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https://github.com/tomzx/php-semver-checker

Compares two source sets and determines the appropriate semantic versioning to apply.
https://github.com/tomzx/php-semver-checker

analyzer inspection php ruleset semver

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Compares two source sets and determines the appropriate semantic versioning to apply.

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# PHP Semantic Versioning Checker

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PHP Semantic Versioning Checker is a console/library which allows you to inspect a set of before and after source code.

After the inspection is completed, you are given a list of changes that have occurred between the two changesets following [Semantic Versioning 2.0.0](https://semver.org/). For each of these changes, the level of the change (MAJOR, MINOR, PATCH) will be given, as well as the location of the change (file and line number) and a reason as to why this level change is suggested.

## For continuous integration

If you'd like to use `php-semver-checker` in your CI pipeline, we recommend you look at
[`php-semver-checker-git`](https://github.com/tomzx/php-semver-checker-git) which integrates with Git and will compare
your latest changes with the latest Git tag of your repository.

## Semantic Versioning 2.0.0 Overview

Given a version number MAJOR.MINOR.PATCH, increment the:

* MAJOR version when you make incompatible API changes,
* MINOR version when you add functionality in a backwards-compatible manner, and
* PATCH version when you make backwards-compatible bug fixes.

## Getting started

As this is still an alpha package, it is not suggested to include `php-semver-checker` directly in your composer.json. There are however a couple ways to use the tool:

1. **Preferred method** Download the [latest .phar build](http://psvc.coreteks.org/php-semver-checker.phar). Note that the .phar build is generally less bleeding edge than the following methods.
2. `php composer.phar create-project tomzx/php-semver-checker --stability=dev` will clone to a new php-semver-checker folder in your current working directory
3. `git clone https://github.com/tomzx/php-semver-checker.git` and `php composer.phar install` in the newly cloned directory.

See the example section for examples of how to use the tool.

### Building `php-semver-checker.phar`

First, make sure you have [box](https://github.com/box-project/box2) installed. Then, in the base directory, you can run the following command which will generate the `php-semver-checker.phar` file.

```
box build
```

## Current ruleset & verification codes

See [`docs/Ruleset.md`](docs/Ruleset.md) for an exhaustive list of currently supported (and to come) ruleset.

Verification codes are a mean to uniquely identify a semantic versioning trigger (a condition which upon detection, requires your code changes to be versioned).

