# PHPUnit Tests

PHPUnit is the official testing framework chosen by the core team to test PHP code.

For more information, please review the relevant Core Handbook pages:
- [PHP: PHPUnit](https://make.wordpress.org/core/handbook/testing/automated-testing/phpunit/)
- [Writing PHP Tests](https://make.wordpress.org/core/handbook/testing/automated-testing/writing-phpunit-tests/)