HTTP-Clients in PHP - vom fopen-Wrapper zur Symfony-Komponente

Vom fopen-Wrapper zum
Symfony HttpClient

View Slide

Denis Brumann
@dbrumann
Software Developer
Berlin, Germany

View Slide

3
HTTP-Requests in PHP
eine kurze Geschichtsstunde
By Copyright © 2005 David Monniaux - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=494543

View Slide

@dbrumann / [email protected] 4

View Slide


View Slide

HTTP-Clients!

View Slide

composer require
guzzle/guzzle

View Slide


View Slide

composer require
guzzlehttp/guzzle

View Slide


View Slide

Library A Library B
Guzzle 5
Guzzle 6
Your App

View Slide


View Slide

Library A Library B
Httplug
Httplug
Your App
Httplug
Guzzle 6-Adapter
Guzzle 5-Adapter

View Slide

Encourage devs to
depend on the
HTTPlug interface
instead of concrete
clients.
Provide good
quality HTTP-
related packages to
the PHP
community.
Over time, make
HTTPlug a PHP
Standards
Recommendation
(PSR)

View Slide

The goal of this PSR is to allow developers to
create libraries decoupled from HTTP client
implementations. This will make libraries more
reusable as it reduces the number of dependencies
and lowers the likelihood of version conflicts.

View Slide

$request = new Request('GET', 'https://reqres.in/api/users');
use GuzzleHttp\Psr7\Request;
use Psr\Http\Client\ClientInterface;
$response = $client->sendRequest($request);

View Slide

use Psr\Http\Client\ClientInterface;
$response = $client->sendRequest($request);
$request = $requestFactory->createRequest('GET',
'https://reqres.in/api/users');
use Psr\Http\Message\RequestFactoryInterface;

View Slide


View Slide

HttpClientInterface::sendRequest()
RequestInterface

View Slide

RequestExceptionInterface

View Slide

HttpClientInterface::sendRequest()
RequestInterface
ResponseInterface

View Slide

NetworkExceptionInterface

View Slide

A Client must not treat a well-formed HTTP
request or HTTP response as an error condition.

View Slide

Wie konfiguriere ich meinen HttpClient?

View Slide

Wie kann ich Requests asynchron versenden?

View Slide

Was ist mit HTTP/2- oder HTTP/3-Features?

View Slide


View Slide

composer require
symfony/http-client

View Slide


View Slide

$response = $this->httpClient->request(
'GET',
'https://reqres.in/api/users'
);

View Slide

$response = $httpClient->request(
'GET',
'https://httpbin.org/get',
[
// these values are automatically encoded
// before including them in the URL
'query' => [
'token' => '...',
'name' => '...',
],
]
);

View Slide

@throws TransportExceptionInterface
When a network error occurs
@throws RedirectionExceptionInterface
On a 3xx when $throw is true and the
"max_redirects" option has been reached
@throws ClientExceptionInterface
On a 4xx when $throw is true
@throws ServerExceptionInterface
On a 5xx when $throw is true

View Slide

public function getHeaders(bool $throw = true): array;
public function getContent(bool $throw = true): string;
public function toArray(bool $throw = true): array;

View Slide


View Slide

Library A Library B
Guzzle 6
Guzzle 5
Your App

View Slide

@dbrumann / [email protected]bs.de 48
Library A Library B
Symfony 5
Symfony 4
Your App
?

View Slide


View Slide

Symfony\Component\HttpClient\
Psr18Client

View Slide

class="Symfony\Component\HttpClient\Psr18Client"
>

id="Psr\Http\Message\ResponseFactoryInterface"
on-invalid="ignore"
/>
id="Psr\Http\Message\StreamFactoryInterface"
on-invalid="ignore"
/>

View Slide

T h e c o m p o n e n t i s b u i l t f o r m a x i m u m H T T P p e r f o r m a n c e . B y d e s i g n ,
i t i s c o m p a t i b l e w i t h H T T P / 2 a n d w i t h d o i n g c o n c u r r e n t
a s y n c h r o n o u s s t r e a m e d a n d m u l t i p l e x e d r e q u e s t s / r e s p o n s e s . E v e n
w h e n d o i n g re g u l a r s y n c h ro n o u s c a l l s , t h i s d e s i g n a l l o w s k e e p i n g
c o n n e c t i o n s t o re m o t e h o s t s o p e n b e t w e e n re q u e s t s , i m p ro v i n g
p e r f o r m a n c e b y s a v i n g re p e t i t i v e D N S re s o l u t i o n , S S L n e g o t i a t i o n ,
e t c . To l e v e r a g e a l l t h e s e d e s i g n b e n e f i t s , t h e c U R L e x t e n s i o n i s
n e e d e d .

View Slide

HttpClient::create()
Curl
Native

View Slide


View Slide

@dbrumann 58
Thank You!
https://joind.in/talk/e8765

View Slide

HTTP-Clients in PHP - vom fopen-Wrapper zur Symfony-Komponente

HTTP-Clients in PHP - vom fopen-Wrapper zur Symfony-Komponente

Denis Brumann

More Decks by Denis Brumann

Other Decks in Programming

Featured

Transcript