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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Chapter 2. Prerequisites
Before we begin modernizing our application, we need to make sure we have the necessary prerequisites in place to do the work of refactoring. These are as following:
- A revision control system
- A PHP version of 5.0 or higher
- An editor or IDE with multi-file search-and-replace
- A style guide of some sort
- A test suite
Revision control
Revision control (also known as source control or version control) allows us to keep track of the prerequisites:revision control" changes we make to our codebase. We can make a change, then commit it to source control, make more changes and commit them, and push our changes to other developers on the team. If we discover an error, we can revert to an earlier version of the codebase to a point where the ...
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