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A Pragmatic Look At Symfony (The PHP5 framework) by Darren Beale Skillswap Bristol - 26 th July 2007
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Who am I? Front-end & PHP Developer since 1998 Owner/Manager of Siftware Ltd in Upton-upon-Severn Siftware is 1 yr old & provides outsourced web dev services to design and development agencies The business thing is starting to interest me more than the tech Previous to Siftware I spent 8 years in London 4 years as contractor/employee Front-end (inc Flash), PHP, Coldfusion and 1 year as *nix sysadmin 4 years as owner/manager of Exponetic Ltd in Bethnal Green Grew it up to 8 staff then exited It is still going strong Underscore member all that time, although I left Bristol within months of subscribing I don’t post as much as I used to This is my first meeting, hello! A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com)
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What about you? A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) …wave them like you just don’t care How many of you are techies? How many do mostly PHP dev? Do any of you use frameworks? Symfony?
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What’s I’ll be covering A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) Why use a framework? Intro to Symfony Symfony’s MVC implementation Coding a simple web application from scratch Areas for Improvement Summary What next?
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Why use a framework? A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) Factors out common patterns Code layout Config URL routing Authentication and Security Form validation Internationalisation/Localisation Encourages good design and allows one to easily utilise best practices
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Intro to Symfony A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) symfony-project.com symfony-project.com Written in PHP5 Superb documentation including a couple of sample applications The book is open source and available online Forums, wiki, mailing list as one would expect Lots of plugins including CMS Forum Blog
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Intro to Symfony cont… A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) Recommended configuration Apache with mod_rewrite PHP5.2.x Simple to install Pear #> pear channel-discover pear.symfony-project.com #> pear install symfony/symfony Apache, add alias in your VirtualHost, e.g. Alias /sf /usr/share/php/data/symfony/web/sf
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Intro to Symfony cont… A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) Minimal dependencies, all included Creole Database Abstraction Support for MySQL, PostgreSQL, SQLite, MSSQL Propel Object Relationship Mapping About to officially support Doctrine too but can already use via plugin PAKE Library for easy command line tasks LIME Library for easy unit and functional testing Plus… Prototype Script.aculo.us TinyMCE (WYSIWYG) DynArch.com Rich Calendar
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Symfony’s MVC implementation A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) Model Data access and manipulation Based on Propel (by default) Built in tools for pagination, sorting and filters Model can be configured using XML or YAML Symfony builds your model for you! #> symfony propel-build-model Symfony provides classes ready for you to extend your model
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Symfony’s MVC implementation cont… A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) View Presentation layer Global layout and configuration Each action can have its own sub template View config can go down as low as actions Symfony uses PHP as its templating language There’s a Smarty plugin Partials and Slots Template fragments without business logic Components Template fragments with business logic
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Symfony’s MVC implementation cont… A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) Controller Routes the business logic Each ‘module’ has a controller class with a number of ‘action’ methods Automatic conversion of the URL into the appropriate module/action Pre and post execute methods
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Lots of coding A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) Lets get our hands dirty Dev environment is Windows XP (sorry) with Debian server running under VMWare with Apache, PHP, MySQL and Samba Apache document root is a Samba share mapped as a drive The app I’m going to build is very simple. I had bigger plans but I de-scoped as I went along
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Summary A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) We talked about Why frameworks are A Good Thing Intro to Symfony Symfony’s MVC implementation Coding a simple web application from scratch Areas for Improvement
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Areas for Improvement A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) I think Symfony is superb and has got a huge amount going for it That said, there are a few area that niggle me Some of the build process is a bit flakey Well it is for me anyway Especially around refactoring Seems a bit magic sometimes But one could argue that’s the point Forums and mailing lists are not always particularly helpful They seem to be more helpful when you know what you’re talking about (e.g. the documentation is already superb, go read that) Some would argue this as a positive as it leaves the mailing lists free of noise
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What next? A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com) For more information Symfony-project.com Try the sample application there or Askeet! the 24 day sample project Feel free to email me with questions darren.beale@siftware.co.uk I’ll put these slides up on http://bealers.com along with the codehttp://bealers.com
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A Pragmatic Look At Symfony (The PHP5 framework) for Skillswap Bristol by Darren Beale (mail@bealers.com)
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