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        Previously on the blog
        RSS feed
        1. Using POG with Flex
        2. Optimizing your web application
        3. Regenerating large objects
        4. PHP4 or PHP5
        5. New and Improved
        6. Evolution of a cube
        7. POG Museum
        8. POG 3.0 alpha
        9. Initial Performance results Part 2
        10. Initial performance results
        11. Proposal: POG 3.0 object model
        12. Suggest a feature
        13. A new year, A new POG release
        14. Many-Many relations
        15. POG 2.5 Released
        16. POG 2.5 beta
        17. Automatic table alignment
        18. New version: 2.1.2 released
        19. RSS should work well now
        20. RSS feed glitches
        21. What's new in 2.1.0
        22. PHP Objects 2.1.0 (preview)
        23. PHP Object relations FAQ
        24. PHP Object Relations
        25. Searching base64 encoded text
        26. How to debug POG-generated objects
        27. POG UI Tips
        28. Featuring Of Interest links
        29. PHP CRUD
        30. POG 2.0.1: A better code generator
        31. A look at the POG SOAP API
        32. POG 2.0.0 released
        33. Coming soon: Generate parent-child objects
        34. Generated abstraction v/s dynamic abstraction
        35. Zend Framework preview
        36. Coming soon: Generate Objects through SOAP
        37. Easily save images and files to a database
        38. PHP, Paypal & POG
        39. Five advanced Code Generator tips
        40. PHP Pagination using generated objects
        41. PHP Code Generator benchmarks
        42. Representing database objects using an AJAX Tree interface
        43. Using SETUP in a production environment
        44. Description of the generated object package
        45. Introducing PHP Object Generator version 1.6
        46. Using AJAX and PHP Object Generator
        47. When to use Object->SaveNew()
        48. Generating PHP objects in 2006
        49. Happy Holidays
        50. A short video of the POG Setup process
        51. A sneak peek at POG 1.6
        52. POG Tip: Field limits
        53. Previous versions.
        54. Searching the blog and tutorials sections
        55. Generating code with "Other" SQL data types
        56. Five general POG tips
        57. POG source code locations
        58. Microsoft SQL 2005 Express Edition
        59. Impatiently awaiting PHP 5.1 and PDO
        60. Php Object Generator goes open source
        61. POG generates PDO compatible code
        62. Oracle to offer free database
        63. POG Google group
        64. Database Wrappers and POG
        65. Revisions
        66. The generator blog
        67. An explanation of the 'Escape' function.
        68. Mirror, mirror
        69. Using POG to solve real world problems
        70. A php object-relational database tool
        71. A simple and flexible Object Oriented approach to PHP


        Want more Php Object Generator?
        Back to the Code Generator
        The POG Google group
        The POG tutorials/code samples
        The POG mirror site




        Using AJAX and PHP Object Generator

        written 4842 days ago

        AJAX, as you must have heard already, is a set of not-so-new technologies (Javascript, XML, CSS) which allows developers to design web applications with minimal server post-backs. The main difference this technique offers over “traditional” or “Web 1.0” applications is a more responsive and interactive graphical interface, since browser-server interactions occur behind the scenes without the need for a page refresh.

        All the examples provided up to now in our tutorials have dealt with traditional scenarios: Usually a web form, PHP objects generated by POG and some plumbing code that joins them together. In this article, we’ll demonstrate how POG can also easily be used with an AJAX UI to create a simple to-do list. But first, if you’re not familiar with concepts related to AJAX, we recommend that you read this short article which gives a 30 second AJAX tutorial.

        Using POG and AJAX is not much different than using POG and regular HTML or XHTML, because essentially, in both cases, you’re dealing with PHP objects in the back-end. Whatever happens in the front-end, whether there’s a server post-back or not, is quite irrelevant. For example, let’s say you’ve created a form that captures to-do items that are used to build a to-do list. The method used to post the input to the PHP objects doesn’t really matter, as long as they’re passed correctly. In the examples provided in our tutorials, we use plain html forms and server post-backs to pass the required information. In this current article, we’ll use AJAX.

        Take a look at the live example below:

        Note: The live example might not work if you are currently reading this article in your RSS feed reader.


        Live Example:



        New todo item:

        In this example, whenever the “Add” button is clicked, the page makes a call to the javascript function sndReq with 2 parameters: action and todo. The sndReq function then asynchronously passes these 2 variables to rpc.php in the background. In rpc.php, we’ve added some code to handle 2 types of actions. If action is “Add”, then we create a Todo object, assign the value of todo to it, and save it. If action is “Get”, we simply get the last 5 to-do items and return them. If you followed the example on the 30-second tutorial site, you’ll notice that we essentially plugged in POG-related code in rpc.php to save and retrieve Todo objects. For aesthetic reasons, we also used a “Yellow Fade Technique” script to briefly highlight the most recently added to-do item.

        Download the source code and take a look for yourself.

        1. Extract the zipped file into a folder on your server.
        2. Edit configuration.php with your database details.
        3. Run /setup/index.php and complete the 3 steps.
        4. Finally run /index.php and you should be able to add items to your to-do list.

        Note: The PHP objects in this tutorial have been generated using a Pre-Release version of POG version 1.6. Users can currently beta test version 1.6 at http://beta.phpobjectgenerator.com. We expect the final release to occur at the end of January. In the meantime, take a video tour of POG 1.6
        Update: POG 1.6 has since been released.

        We hope this provides somewhat of an overview of how POG can be used with AJAX web applications as well as traditional web applications. Whichever method you choose or prefer is your personal choice.

        Additional Reading:
        Here’s some additional links somewhat related to this post:
        The Fade Anything Technique
        The Yellow Fade Technique
        moo.fx (super lightweight javascript effects library)
        Prototype Javascript framework


          Textile Help
        About Php Object Generator
        This is a weblog about the Php Object Generator (POG) project, OO PHP, databases and Php code generators in general.

        Php Object Generator, (POG) is an open source PHP code generator which automatically generates clean & tested Object Oriented code for your PHP4/PHP5 application.

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