August 2016
Intermediate to advanced
286 pages
5h 31m
English
Content preview from Modernizing Legacy Applications in PHPBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Review and next steps
After we have extracted all the include calls from our classes, we will have finally removed one of the last major artifacts of our legacy architecture. We can load a class without any side effects, and logic is executed only as a result of invoking a method. This is a big step forward for us.
We can now begin paying attention to overarching end-to-end architecture of our legacy application.
As things stand now, the entire legacy application is still located in the web server document root. Users browse to each page script directly. This means that the URLs are coupled to the file system. In addition, each page script has quite a bit of repeated logic: load a setup script, instantiate a controller using dependency injection, ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.