Creating a PHP 5 to PHP 7 code converter
For the most part, PHP 5.x code can run unchanged on PHP 7. There are a few changes, however, that are classified as backwards incompatible. What this means is that if your PHP 5 code is written in a certain way, or uses functions that have been removed, your code will break, and you'll have a nasty error on your hands.
Getting ready
The PHP 5 to PHP 7 Code Converter does two things:
- Scans your code file and converts PHP 5 functionality that has been removed to its equivalent in PHP 7
- Adds comments with
//
WARNING
where changes in language usage have occurred, but where a re-write is not possibleNote
Please note that after running the converter, your code is not guaranteed to work in PHP 7. You will still have ...
Get PHP 7 Programming Cookbook now with O’Reilly online learning.
O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.