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14 best PHP Mock libraries in 2025

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by marketing.admin@openweaver.com dot icon Updated: Mar 12, 2023

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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.

mockeryby mockery

PHP doticonstar image 10406 doticonVersion:1.5.1doticon
License: Others (Non-SPDX)

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).

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            mockeryby mockery

            PHP doticon star image 10406 doticonVersion:1.5.1doticon License: Others (Non-SPDX)

            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).
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                      prophecyby phpspec

                      PHP doticonstar image 8544 doticonVersion:v1.17.0doticon
                      License: Permissive (MIT)

                      Highly opinionated mocking framework for PHP 5.3+

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                                prophecyby phpspec

                                PHP doticon star image 8544 doticonVersion:v1.17.0doticon License: Permissive (MIT)

                                Highly opinionated mocking framework for PHP 5.3+
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                                          phpunit-mock-objectsby sebastianbergmann

                                          PHP doticonstar image 5027 doticonVersion:1.2.3doticon
                                          License: Others (Non-SPDX)

                                          Mock Object library for PHPUnit

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                                                    phpunit-mock-objectsby sebastianbergmann

                                                    PHP doticon star image 5027 doticonVersion:1.2.3doticon License: Others (Non-SPDX)

                                                    Mock Object library for PHPUnit
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                                                              vfsStreamby bovigo

                                                              PHP doticonstar image 1364 doticonVersion:v1.6.11doticon
                                                              License: Permissive (BSD-3-Clause)

                                                              vfsStream is a stream wrapper for a virtual file system that may be helpful in unit tests to mock the real file system. It can be used with any unit test framework, like PHPUnit or SimpleTest.

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                                                                        vfsStreamby bovigo

                                                                        PHP doticon star image 1364 doticonVersion:v1.6.11doticon License: Permissive (BSD-3-Clause)

                                                                        vfsStream is a stream wrapper for a virtual file system that may be helpful in unit tests to mock the real file system. It can be used with any unit test framework, like PHPUnit or SimpleTest.
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                                                                                  AspectMockby Codeception

                                                                                  PHP doticonstar image 758 doticonVersion:4.1.1doticon
                                                                                  License: Permissive (MIT)

                                                                                  The most powerful and flexible mocking framework for PHPUnit / Codeception.

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                                                                                            AspectMockby Codeception

                                                                                            PHP doticon star image 758 doticonVersion:4.1.1doticon License: Permissive (MIT)

                                                                                            The most powerful and flexible mocking framework for PHPUnit / Codeception.
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                                                                                                      wp_mockby 10up

                                                                                                      PHP doticonstar image 601 doticonVersion:0.5.0doticon
                                                                                                      License: Others (Non-SPDX)

                                                                                                      WordPress API Mocking Framework

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                                                                                                                wp_mockby 10up

                                                                                                                PHP doticon star image 601 doticonVersion:0.5.0doticon License: Others (Non-SPDX)

                                                                                                                WordPress API Mocking Framework
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                                                                                                                          phakeby phake

                                                                                                                          PHP doticonstar image 472 doticonVersion:v4.4.0doticon
                                                                                                                          License: Others (Non-SPDX)

                                                                                                                          PHP Mocking Framework

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                                                                                                                                    phakeby phake

                                                                                                                                    PHP doticon star image 472 doticonVersion:v4.4.0doticon License: Others (Non-SPDX)

                                                                                                                                    PHP Mocking Framework
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                                                                                                                                              Phakeby mlively

                                                                                                                                              PHP doticonstar image 456 doticonVersion:v4.0.0doticon
                                                                                                                                              License: Others (Non-SPDX)

                                                                                                                                              PHP Mocking Framework

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                                                                                                                                                        Phakeby mlively

                                                                                                                                                        PHP doticon star image 456 doticonVersion:v4.0.0doticon License: Others (Non-SPDX)

                                                                                                                                                        PHP Mocking Framework
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                                                                                                                                                                  http-mockby InterNations

