Yii About the Tutorial The Yii[ji:] framework is an open-source PHP framework for rapidly-developing, modern Web applications. It is built around the Model-View-Controller composite pattern. Yii provides secure and professional features to create robust projects rapidly. Audience The Yii framework has a component-based architecture and a full solid caching support. Therefore, it is suitable for building all kinds of Web applications: forums, portals, content managements systems, RESTful services, e-commerce websites, and so forth. Prerequisites Yii is a pure OOP (Object-Oriented Programming) framework. Hence, it requires a basic knowledge of OOP. The Yii framework also uses the latest features of PHP, like traits and namespaces. The major requirements for Yii2 are PHP 5.4+ and a web server. Copyright & Disclaimer Copyright 2016 by Tutorials Point (I) Pvt. Ltd. All the content and graphics published in this e-book are the property of Tutorials Point (I) Pvt. Ltd. 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If you discover any errors on our website or in this tutorial, please notify us at [email protected] i Yii Table of Contents About the Tutorial ............................................................................................................................................ i Audience ........................................................................................................................................................... i Prerequisites ..................................................................................................................................................... i Copyright & Disclaimer ..................................................................................................................................... i Table of Contents ............................................................................................................................................ ii 1. Yii – Overview ........................................................................................................................................... 1 Core Features .................................................................................................................................................. 1 Environment .................................................................................................................................................... 1 2. Yii – Installation ........................................................................................................................................ 4 3. Yii – Create Page ....................................................................................................................................... 6 4. Yii – Application Structure ........................................................................................................................ 8 Yii2 – Objects ................................................................................................................................................... 9 5. Yii – Entry Scripts .................................................................................................................................... 11 6. Yii – Controllers ....................................................................................................................................... 14 Understanding Actions .................................................................................................................................. 14 Understanding Routes ................................................................................................................................... 18 7. Yii – Using Controllers ............................................................................................................................. 20 8. Yii – Using Actions ................................................................................................................................... 24 Create a Standalone Action Class .................................................................................................................. 25 Important Points............................................................................................................................................ 29 9. Yii – Models ............................................................................................................................................ 30 Attributes....................................................................................................................................................... 30 Attribute Labels ............................................................................................................................................. 32 Scenarios ....................................................................................................................................................... 34 Massive Assignment ...................................................................................................................................... 37 Data Export .................................................................................................................................................... 38 Important Points............................................................................................................................................ 39 10. Yii – Widgets ........................................................................................................................................... 40 Using Widgets ................................................................................................................................................ 40 Creating Widgets ........................................................................................................................................... 41 Important Points............................................................................................................................................ 44 11. Yii – Modules .......................................................................................................................................... 45 Important Points............................................................................................................................................ 48 12. Yii – Views ............................................................................................................................................... 49 Creating Views ............................................................................................................................................... 49 Accessing Data in Views ................................................................................................................................ 54 13. Yii – Layouts ............................................................................................................................................ 56 ii Yii Create a Layout .............................................................................................................................................. 58 Important Points............................................................................................................................................ 63 14. Yii – Assets .............................................................................................................................................. 64 Properties of .................................................................................................................................................. 65 AssetBundle ................................................................................................................................................... 65 Core Yii Assetbundles .................................................................................................................................... 69 15. Yii- Asset Conversion ............................................................................................................................... 70 16. Yii – Extensions ....................................................................................................................................... 72 Using Extensions ............................................................................................................................................ 72 17. Yii – Creating Extensions ......................................................................................................................... 77 18. Yii – HTTP Requests ................................................................................................................................. 83 19. Yii – Responses ....................................................................................................................................... 88 Sending Files .................................................................................................................................................