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Starting with

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@zenstruck About Me ● Kevin Bond ● Kitchener, Ontario ● PHP Developer – Symfony2 core/docs contributor [email protected] zenstruck.com

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@zenstruck What is Symfony2?

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@zenstruck What is Symfony2? ● Set of stand-alone, decoupled components

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@zenstruck What is Symfony2? ● Set of stand-alone, decoupled components ● Full-stack framework based on these components

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@zenstruck What is Symfony2? ● Set of stand-alone, decoupled components ● Full-stack framework based on these components ● Community ● Forum/Mailing List/IRC (#symfony on Freenode) ● 3rd party bundles (knpbundles.com) ● 5000+ watchers / 1300+ forks ● 560+ unique contributors

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@zenstruck Symfony2 Components DependencyInjection EventDispatcher HttpFoundation DomCrawler ClassLoader CssSelector HttpKernel BrowserKit Templating Translation Serializer Validator Security Routing Console Process Config Finder Locale Yaml Form

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@zenstruck Projects using Symfony2 ● Assetic (Process) ● Doctrine2 (Console) ● PHPUnit (Yaml) ● Behat ● Silex ● Drupal 8 ● Propel

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@zenstruck Why use Symfony2? ● Fast ● PHP 5.3 ● Well engineered (no singletons) ● Forces* best practices ● Extensible and flexible ● Stable and established ● Testable

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@zenstruck What Symfony2 is not

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@zenstruck What Symfony2 is not MVC Framework

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@zenstruck What Symfony2 is not MVC Framework

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@zenstruck HTTP Framework Request Response

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@zenstruck HTTP Framework Request Response I don't like MVC because that's not how the web works. Symfony2 is an HTTP framework; it is a Request/Response framework. That's the big deal. The fundamental principles of Symfony2 are centered around the HTTP specification. - Fabien Potencier

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@zenstruck Bundles ● Everything is a bundle (even the framework is a collection of core bundles) ● Bundles contain: ● Configuration/Translations/Documentation ● Routes/Controllers/Views ● Public resources (js/css/images) ● Services/Events/Models/Forms etc (* don't make your bundle a library) ● Tests ● NOT VENDOR LIBS ● Override with child bundle ● 690+ bundles on knpbundles.com

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@zenstruck Useful Bundles ● FOSUserBundle ● FOSFacebookBundle ● KnpMenuBundle ● SonataAdminBundle ● FOSJsRoutingBundle ● OAuthBundle ● JMSI18nRoutingBundle

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@zenstruck Anatomy of a Request

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@zenstruck Anatomy of a Request ● Request

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@zenstruck Anatomy of a Request ● Request ● Kernel

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@zenstruck Anatomy of a Request ● Request ● Kernel ● Controller

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@zenstruck Anatomy of a Request ● Request ● Kernel ● Controller ● Response (html, json, xml, etc...)

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@zenstruck Anatomy of a Request ● Request ● Kernel ● Controller ● Exception? ● Response (html, json, xml, etc...)

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Service Container

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@zenstruck Get Started curl -s http://getcomposer.org/installer | php composer.phar create-project symfony/framework-standard-edition path/to/install

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Demo

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@zenstruck “Killer” Feature

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@zenstruck “Killer” Feature Symfony2 Reverse Proxy

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@zenstruck 3 Types of HTTP Cache ● From the docs: ● Browser caches: Every browser comes with its own local cache that is mainly useful for when you hit "back" or for images and other assets. The browser cache is a private cache as cached resources aren't shared with anyone else. ● Proxy caches: A proxy is a shared cache as many people can be behind a single one. It's usually installed by large corporations and ISPs to reduce latency and network traffic. ● Gateway caches: Like a proxy, it's also a shared cache but on the server side. Installed by network administrators, it makes websites more scalable, reliable and performant.

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@zenstruck Symfony2 Reverse Proxy ● Request ● Kernel ● Controller ● Response (html, json, xml, etc...)

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@zenstruck Symfony2 Reverse Proxy ● Request ● Reverse Proxy ● Kernel ● Controller ● Response (html, json, xml, etc...)

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@zenstruck Symfony2 Reverse Proxy ● Request ● Reverse Proxy ● Kernel ● Controller ● Response (html, json, xml, etc...) ● Set s-maxage header

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@zenstruck Symfony2 Reverse Proxy ● Request ● Reverse Proxy ● Cached version? ● Kernel ● Controller ● Response (html, json, xml, etc...) ● Set s-maxage header

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@zenstruck Caching Dynamic Content

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@zenstruck Caching Dynamic Content ● Sub-requests

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@zenstruck Caching Dynamic Content ● Sub-requests ● ESI – Edge Side Includes – Server side sub-requests

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@zenstruck Caching Dynamic Content ● Sub-requests ● ESI – Edge Side Includes – Server side sub-requests ● CSI – Client Side Includes (new in 2.1) – Uses javascript (hinclude.js) – Client side sub-requests

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@zenstruck Resources ● github.com/kbond/gpug-symfony2 ● symfony.com (docs/cookbook) ● fabien.potencier.org ● knpbundles.com ● richardmiller.co.uk ● knpuniversity.com ● connect.sensiolabs.com ● live.symfony.com ● mnot.github.com/hinclude