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Dynamically generate streamed zip archives with PHP.
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README.mkd

ZipStream-PHP

Overview

ZipStream is a library that allows you to dynamically generate streamed zip archives.

Here's an example:

# import zipstream class
use Pablotron\ZipStream\ZipStream;

# create the output stream
$zip = new ZipStream('example.zip');

# add a file named "hello.txt" to output archive, containing the
# string "hello world!"
$zip->add_file('hello.txt', 'hello world!');

# add a local file named "some-image.png" to the output archive as
# "picture.png"
$zip->add_file_from_path('picture.png', 'some-image.png');

# finalize the output stream
$zip->close();

Features:

  • Generate streamed archives without saving them to disk.
  • Files can be read from files, strings, streaming resources, or generated dynamically.
  • Zip64 support: files and archives up to 264 bytes in size
  • Stream output as an HTTP response, to a file on disk, to a resource stream, or to a custom target.
  • MIT-licensed: Use freely, even in commercial projects -- without restrictions.
  • Self-contained: Single source file with no required external dependencies, so you can easily embed ZipStream.php directly into your source tree if necessary.

Dependencies

  • PHP: 7.0 or newer (required).
  • Composer: Used for installation (optional, see below).
  • Phan: Used for static analysis (optional).
  • phpDocumentor: Used to generate the API documentation (optional).
  • PHPUnit: Used to run the test suite (optional).

Note: Consider an older version of ZipStream if you need PHP 5.x support.

Installation

Using Composer

# in your project root
composer require pablotron/zipstream:~0.3

Or add it to the composer.json for your project, like so:

"require": {
  "pablotron/zipstream": "~0.3"
},

Manual Installation

The source file for ZipStream is entirely self-contained, which means you can embed it directly in your project without using Composer by doing the following:

# copy file to your project
cp src/ZipStream.php path/to/your/project/

# then, somewhere in your project...
require_once 'path/to/ZipStream.php';

Documentation

The API documentation is available online at the following URL:

https://pablotron.github.io/zipstream-php/

You can generate the API documentation using Composer, like so:

# generate api documentation in "docs/" directory
composer docs

Brief usage examples are available in the examples/ directory.

Tests

You can run the test suite via Composer like so:

# run the test suite
composer test

License

Copyright 2007-2018 Paul Duncan (pabs@pablotron.org)

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

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