Opening File over UNC path

Based on your code the computer that Firefox is running on must have access to the computer where the share is.

When you accessed the share were you doing it from the computer where firefox is or on the computer where the PHP code is running.

I am assuming that the PHP code is running on a Web server that is on a different computer from the browser.

Yes the share is on "Computer A" webserver is on "Computer B" and I am accessing from "Computer C"

You are trying to use the FILE protocol and not the HTTP protocol.

So, try file:/// (yes 3 slashes) and then the UNC path.

BUT!!!!!

I think FireFox blocks links to local files (local as in file:/// protocol).

Any idea how I could make the webserver push it to me?

The readfile() function is the important bit. The headers there were to force a save dialogue.

I am trying to display the file via UNC and within the users browser, below is an example
RCS-MyPanel---Employee-126469351.png

It all comes down to the headers. In the end, I ended up forcing downloads as trying to consistently open certain files is a pain.

the only type of file I want to display in the browser is a PDF

Aha.

Can you try ...

<?php
header('HTTP/1.1 200 OK', True, 200);
header('Content-Type: application/pdf');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Length: ' . filesize($PhysicalFileName));
readfile($PhysicalFileName);
exit();
?>

If the file is on a share, you might want to stream the data to the browser as opposed to referring the browser to a share which the user might not have access to.
i.e. print "content type: application/pdf"
Print the pdf file to the browser or setup a script on your web server
http:/myserver/document.php?documentid=32343
The script based on the documentid will open the applicable file and will stream it.

I'm using the code below without any issues to stream files from a windows share to browsers. You only have to be sure that the user the webserver is running under has access to the drive and file.

$file='\\\\revere-acct\\start$\\NOT_PROCESSED\\400000104_PR_D32555_20100121_000.PDF';
if(file_exists($file)) {
	$fh=fopen($file, "rb");
	header("Content-Type: application/pdf");
	header("Content-Length: " . filesize($file));
	header("Content-Disposition: attachment; filename=\"400000104_PR_D32555_20100121_000.PDF\"");
	fpassthru($fh);
} else {
    echo "Could not find this file";
}

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