The most powerful and flexible mocking framework for PHPUnit / Codeception.
BDD in PHP
Full-stack testing PHP framework
Faker is a PHP library that generates fake data for you
PHP Mutation Testing library
Mink extension (tight integration and configuration) for Behat
Mockery is a simple yet flexible PHP mock object framework for use in unit testing with PHPUnit, PHPSpec or any other testing framework. Its core goal is to offer a test double framework with a succinct API capable of clearly defining all possible object operations and interactions using a human readable Domain Specific Language (DSL).
PhpBrowser module for Codeception
Library that provides collection, processing, and rendering functionality for PHP code coverage information.
SpecBDD Framework for PHP
The PHP Unit Testing framework.
Mock Object library for PHPUnit
Highly opinionated mocking framework for PHP 5.3+
BDD style code blocks for PHPUnit / Codeception