Chapter 12Binary Data
All the examples of database driven websites we’ve seen so far have dealt with sites based around textual data. Jokes, authors, categories … all these elements can be fully represented with strings of text. But what if you ran, say, an online digital photo gallery to which people could upload pictures taken with digital cameras? For this idea to work, visitors need to be able to upload their photos to our site, and we need the ability to keep track of them.
In this chapter, you will develop a system whereby users can upload binary files (images, documents … whatever!) and have them stored on your web server for display on your site. There are several techniques you’ll need to learn on the way, though, and I’ll cover all ...
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