What is a good tool to check codebase compatibility with PHP 8?

• PHPCompatibility

  19 2,121 9.0 PHP

  PHP Compatibility check for PHP_CodeSniffer

  

- phpCompatibility (https://github.com/PHPCompatibility/PHPCompatibility) works with PHPCs, but seems that targeting PHP8 is a mixed bag (judging by issues that mention some check as WIP)

• phan

  8 5,500 8.2 PHP

  Phan is a static analyzer for PHP. Phan prefers to avoid false-positives and attempts to prove incorrectness rather than correctness.

  

- Phan (https://github.com/phan/phan) seems that it can check for backward compatibility but I've yet to find a way to configure it for forward-compatibility

• WorkOS

  workos.com sponsored

  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

• Rector

  112 8,222 9.9 PHP

  Instant Upgrades and Automated Refactoring of any PHP 5.3+ code

  

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