## Example

```bash
php bin/php-semver-checker compare tests/fixtures/before tests/fixtures/after

Suggested semantic versioning change: MAJOR

Class (MAJOR)
+-------+--------------------------------------------------------------+------------------------------------------------------------+--------------------------------------------+------+
| Level | Location | Target | Reason | Code |
+-------+--------------------------------------------------------------+------------------------------------------------------------+--------------------------------------------+------+
| MAJOR | tests\fixtures\before\ClassRemoved.php:5 | fixtures\ClassRemoved | Class was removed. | V005 |
| MAJOR | tests\fixtures\after\ClassMethodAdded.php:7 | fixtures\ClassMethodAdded::publicMethod | [public] Method has been added. | V015 |
| MAJOR | tests\fixtures\after\ClassMethodAdded.php:12 | fixtures\ClassMethodAdded::protectedMethod | [protected] Method has been added. | V016 |
| MAJOR | tests\fixtures\after\ClassMethodParameterChanged.php:7 | fixtures\ClassMethodParameterChanged::publicMethod | [public] Method parameter changed. | V010 |
| MAJOR | tests\fixtures\after\ClassMethodParameterChanged.php:12 | fixtures\ClassMethodParameterChanged::protectedMethod | [protected] Method parameter changed. | V011 |
| MAJOR | tests\fixtures\before\ClassMethodRemoved.php:7 | fixtures\ClassMethodRemoved::publicMethod | [public] Method has been removed. | V006 |
| MAJOR | tests\fixtures\before\ClassMethodRemoved.php:12 | fixtures\ClassMethodRemoved::protectedMethod | [protected] Method has been removed. | V007 |
| MAJOR | tests\fixtures\after\ClassPropertyAdded.php:7 | fixtures\ClassPropertyAdded::$a | [public] Property has been added. | V019 |
| MAJOR | tests\fixtures\after\ClassPropertyAdded.php:9 | fixtures\ClassPropertyAdded::$b | [protected] Property has been added. | V020 |
| MAJOR | tests\fixtures\before\ClassPropertyRemoved.php:7 | fixtures\ClassPropertyRemoved::$a | [public] Property has been removed. | V008 |
| MAJOR | tests\fixtures\before\ClassPropertyRemoved.php:9 | fixtures\ClassPropertyRemoved::$b | [protected] Property has been removed. | V009 |
| MINOR | tests\fixtures\after\ClassAdded.php:5 | fixtures\ClassAdded | Class was added. | V014 |
| PATCH | tests\fixtures\after\ClassMethodAdded.php:17 | fixtures\ClassMethodAdded::privateMethod | [private] Method has been added. | V028 |
| PATCH | tests\fixtures\after\ClassMethodImplementationChanged.php:7 | fixtures\ClassMethodImplementationChanged::publicMethod | [public] Method implementation changed. | V023 |
| PATCH | tests\fixtures\after\ClassMethodImplementationChanged.php:12 | fixtures\ClassMethodImplementationChanged::protectedMethod | [protected] Method implementation changed. | V024 |
| PATCH | tests\fixtures\after\ClassMethodImplementationChanged.php:17 | fixtures\ClassMethodImplementationChanged::privateMethod | [private] Method implementation changed. | V025 |
| PATCH | tests\fixtures\after\ClassMethodParameterChanged.php:17 | fixtures\ClassMethodParameterChanged::privateMethod | [private] Method parameter changed. | V031 |
| PATCH | tests\fixtures\after\ClassMethodParameterNameChanged.php:7 | fixtures\ClassMethodParameterNameChanged::publicMethod | [public] Method parameter name changed. | V060 |
| PATCH | tests\fixtures\after\ClassMethodParameterNameChanged.php:12 | fixtures\ClassMethodParameterNameChanged::protectedMethod | [protected] Method parameter name changed. | V061 |
| PATCH | tests\fixtures\after\ClassMethodParameterNameChanged.php:17 | fixtures\ClassMethodParameterNameChanged::privateMethod | [private] Method parameter name changed. | V062 |
| PATCH | tests\fixtures\before\ClassMethodRemoved.php:17 | fixtures\ClassMethodRemoved::privateMethod | [private] Method has been removed. | V029 |
| PATCH | tests\fixtures\after\ClassPropertyAdded.php:11 | fixtures\ClassPropertyAdded::$c | [private] Property has been added. | V026 |
| PATCH | tests\fixtures\before\ClassPropertyRemoved.php:11 | fixtures\ClassPropertyRemoved::$c | [private] Property has been removed. | V027 |
+-------+--------------------------------------------------------------+------------------------------------------------------------+--------------------------------------------+------+

Function (MAJOR)
+-------+----------------------------------------------------------+-----------------------------------------------------------------------+----------------------------------+------+
| Level | Location | Target | Reason | Code |
+-------+----------------------------------------------------------+-----------------------------------------------------------------------+----------------------------------+------+
| MAJOR | tests\fixtures\before\FunctionRemoved.php:5 | fixtures\functionRemoved::functionRemoved | Function has been removed. | V001 |
| MAJOR | tests\fixtures\before\FunctionParameterChanged.php:5 | fixtures\functionParameterChanged::functionParameterChanged | Function parameter changed. | V002 |
