Rewriting 15-Year-Old Code

Have you ever had to maintain a 15-year-old application? Dead code everywhere, database queries in between HTML tags, and some pages still in PHP 3. This strategy-level presentation will lead you through a progressive rewrite, from very old legacy to the latest shiny version of PHP. Learn how to automate legacy testing, how to seamlessly jump between the old and new parts, and how to overcome other challenges that arise from dealing with legacy.