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Speak HTTP and Consume APIs! Guzzle! by @jeremeamia • #mwphp15! with!
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TODAY! 1. HTTP Overview! 2. Using Guzzle to send HTTP requests! 3. Building a Web Service! Client with Guzzle!
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Hi, I’m Jeremy.! @jeremeamia!
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Hi, I’m Jeremy.! @jeremeamia! Seattle PHP User Group! @seaphp!
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Hi, I’m Jeremy.! @jeremeamia! Seattle PHP User Group! @seaphp! AWS SDK for PHP! @awsforphp!
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Hi, I’m Jeremy.! @jeremeamia! Seattle PHP User Group! @seaphp! AWS SDK for PHP! @awsforphp! @phpbard! phpbard.tumblr.com!
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Hi, I’m Jeremy.! @jeremeamia! Seattle PHP User Group! @seaphp! AWS SDK for PHP! @awsforphp! @phpbard! phpbard.tumblr.com! pnwphp.com! (Sep 11th-12th)!
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Guzzle! ! HTTP Client! - & -! Web Service! Client! Framework!
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Guzzle! ! Thanks to! @mtdowling! for Guzzle!!
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AWS SDK for PHP ! ! Built on Guzzle!!
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HTTP!
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Hypertext! Transfer Protocol! HTTP!
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HTTP!
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HTTP!
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HTTP! Web Services! APIs! Service Oriented Architecture!
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HTTP! • RFC 2616 (1999)!
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HTTP! • RFC 2616 (1999)! • RFC 723* (2014)!
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HTTP! • RFC 2616 (1999)! • RFC 723* (2014)! • HTTP/2 (2015)! ( http2.github.io )!
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URLs! • RFC 3986 (2005)!
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URLs! http://example.com:9000/a/b/c?z=10#foo! ! • scheme! • authority = userinfo @ host : port! • path! • query! • fragment!
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HTTP! Message! Request! Response!
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HTTP Messages! START_LINE CRLF! (MESSAGE_HEADERS CRLF)*! CRLF! [MESSAGE_BODY]!
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HTTP Requests! POST /people HTTP/1.1! Host: example.com! Accept: application/json! Content-Length: 26! ! first=Jeremy&last=Lindblom!
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HTTP Requests! POST /people HTTP/1.1! Host: example.com! Accept: application/json! Content-Length: 26! ! first=Jeremy&last=Lindblom! ! Method!
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HTTP Methods! GET! POST! PUT! DELETE! ! HEAD! OPTIONS! PATCH! etc.!
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HTTP Requests! POST /people HTTP/1.1! Host: example.com! Accept: application/json! Content-Length: 26! ! first=Jeremy&last=Lindblom! ! Path!
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HTTP Requests! POST /people HTTP/1.1! Host: example.com! Accept: application/json! Content-Length: 26! ! first=Jeremy&last=Lindblom! ! Version!
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HTTP Requests! POST /people HTTP/1.1! Host: example.com! Accept: application/json! Content-Length: 26! ! first=Jeremy&last=Lindblom! ! Headers!
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HTTP Requests! POST /people HTTP/1.1! Host: example.com! Accept: application/json! Content-Length: 26! ! first=Jeremy&last=Lindblom! ! Empty Line!
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HTTP Requests! POST /people HTTP/1.1! Host: example.com! Accept: application/json! Content-Length: 26! ! first=Jeremy&last=Lindblom! ! Body!
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HTTP Responses! HTTP/1.1 200 OK! Content-Type: application/json! Content-Length: 45! ! {'first':'Jeremy','id':293,'last':'Lindblom'}!
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HTTP Responses! HTTP/1.1 200 OK! Content-Type: application/json! Content-Length: 45! ! {'first':'Jeremy','id':293,'last':'Lindblom'}! Version!
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HTTP Responses! HTTP/1.1 200 OK! Content-Type: application/json! Content-Length: 45! ! {'first':'Jeremy','id':293,'last':'Lindblom'}! Status Code!
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Statuses! • 1xx – Informational! • 2xx – Success ! • 3xx – Redirection! • 4xx – Client Error! • 5xx – Server Error!
