Thanks, I didn't think of making an array of ALL the categoryId's I needed prior to executing the query, I was trying to dynamically get the main categories and get the children categories through the IN() function.

I would be interested to see if anyone could write a recursive mysql query to search inside children categories infinitely given 1 root categoryId.

As for Snipply, I've been fixing a lot of bugs, adding new stuff. I'll keep everyone updated once I get snipply's blog up, and I should be able to sync my local code in the next week, so that we can actually start using the site (Right now, there are some major bugs making the site unusable). Thanks for signing up, anyone already signed up before I make the site invite-only will automatically get an invite. I'll also be giving out extra invites based off the bug reports/content the users submit, so make sure to send me a bug or a comment/idea if you have one with the 'report a bug' link at the bottom.

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The man who invented the wheel was smart. The man who invented the other 3, he was a genius.