docs(articles): SEO titles, intros and a section preview image for From Magento to Symfony
en/articles/magento-to-symfony/basics/lifecycle.md
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title: 'The Symfony request lifecycle: HttpKernel and kernel.* events'
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# The life of a request
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In Magento a request goes through the FrontController, the router list and the action's `execute()`. In Symfony `HttpKernel` follows the same path, but every step is an event anyone can subscribe to: routing, security, argument conversion, exception handling. Understand this diagram, and most of Symfony's "magic" becomes ordinary event listeners.