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PHP MVC Frameworks and Symfony

PHP MVC Frameworks and Symfony. What is MVC?. Model-View-Controller Separates: M: Data model V: Presentation (UI) C: Business logic Can change any of these three without affecting the others (in theory). Why use an MVC framework?. Avoid “reinventing the wheel” Use proven, tested code

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PHP MVC Frameworks and Symfony

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  1. PHP MVC Frameworksand Symfony

  2. What is MVC? • Model-View-Controller • Separates: • M: Data model • V: Presentation (UI) • C: Business logic • Can change any of these three without affecting the others (in theory)

  3. Why use an MVC framework? • Avoid “reinventing the wheel” • Use proven, tested code • Automation (ORM, generators) • Maintainability • “Plugin” functionality

  4. Flow: Traditional vs. MVC Query Controller Model Processing Output Output Query Output Processing View Final Output

  5. Popular PHP MVC Frameworks • CakePHP • Documentation is somewhat lacking • Apparently difficult for beginners • Symfony • Great documentation and community • Easy to get started • Zend • Supported by Zend (official PHP company) • More of a library than complete framework

  6. Why did we choose Symfony? • Steep learning curve, but… • Great documentation • Great community • Well-written and tested code • Nice deployment system (PEAR / SVN) • Extensive use of existing projects, instead of rewriting everything from scratch

  7. http://www.symfony-project.org

  8. Model View Controller

  9. Command line interface • Has a command line interface • Creates the basis for the module • Helps with maintenance • Easy to check if everything worked

  10. Object Relational Mapper (ORM) YAML (Used in RoR) • Propel gives database independence • Id, created_at, & foreign key fields are autogenerated

  11. Object Relational Mapper (ORM) • Database tables = classes & table rows = objects • Auto-generated based on schema

  12. Admin Generator • List, show, edit, & add • 4 pages, < 30 LOC

  13. i18n and l10n English: (LTR) Arabic: (RTL)

  14. Symfony Plugins • 100s of plugins • Easy integration • AJAX, CSS, CMS, SEO, Security, Flash, etc.

  15. Diagnose Problems • Check Execution Time • Optimize SQL Queries

  16. Should you use an MVC framework for your next project? • Are there complex hierarchical relationships in your data? • Will this project need to be maintained by more than one person for more than a year? • Do you need the ability to add advanced features like AJAX without writing the code from scratch? • Probably Yes. (unless it’s a throwaway)

  17. Which MVC Framework? • .NET (official) • Ruby on Rails • PHP • CakePHP • Symfony • Zend • Use a well-established framework with good documentation and a large community

  18. More information • Symfony Project: • http://www.symfony-project.org • Syllogistic Software: • http://www.syllogisticsoftware.com • Questions? • Contact Jason Hanley – jhanley@sylsft.com

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