, using Postman to call my PHP page, I noticed the content of the result was look like this:
<br />
<b>Deprecated</b>:  Automatically populating $HTTP_RAW_POST_DATA is deprecated and will be removed in a future version. To avoid this warning set 'always_populate_raw_post_data' to '-1' in php.ini and use the php://input stream instead. in
<b>Unknown</b> on line
<b>0</b>
<br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent in
<b>Unknown</b> on line
<b>0</b>
<br />
<br />
<b>Warning</b>:  session_start(): Cannot send session cookie - headers already sent in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>4</b>
<br />
<br />
<b>Warning</b>:  session_start(): Cannot send session cache limiter - headers already sent in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>4</b>
<br />
<br />
<b>Warning</b>:  Cannot modify header information - headers already sent in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>5</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>24</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
<br />
<b>Warning</b>:  Creating default object from empty value in
<b>C:\xampp\htdocs\project\print.php</b> on line
<b>77</b>
<br />
%PDF-1.5
%����
3 0 obj<
</ColorSpace/DeviceRGB/Subtype/Image/Height 515/Filter/DCTDecode/Type/XObject/Width 545/BitsPerComponent 8/Length 47996>>stream
���� ........................................... 
<?php

error_reporting(0); // to prevent show warning or errors, use carefully

header("Pragma: public"); // required
header('Content-Type: application/pdf');
...
%PDF-1.5
%����
3 0 obj<
</ColorSpace/DeviceRGB/Subtype/Image/Height 515/Filter/DCTDecode/Type/XObject/Width 545/BitsPerComponent 8/Length 47996>>stream
���� ........................................... 

PHP MySqli Can't download file from the database. Failed to load PDF document


Tag : php , By : Sanoran
Date : March 29 2020, 07:55 AM
like below fixes the issue $contactupload is just the name of the file. You need to return the file contents, not the filename.
Change
echo $contractupload;
readfile("files/contracts/$contractupload");
header("Content-type: application/pdf");

'Error Failed to Load PDF Document' when Returning PDF From Azure Blob Storage


Tag : chash , By : user116330
Date : March 29 2020, 07:55 AM
Hope that helps The solution for this came from this link: Open a pdf file(using bytes) stored in Azure Blob storage
I ended up just dumping the byte stream from Azure into the response's output stream. However you need to make sure that the content type of the response is set to "application/pdf". My code ended up like this:
public async Task<ActionResult> Test()
{
     Response.Buffer = true;
     Response.Clear();
     Response.ContentType = "application/pdf";

     await BlobStorageUtils.DownloadFile(Response.OutputStream);

     return new EmptyResult();
}
public static async Task DownloadFile(Stream outputStream)
{
    CloudBlockBlob cloudBlockBlob = 
                                CloudBlobContainer.GetBlockBlobReference("document.pdf");
    await cloudBlockBlob.DownloadToStreamAsync(outputStream);
}

Tag : javascript , By : Piotr Balas
Date : March 29 2020, 07:55 AM
I wish this helpful for you I'm trying to link a javascript file to my html document. , You should use CDN link for multidatespicker
<script src="https://cdn.jsdelivr.net/npm/jquery-ui-multidatespicker@1.6.6/jquery-ui.multidatespicker.js"></script>
$(function() {

        $('#mdp-demo').multiDatesPicker();

 });
<script src="https://code.jquery.com/jquery.min.js"></script>
<link rel="stylesheet" href="//code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css">
<script src="https://code.jquery.com/ui/1.12.1/jquery-ui.js"></script>
<script src="https://cdn.jsdelivr.net/npm/jquery-ui-multidatespicker@1.6.6/jquery-ui.multidatespicker.js"></script>

 <input id="mdp-demo" />

Chrome has “Failed to load PDF document” error message on inline PDF with using PHPExcel


Tag : php , By : Navin
Date : March 29 2020, 07:55 AM
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