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HTTP Responses! HTTP/1.1 200 OK! Content-Type: application/json! Content-Length: 45! ! {'first':'Jeremy','id':293,'last':'Lindblom'}! Reason Phrase!
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Statuses! • 200 OK! • 301 Moved Permanently! • 400 Bad Request! • 403 Forbidden! • 404 Not Found! • 500 Internal Server Error!
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HTTP Responses! HTTP/1.1 200 OK! Content-Type: application/json! Content-Length: 45! ! {'first':'Jeremy','id':293,'last':'Lindblom'}! Headers!
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HTTP Responses! HTTP/1.1 200 OK! Content-Type: application/json! Content-Length: 45! ! {'first':'Jeremy','id':293,'last':'Lindblom'}! Empty Line!
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HTTP Responses! HTTP/1.1 200 OK! Content-Type: application/json! Content-Length: 45! ! {'first':'Jeremy','id':293,'last':'Lindblom'}! Body!
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Header Effects! Request:! Accept: application/json! ! ! ê! ! Response:! Content-Type: application/json!
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PHP as the HTTP Client! • fsockopen()! • file_get_contents()! • cURL! • PECL_HTTP! • PHP libraries (e.g., Guzzle)!
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PHP as the HTTP Client! • fsockopen()! • file_get_contents()! • cURL! • PECL_HTTP! • PHP libraries (e.g., Guzzle)!
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Guzzle Features! • Makes HTTP easy! • Uses cURL –OR– PHP stream handler! • Persistent connections! • Concurrent & asynchronous requests! • Easy to extend! • Body/stream abstraction! • Tools for building web service clients!
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Really, It's Easy!!
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Really, It's Easy!! same as!
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NO! curl_setopt
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Guzzle Popularity! Used by:! • Drupal 8! • Laravel! • AWS SDK for PHP! • Goutte! • Tumblr API Client! (As of 2015-03-12)!
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A History of Guzzle (Part 1)! 2011! APR! Guzzle! 1.0! Jeremy! finds! Guzzle! JAN! Guzzle! 2.0! 2012! MAR! Whoa! This lib is awesome!!
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A History of Guzzle (Part 2)! MAY! Michael! joins! AWS! NOV! Guzzle! 3.0! 2012! AWS! SDK 2.0! OCT!
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A History of Guzzle (Part 3)! JAN! DEC! 2013! Regular Updates! |! )! )!
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AWS! SDK 3.0! beta! A History of Guzzle (Part 4)! MAR! Guzzle! 4.0! 2014! OCT! Guzzle! 5.0!
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Coming Soon! APR/MAY?! 2015! AWS! SDK 3.0! stable! Guzzle! 6.0!
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Guzzle ! • Guzzle 4! – Swappable/custom HTTP adapters! – Improved concurrent requests! • Guzzle 5! – Asynchronous requests! • Guzzle 6 (coming soon)! – PSR7 compliant interfaces! – Improved asynchronous requests! – Replace events with middleware!
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MOAR CODEZ PLZ!!!! • Examples: https://github.com/ jeremeamia/sunshinephp-guzzle- examples! • Guzzle Docs: guzzlephp.org! • Service Description Docs: http:// guzzle3.readthedocs.org/webservice- client/guzzle-service-descriptions.html! • Pretend Service: httpbin.org!
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Let's Build a Service Client for…!
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Guzzle Packages! {! "require": {! "guzzlehttp/guzzle": "~5.0",! "guzzlehttp/guzzle-services": "~0.5.0",! "guzzlehttp/retry-subscriber": "~2.0",! },! …! }!
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And now! a story about Guzzle by! @phpbard!
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This is a story about an elePHPant named Guzzle.! She consumes lots of data. But how? It's no puzzle.!
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Armed with HTTP, she knows how to transport! Text and files of any size and sort.!
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From client to server, and from server to client,! Her requests and responses are RFC compliant.!
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And beyond the basics of just cookie and header.! There's much more to Guzzle that just makes her better:!
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From concurrent requests, from events and plugins,! To web service descriptions. And this just begins…!
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To show you all that Guzzle can do! To help you consume your web services too.!
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Speak HTTP and Consume APIs! Guzzle! by @jeremeamia • #ssp15! with!