                                                                                                                                                                  PHP doticonstar image 387 doticonVersion:Currentdoticon
                                                                                                                                                                  License: Permissive (MIT)

                                                                                                                                                                  Mock HTTP requests on the server side in your PHP unit tests

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                                                                                                                                                                            http-mockby InterNations

                                                                                                                                                                            PHP doticon star image 387 doticonVersion:Currentdoticon License: Permissive (MIT)

                                                                                                                                                                            Mock HTTP requests on the server side in your PHP unit tests
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                                                                                                                                                                                      soft-mocksby badoo

                                                                                                                                                                                      PHP doticonstar image 302 doticonVersion:3.1.1doticon
                                                                                                                                                                                      License: Permissive (MIT)

                                                                                                                                                                                      PHP mocks engine that allows to redefine functions and user methods on-the-fly (provides similar functionality to runkit and uopz extensions)

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                                                                                                                                                                                                soft-mocksby badoo

                                                                                                                                                                                                PHP doticon star image 302 doticonVersion:3.1.1doticon License: Permissive (MIT)

                                                                                                                                                                                                PHP mocks engine that allows to redefine functions and user methods on-the-fly (provides similar functionality to runkit and uopz extensions)
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                                                                                                                                                                                                          Stubby Codeception

                                                                                                                                                                                                          PHP doticonstar image 277 doticonVersion:4.0.2doticon
                                                                                                                                                                                                          License: Permissive (MIT)

                                                                                                                                                                                                          Flexible Stub wrapper for PHPUnit's Mock Builder

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                                                                                                                                                                                                                    Stubby Codeception

                                                                                                                                                                                                                    PHP doticon star image 277 doticonVersion:4.0.2doticon License: Permissive (MIT)

                                                                                                                                                                                                                    Flexible Stub wrapper for PHPUnit's Mock Builder
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                                                                                                                                                                                                                              BrainMonkeyby Brain-WP

                                                                                                                                                                                                                              PHP doticonstar image 267 doticonVersion:2.6.1doticon
                                                                                                                                                                                                                              License: Permissive (MIT)

                                                                                                                                                                                                                              Mocking utility for PHP functions and WordPress plugin API

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                                                                                                                                                                                                                                        BrainMonkeyby Brain-WP

                                                                                                                                                                                                                                        PHP doticon star image 267 doticonVersion:2.6.1doticon License: Permissive (MIT)

                                                                                                                                                                                                                                        Mocking utility for PHP functions and WordPress plugin API
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                                                                                                                                                                                                                                                  php-mock-phpunitby php-mock

                                                                                                                                                                                                                                                  PHP doticonstar image 147 doticonVersion:2.7.1doticon
                                                                                                                                                                                                                                                  License: Permissive (WTFPL)

                                                                                                                                                                                                                                                  Mock built-in PHP functions (e.g. time() or rand()) in PHPUnit.

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                                                                                                                                                                                                                                                            php-mock-phpunitby php-mock

                                                                                                                                                                                                                                                            PHP doticon star image 147 doticonVersion:2.7.1doticon License: Permissive (WTFPL)

                                                                                                                                                                                                                                                            Mock built-in PHP functions (e.g. time() or rand()) in PHPUnit.
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                                                                                                                                                                                                                                                                      mock-webserverby donatj

                                                                                                                                                                                                                                                                      PHP doticonstar image 115 doticonVersion:v2.6.1doticon
                                                                                                                                                                                                                                                                      License: Permissive (MIT)

                                                                                                                                                                                                                                                                      Simple mock web server in PHP for unit testing.

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                                                                                                                                                                                                                                                                                mock-webserverby donatj

                                                                                                                                                                                                                                                                                PHP doticon star image 115 doticonVersion:v2.6.1doticon License: Permissive (MIT)

                                                                                                                                                                                                                                                                                Simple mock web server in PHP for unit testing.
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