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PHP, MySQL and Authentication 101

Authentication is required by any online admin system. In this article, Havard introduces us to two types of PHP/MySQL authentication: dialogs and forms.

Author Info:
By: Havard Lindset
Rating: 4 stars4 stars4 stars4 stars4 stars / 92
July 07, 2002
  1. · PHP, MySQL and Authentication 101
  2. · Authentication 101
  3. · HTTP Authentication (contd.)
  4. · Form Authentication
  5. · Conclusion

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PHP, MySQL and Authentication 101 - Conclusion
(Page 5 of 5 )

You should now be able to protect your pages using PHP/MySQL authentication. Once you get into it, you'll see for yourself how valuable this can be. You may also have learned some precautions to take when querying a database. Basic rule: Always prepare variables before using them in SQL queries.

Suggestions for further expansion:
  • Multiple access levels
  • "Lifetime" cookies that keeps the users logged in even when they close the browser
  • Make an auth class using OOP (I'm working on one!)
  • User management (add, edit, remove users)
I could have included all of this functionality in the tutorial, but if I did that, there wouldn't be any fun left for you. As always, feel free to ask questions or discuss this article in the forums.
DISCLAIMER: The content provided in this article is not warranted or guaranteed by Developer Shed, Inc. The content provided is intended for entertainment and/or educational purposes in order to introduce to the reader key ideas, concepts, and/or product reviews. As such it is incumbent upon the reader to employ real-world tactics for security and implementation of best practices. We are not liable for any negative consequences that may result from implementing any information covered in our articles or tutorials. If this is a hardware review, it is not recommended to open and/or modify your hardware.

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