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Editorial Team
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Asked: 2026-05-25T22:55:45+00:00

I’m building a file sharing site, and I’m thinking, I want my users to

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I’m building a file sharing site, and I’m thinking, I want my users to be able to upload and share anything.

Sounds dangerous, I know. But, is there a method to allow this to be possible? For example, forcing the download when the user requests the link with a mime type? Rather than “running” something on the page.

Any ideas how to allow any file type without the security issue.

Thanks

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1 Answer

  1. Editorial Team
    1. Store the file on a location not accessible by the user through the browser. (so above the document root)
    2. when loading a file, use the readfile() function.

    3. Set correct headers, including these:

      header("Content-Description: File Transfer");
header("Content-Disposition: attachment; filename=[INSERT FILENAME HERE]");

      And also use the correct content-type header for each type of file

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