Generate dynamic zip files containing variable addresses and files and get downloadable links

Question

I want to put 2 files into a zip file, one is thanks.txt and the other is file.dat, using the following code, and link to this zip file, but my code does not run correctly, I Need help correcting and optimizing this code.

In the thanks.txt file, place the following text along with the customer's user email:

Hi, Dear '.$email_address .' Thanks for using it!

My code:

funtion create_zip_file() {
    
    // Get Current User Email Address!
    $current_user = wp_get_current_user();
    $email_address = $current_user->user_email;
    
    $md5_address = md5($email_address);

    $directory_path = 'myfiles/cloud/' . $md5_address . '/';
    if (!file_exists($directory_path)) {
        mkdir($directory_path, 0777, true);
    }
    
    $Myfile = file_put_contents($directory_path . 'file.dat' , $email_address);

    if (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] != 'off') {
        $website_url = 'https://' . $_SERVER['HTTP_HOST'] .'/';
    } else {
        $website_url = 'http://' . $_SERVER['HTTP_HOST'] .'/';
    }

    $result = $website_url . $directory_path . 'file.dat';

    $zip = new ZipArchive;
    if ($zip->open($zip_file , ZipArchive::CREATE) === TRUE)
    {
        //Add files to the zip file
        $zip->addFile($result);
        
        // Add a file new.txt file to zip using the text specified
        $zip->addFromString('thanks.txt', 'Hi, Dear '.$email_address.' Thanks for use it!');
     
        // All files are added, so close the zip file
        $zip->close();
        
        // Delete file after zip it
        unlink($result);
    }
    
    $zip_file = $website_url . $directory_path . 'file.zip';
    
    if (file_exists($zip_file)) {
        return $zip_file;
    } else {
        return false;
    }
}

And I call the zip file with the following code:

Download zip file

If I use a static address ($zip_file) in the following code:

if ($zip->open($zip_file , ZipArchive::CREATE) === TRUE)

The zip file is created, but when I use dynamic address, the zip file is not created.

Answer 1

$zip->addFile($result); Expected a valid path on the server, but you passed in the URL of the file.

Same applies to $zip_file = $website_url . $directory_path . 'file.zip';

Please use the same path used when creating the .dat file: $zip->addFile($ directory_path . 'file.dat')