Extending own libraries with good OO

Yes, that's true. But my question wasn't about web scraping. It was a question about how to structure our own libraries. The question would exist even if it was a different application and not web scraping. Any ideas?

Hey, don't work without a PHP debugger. Several free IDEs have this features built in. Two are NetBeans and CodeLobster. Without a debugger, it's like you're driving with a blindfold on -- you are going to crash!