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symfony logopsr-http-message-bridge

PSR HTTP message bridge

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Quick Overview

The symfony/psr-http-message-bridge is a PHP library that provides a bridge between Symfony's HttpFoundation component and PSR-7 HTTP message interfaces. It allows developers to convert Symfony Request and Response objects to PSR-7 compliant objects and vice versa, enabling better interoperability between Symfony and PSR-7 based applications.

Pros

  • Seamless integration between Symfony and PSR-7 compliant libraries
  • Improves code portability and reusability across different PHP frameworks
  • Maintains compatibility with both Symfony's HttpFoundation and PSR-7 standards
  • Lightweight and easy to integrate into existing projects

Cons

  • Adds an additional layer of abstraction, which may impact performance slightly
  • Requires understanding of both Symfony's HttpFoundation and PSR-7 interfaces
  • May introduce complexity in projects that don't require PSR-7 compatibility

Code Examples

  1. Converting a Symfony Request to a PSR-7 ServerRequest:
use Symfony\Bridge\PsrHttpMessage\Factory\PsrHttpFactory;
use Symfony\Component\HttpFoundation\Request;
use Nyholm\Psr7\Factory\Psr17Factory;

$psr17Factory = new Psr17Factory();
$psrHttpFactory = new PsrHttpFactory($psr17Factory, $psr17Factory, $psr17Factory, $psr17Factory);

$symfonyRequest = Request::createFromGlobals();
$psrRequest = $psrHttpFactory->createRequest($symfonyRequest);
  1. Converting a PSR-7 Response to a Symfony Response:
use Symfony\Bridge\PsrHttpMessage\Factory\HttpFoundationFactory;
use Nyholm\Psr7\Response;

$psr7Response = new Response(200, ['Content-Type' => 'text/html'], '<html><body>Hello, World!</body></html>');
$httpFoundationFactory = new HttpFoundationFactory();
$symfonyResponse = $httpFoundationFactory->createResponse($psr7Response);
  1. Using the bridge in a Symfony controller:
use Psr\Http\Message\ServerRequestInterface;
use Symfony\Bridge\PsrHttpMessage\Factory\HttpFoundationFactory;
use Symfony\Component\HttpFoundation\Response;

class MyController
{
    public function index(ServerRequestInterface $request)
    {
        // Work with PSR-7 request
        $name = $request->getQueryParams()['name'] ?? 'World';
        
        // Create PSR-7 response
        $psr7Response = new \Nyholm\Psr7\Response(200, [], "Hello, $name!");
        
        // Convert PSR-7 response to Symfony response
        $httpFoundationFactory = new HttpFoundationFactory();
        return $httpFoundationFactory->createResponse($psr7Response);
    }
}

Getting Started

  1. Install the library using Composer:
composer require symfony/psr-http-message-bridge nyholm/psr7
  1. Use the bridge in your Symfony application:
use Symfony\Bridge\PsrHttpMessage\Factory\PsrHttpFactory;
use Symfony\Bridge\PsrHttpMessage\Factory\HttpFoundationFactory;
use Nyholm\Psr7\Factory\Psr17Factory;

$psr17Factory = new Psr17Factory();
$psrHttpFactory = new PsrHttpFactory($psr17Factory, $psr17Factory, $psr17Factory, $psr17Factory);
$httpFoundationFactory = new HttpFoundationFactory();

// Now you can use $psrHttpFactory to convert Symfony requests to PSR-7
// and $httpFoundationFactory to convert PSR-7 responses to Symfony responses

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PSR-7 Bridge

Provides integration for PSR7.

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