HTTPlug client (with basic auth)

composer.sh

composer require psr/http-client nyholm/psr7

Service.php

<?php

class Service
{
    /** @var Psr\Http\Client\ClientInterface */
    private $client;

    /** @var Psr\Http\Message\RequestFactoryInterface */
    private $requestFactory;

    /** @var Psr\Http\Message\StreamFactoryInterface */
    private $streamFactory;

    public function __construct(
        Psr\Http\Client\ClientInterface $client,
        Psr\Http\Message\RequestFactoryInterface $requestFactory,
        Psr\Http\Message\StreamFactoryInterface $streamFactory
    ) {
        $this->client = $client;
        $this->requestFactory = $requestFactory;
        $this->streamFactory = $streamFactory;
    }

    public function doStuff(): void
    {
        $this->client->sendRequest(
            $this->requestFactory
                ->createRequest('POST', '/api')
                ->withBody($this->streamFactory->createStream('{"foo":"bar"}'))
        );
    }
}

services.yml

services:
    Psr\Http\Client\ClientInterface: '@httplug.psr18_client.default'
    Psr\Http\Message\RequestFactoryInterface: '@httplug.psr17_request_factory.default'
    Psr\Http\Message\StreamFactoryInterface: '@httplug.psr17_stream_factory.default'
    Psr\Http\Message\UriFactoryInterface: '@httplug.psr17_uri_factory.default'

    Psr\Http\Client\ClientInterface.api_provider:
        public: true
        class: Http\Client\Common\PluginClient
        arguments:
            - '@Psr\Http\Client\ClientInterface'
            -
                - !service
                    class: Http\Client\Common\Plugin\AuthenticationPlugin
                    arguments: [ !service { class: Http\Message\Authentication\BasicAuth, arguments: [ 'user', 'password' ] } ]
                - !service
                    class: Http\Client\Common\Plugin\BaseUriPlugin
                    arguments:
                        - !service
                            class: Psr\Http\Message\UriFactoryInterface
                            factory: ['@Psr\Http\Message\UriFactoryInterface', 'createUri']
                            arguments: ['http://localhost/api']
                        - { replace: true }

    Service:
        arguments:
            - '@Psr\Http\Client\ClientInterface.api_provider'
            - '@Psr\Http\Message\RequestFactoryInterface'
            - '@Psr\Http\Message\StreamFactoryInterface'