Hierarchical Data With PHP and MySQL
Hierarchical Data With PHP and MySQL
I recently had fun with an all-to-common issue with SQL driven websites: hierarchical data. For those who don’t like big words, think trees. Other people have already discussed storage methods, and I would actually highly suggest you read the writeup if you haven’t already.
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http://www.toosweettobesour.com/2008/06/02/hierarchical-data-with-php-and-mysql/
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