https://github.com/terales/multi-writes-to-gzipped-file

[RESEARCH] Research a browser behavior with multiple writes to the gzip compressed file
https://github.com/terales/multi-writes-to-gzipped-file

Last synced: about 2 months ago
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[RESEARCH] Research a browser behavior with multiple writes to the gzip compressed file

• Host: GitHub
• URL: https://github.com/terales/multi-writes-to-gzipped-file
• Owner: terales
• License: mit
• Created: 2017-08-09T18:37:26.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2017-08-13T02:45:51.000Z (over 7 years ago)
• Last Synced: 2025-01-17T16:37:25.237Z (4 months ago)
• Language: PHP
• Size: 708 KB
• Stars: 0
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
### This is a [research code](https://meiert.com/en/blog/20140716/research-and-production/).

## Multiple writes to the same `xml` file with `compress.zlib://` stream would fail to decode in browsers if served via `readfile()`

* Issue: https://github.com/samdark/sitemap/issues/44

* Question on StackOverflow: https://stackoverflow.com/questions/45598939/multiple-writes-to-the-same-compressed-xml-file-would-break-it-in-browsers

#### Chrome, v60:

![image](https://user-images.githubusercontent.com/1920639/29138081-2c8890f4-7d4b-11e7-8162-a0b625f6df43.png)

#### Firefox, v54:

![image](https://user-images.githubusercontent.com/1920639/29138131-5a70c842-7d4b-11e7-9ebf-d484e4fe3b5b.png)

### How to reproduce

Sample files could be generated in `generate-files.php` and served via `serve.php`. 

How to check this issue?

```sh

composer start-server

# in the other terminal

composer check

```

Try how different files served:

:x: http://localhost:8000/serve.php?file=multi


:heavy_check_mark: http://localhost:8000/serve.php?file=remulti


:heavy_check_mark: http://localhost:8000/serve.php?file=one