Question: I was wondering if the following is possible to do and with hope someone could potentially help me.

I would like to create a 'download zip' feature but when the individual clicks to download then the button fetches images from my external domain and then bundles them into a zip and then downloads it for them.

I have checked on how to do this and I can't find any good ways of grabbing the images and forcing them into a zip to download.

I was hoping someone could assist

Answer: 
```
# define file array
$files = array(
    'https://www.google.com/images/logo.png',
    'https://upload.wikimedia.org/wikipedia/commons/thumb/5/53/Wikipedia-logo-en-big.png/220px-Wikipedia-logo-en-big.png',
);

# create new zip object
$zip = new ZipArchive();

# create a temp file & open it
$tmp_file = tempnam('.', '');
$zip->open($tmp_file, ZipArchive::CREATE);

# loop through each file
foreach ($files as $file) {
    # download file
    $download_file = file_get_contents($file);

    #add it to the zip
    $zip->addFromString(basename($file), $download_file);
}

# close zip
$zip->close();

# send the file to the browser as a download
header('Content-disposition: attachment; filename="my file.zip"');
header('Content-type: application/zip');
readfile($tmp_file);
unlink($tmp_file);

```

Note: This solution assumes you have `allow_url_fopen` enabled. Otherwise look into using cURL to download the file.
I hope I didn't understand wrong.

<http://php.net/manual/en/book.zip.php>

I haven't tried this, but it seems like what you're looking for. 

```
<?php
$zip = new ZipArchive;

if ($zip->open('my_archive.zip') === TRUE) {
    $zip->addFile($url, basename($url));
    $zip->close();
    echo 'ok';
} else {
    echo 'failed';
}
?>

```