If you are planning to pay someone to build your sites for you, there is no need to read any further, though I would still recommend you learn the basics, so you can keep other honest. By that I mean, if you go to a mechanic, and you need a new air filter, they [...]

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Learning PHP, Part 1: Register for an account, upload files for approval, and view and download approved files
Learning PHP, Part 2: Upload files and use XML to store and display file information
Learning PHP, Part 3: Authentication, objects, exceptions, and streaming