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Take what you've learned about Object-Oriented PHP to extends this project and build additional projects. Then start sharing your knowledge with others.
Extend this Application
- Give the Premium Listing additional features such as an image
- Add another level to your listings
- Add a detail page for each listing with additional information
- Create a different type of directory such as a Address Book or Classified Ads
Extending Other Classes
Extending classes is a great way to enhance built in functionality or 3rd party packages. It is also one of the main concepts used in frameworks.
- Extend a Built in Class such as Exception or PDO
- Extend a 3rd Party Package such as HTML Purifier or PHPMailer
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