By Manuel Lemos

Sooner or later, you may need to make your PHP applications code with newer versions.

Often you want to upgrade to benefit from new PHP features.

Other times you may fear that your applications be abused by badly intentioned people who abuse older version vulnerabilities.

Other times, your customer may require that your code works in newer PHP versions because those are the ones that are available in the hosting environment on which your PHP will run.

Read this article to learn about several tools and methods that can help you to find and fix code that needs to be changed to work in newer PHP versions.