14 best PHP Mock libraries in 2022

Unit testing allows the programmer to refactor code or upgrade system libraries at a later date, and make sure the module still works correctly (e.g., in regression testing). The procedure is a critical element of extreme programming, which relies on frequent releases in short development cycles and emphasizes comprehensive unit testing to ensure application stability. Mock objects can be used as a replacement for real objects in unit testing, they often also record how they were used so that you can make assertions about this after the test has finished. Let's see the 14 best PHP Mock libraries in 2022, mockery - simple yet flexible PHP mock object framework; prophecy - Highly opinionated mocking framework for PHP 5.3; phpunit-mock-objects Mock Object library for PHPUnit.