1[](https://packagist.org/packages/phpunit/phpunit-mock-objects) 2[](https://php.net/) 3[](https://travis-ci.org/sebastianbergmann/phpunit-mock-objects) 4 5# PHPUnit_MockObject 6 7**PHPUnit_MockObject** is the default mock object library for PHPUnit. 8 9## Requirements 10 11* PHP 5.6 is required but using the latest version of PHP is highly recommended 12 13## Installation 14 15You can add this library as a local, per-project dependency to your project using [Composer](https://getcomposer.org/): 16 17 composer require phpunit/phpunit-mock-objects 18 19If you only need this library during development, for instance to run your project's test suite, then you should add it as a development-time dependency: 20 21 composer require --dev phpunit/phpunit-mock-objects 22 23
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