Chapter 20File Uploads with PHP and FileMaker

Uploading files has long been a mysterious subject to many web developers. Some programming environments force the programmer to write lengthy blocks of code to correctly parse file uploads, while others make it cumbersome and unintuitive. PHP, however, allows very easy handling of file uploads. Uploading files is the operation of selecting a file on your hard drive from within a web form.

How Do File Uploads Work?

The structure of the web dictates that file uploads be initiated by the user through direct interaction with a form within a web browser. All web browsers have a special form element that allows cross-platform file selection capability, which allows a user to click a button and select a ...

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