112 lines
3.8 KiB
Markdown
112 lines
3.8 KiB
Markdown
# PSR-7 implementation
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[](https://github.com/Nyholm/psr7/releases)
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[](https://travis-ci.org/Nyholm/psr7)
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[](https://scrutinizer-ci.com/g/Nyholm/psr7)
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[](https://scrutinizer-ci.com/g/Nyholm/psr7)
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[](https://packagist.org/packages/nyholm/psr7)
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[](https://packagist.org/packages/nyholm/psr7)
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[](LICENSE)
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A super lightweight PSR-7 implementation. Very strict and very fast.
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| Description | Guzzle | Zend | Slim | Nyholm |
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| ---- | ------ | ---- | ---- | ------ |
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| Lines of code | 3 000 | 3 000 | 1 700 | 1 000 |
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| PHP7 | No | Yes | No | Yes |
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| PSR-7* | 66% | 100% | 75% | 100% |
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| PSR-17 | No | Yes | Yes | Yes |
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| HTTPlug | No | No | No | Yes |
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| Performance** | 1.34x | 1x | 1.16x | 1.75x |
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\* Percent of completed tests in https://github.com/php-http/psr7-integration-tests
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\** See benchmark at https://github.com/Nyholm/http-client-benchmark (higher is better)
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## Installation
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```bash
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composer require nyholm/psr7
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```
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If you are using Symfony Flex then you get all message factories registered as services.
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## Usage
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The PSR-7 objects do not contain any other public methods than those defined in
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the [PSR-7 specification](https://www.php-fig.org/psr/psr-7/).
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### Create objects
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Use the PSR-17 factory to create requests, streams, URIs etc.
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```php
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$psr17Factory = new \Nyholm\Psr7\Factory\Psr17Factory();
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$request = $psr17Factory->createRequest('GET', 'http://tnyholm.se');
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$stream = $psr17Factory->createStream('foobar');
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```
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### Sending a request
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With [HTTPlug](http://httplug.io/) or any other PSR-18 (HTTP client) you may send
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requests like:
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```bash
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composer require kriswallsmith/buzz
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```
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```php
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$psr17Factory = new \Nyholm\Psr7\Factory\Psr17Factory();
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$psr18Client = new \Buzz\Client\Curl($psr17Factory);
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$request = $psr17Factory->createRequest('GET', 'http://tnyholm.se');
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$response = $psr18Client->sendRequest($request);
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```
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### Create server requests
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The [`nyholm/psr7-server`](https://github.com/Nyholm/psr7-server) package can be used
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to create server requests from PHP superglobals.
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```bash
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composer require nyholm/psr7-server
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```
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```php
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$psr17Factory = new \Nyholm\Psr7\Factory\Psr17Factory();
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$creator = new \Nyholm\Psr7Server\ServerRequestCreator(
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$psr17Factory, // ServerRequestFactory
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$psr17Factory, // UriFactory
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$psr17Factory, // UploadedFileFactory
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$psr17Factory // StreamFactory
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);
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$serverRequest = $creator->fromGlobals();
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```
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### Emitting a response
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```bash
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composer require zendframework/zend-httphandlerrunner
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```
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```php
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$psr17Factory = new \Nyholm\Psr7\Factory\Psr17Factory();
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$responseBody = $psr17Factory->createStream('Hello world');
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$response = $psr17Factory->createResponse(200)->withBody($responseBody);
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(new \Zend\HttpHandlerRunner\Emitter\SapiEmitter())->emit($response);
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```
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## Our goal
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This package is currently maintained by [Tobias Nyholm](http://nyholm.se) and
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[Martijn van der Ven](https://vanderven.se/martijn/). They have decided that the
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goal of this library should be to provide a super strict implementation of
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[PSR-7](https://www.php-fig.org/psr/psr-7/) that is blazing fast.
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The package will never include any extra features nor helper methods. All our classes
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and functions exist because they are required to fulfill the PSR-7 specification.
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