Re: [PHP] create archive file in memory with zipArchive class

On 9 February 2010 15:42, Ryan Sun <[email protected]> wrote:
> I want to generate credential zip file for user on the fly with
> zipArchive and render it for download, so I created following code
> ---------------------------------------------------------
> $zip = new ZipArchive();
> $filename = '/tmp/xxx.zip';
> if ($zip->open($filename, ZIPARCHIVE::CREATE)!==TRUE) {
>      throw new Exception();
> }
> if($zip)
> {
>     $zip->addFromString('xxx.xx', $fileString);
> }
> $zip->close();
> $fileString = file_get_contents($filename);
> unlink($filename);
>
> $this->getResponse()->setHeader('Content-Type', 'application/zip');
> $this->getResponse()->setHeader('Content-Disposition','attachment;filename=xxx.zip');
> $this->getResponse()->setBody($fileString);
> -----------------------------------------------------
> it works, but I think creating the file in memory is a better
> approach, so I changed the 2nd lineI(using php 5.2.0) to
> $filename = 'php://temp/xxx.zip';
> then the php just won't archive the file and the file downloaded is
> just a plain text file.
>
> so
> question 1, how to create zip Archive file in memory on the fly and
> download it (I don't have to save it on disk)?
> question 2, if there is no way to create in memory, is it safe to just
> unlink() the file?
>
> thanks in advance.
>
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>
>

According to http://docs.php.net/manual/en/wrappers.php.php, it looks
like you should be using ...

$filename = 'php://temp';

That's it.

The actual file name is not your job.



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