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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?
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        The POG mirror site




        How to debug POG-generated objects

        written 4583 days ago

        Sometimes, while working with POG generated PHP objects, you might get unexpected results. Here’s a short cheatsheet that should help you diagnose and solve your issue(s) quickly:

        Verify Object validity
        Check that the object generated is valid by loading it into a PHP editor. If there are any syntax errors, it will show up. In extremely rare cases, POG might generate invalid PHP objects. For instance, If your object doesn’t have an appropriate name or attributes (e.g. object name which starts with a Number instead of an Alphabetical character).

        Run Setup
        POG Setup’s main purpose is to automate table creation (if necessary), perform unit testing and provide a light scaffolding environment for your objects. Each time setup is run, all the objects present in the /objects folder are tested and verified to make sure that all 5 CRUD methods are working correctly. This is a quick way to determine whether or not any change you made to the object is causing you trouble.

        POG Setup Failure?
        If you encounter any fatal issues during POG setup, POG will prevent you from proceeding. The issues in the “fatal” category include:

        1. Table not properly created
        2. Mismatch between POG Object and Existing table.

        In the first case, simply copy the SQL from the object header and try to execute it on your database. If there are issues with the SQL statement, you’ll be able to see it right away.

        In the second case, drop any existing table and let POG try to recreate it.

        Including all necessary files
        Did you include all the necessary files at the beginning of your PHP file?

        Echoing out sql queries
        Until we find the time to implement a debug setting, you can easily see what query POG is issuing to the database by echoing out the $pog_query variable within any object. For instance, let’s say you have a Save() statement in your code but nothing is happening on the database level, i.e. no records are being created. Simply put an echo command in front of the $pog_query variable in the Save() method of your object. This will echo out the query just before it is dispatched to the database and you’ll most probably find why the query is invalid immediately.

        Print_r(Object)
        Sometimes, you just want to see what’s the internal state of your object, whether it’s after you go a Get() or Save(). You can easily print out the contents of your php object by using print_r

        Read documentation
        The POG documentation outlines the essential things you should know before using POG. We’ve also create some documentation summary in PDF format that you can download and read at your leisure.

        Ask for help
        Head to the POG Google group and search the archive for similar issues that have been solved. More often than not, your questions have already been answered previously. If not, feel free to post your issue. We’ll get back to you ASAP

        Other common issues
        Other issues commonly encountered when dealing with PHP Database objects are:

        Hopefully, this will help reduce your debugging time to a minimum while dealing with POG objects.


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        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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