Function is a block of code which performs a specific task.

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Can I add to a built-in function?

I want be to be able to re-write the code of an existing PHP function in an abstract manner. Here is an example: scandir() scans a directory for files and folders, and returns the relative paths '.' ...
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Hidden event handlers and their parameters

I'm having a bit of trouble understanding why has an event handler to be defined as a function. AFAIK, a function can be used as anonymous called procedure as event handler It defines a ...