| MINOR | tests\fixtures\after\FunctionAdded.php:5 | fixtures\functionAdded::functionAdded | Function has been added. | V003 |
| PATCH | tests\fixtures\after\FunctionImplementationChanged.php:5 | fixtures\functionImplementationChanged::functionImplementationChanged | Function implementation changed. | V004 |
| PATCH | tests\fixtures\before\FunctionParameterNameChanged.php:5 | fixtures\functionParameterNameChanged::functionParameterNameChanged | Function parameter name changed. | V067 |
+-------+----------------------------------------------------------+-----------------------------------------------------------------------+----------------------------------+------+

Interface (MAJOR)
+-------+---------------------------------------------------------------+------------------------------------------------------------+-----------------------------------------+------+
| Level | Location | Target | Reason | Code |
+-------+---------------------------------------------------------------+------------------------------------------------------------+-----------------------------------------+------+
| MAJOR | tests\fixtures\before\InterfaceRemoved.php:5 | fixtures\InterfaceRemoved | Interface was removed. | V033 |
| MAJOR | tests\fixtures\after\InterfaceMethodAdded.php:7 | fixtures\InterfaceMethodAdded::newMethod | [public] Method has been added. | V034 |
| MAJOR | tests\fixtures\after\InterfaceMethodParameterChaged.php:7 | fixtures\InterfaceMethodParameterChanged::newMethod | [public] Method parameter changed. | V036 |
| MAJOR | tests\fixtures\before\InterfaceMethodRemoved.php:7 | fixtures\InterfaceMethodRemoved::newMethod | [public] Method has been removed. | V035 |
| MINOR | tests\fixtures\after\InterfaceAdded.php:5 | fixtures\InterfaceAdded | Interface was added. | V032 |
| PATCH | tests\fixtures\after\InterfaceMethodParameterNameChaged.php:7 | fixtures\InterfaceMethodParameterNameChanged::publicMethod | [public] Method parameter name changed. | V063 |
+-------+---------------------------------------------------------------+------------------------------------------------------------+-----------------------------------------+------+

Trait (MAJOR)
+-------+--------------------------------------------------------------+------------------------------------------------------------+--------------------------------------------+------+
| Level | Location | Target | Reason | Code |
+-------+--------------------------------------------------------------+------------------------------------------------------------+--------------------------------------------+------+
| MAJOR | tests\fixtures\before\TraitRemoved.php:5 | fixtures\TraitRemoved | Trait was removed. | V037 |
| MAJOR | tests\fixtures\after\TraitMethodAdded.php:7 | fixtures\TraitMethodAdded::publicMethod | [public] Method has been added. | V047 |
| MAJOR | tests\fixtures\after\TraitMethodAdded.php:12 | fixtures\TraitMethodAdded::protectedMethod | [protected] Method has been added. | V048 |
| MAJOR | tests\fixtures\after\TraitMethodAdded.php:17 | fixtures\TraitMethodAdded::privateMethod | [private] Method has been added. | V057 |
| MAJOR | tests\fixtures\after\TraitMethodParameterChanged.php:7 | fixtures\TraitMethodParameterChanged::publicMethod | [public] Method parameter changed. | V042 |
| MAJOR | tests\fixtures\after\TraitMethodParameterChanged.php:12 | fixtures\TraitMethodParameterChanged::protectedMethod | [protected] Method parameter changed. | V043 |
| MAJOR | tests\fixtures\after\TraitMethodParameterChanged.php:17 | fixtures\TraitMethodParameterChanged::privateMethod | [private] Method parameter changed. | V059 |
| MAJOR | tests\fixtures\before\TraitMethodRemoved.php:7 | fixtures\TraitMethodRemoved::publicMethod | [public] Method has been removed. | V038 |
| MAJOR | tests\fixtures\before\TraitMethodRemoved.php:12 | fixtures\TraitMethodRemoved::protectedMethod | [protected] Method has been removed. | V039 |
| MAJOR | tests\fixtures\before\TraitMethodRemoved.php:17 | fixtures\TraitMethodRemoved::privateMethod | [private] Method has been removed. | V058 |
| MAJOR | tests\fixtures\after\TraitPropertyAdded.php:7 | fixtures\TraitPropertyAdded::$a | [public] Property has been added. | V049 |
| MAJOR | tests\fixtures\after\TraitPropertyAdded.php:9 | fixtures\TraitPropertyAdded::$b | [protected] Property has been added. | V050 |
| MAJOR | tests\fixtures\after\TraitPropertyAdded.php:11 | fixtures\TraitPropertyAdded::$c | [private] Property has been added. | V055 |
| MAJOR | tests\fixtures\before\TraitPropertyRemoved.php:7 | fixtures\TraitPropertyRemoved::$a | [public] Property has been removed. | V040 |
| MAJOR | tests\fixtures\before\TraitPropertyRemoved.php:9 | fixtures\TraitPropertyRemoved::$b | [protected] Property has been removed. | V041 |
| MAJOR | tests\fixtures\before\TraitPropertyRemoved.php:11 | fixtures\TraitPropertyRemoved::$c | [private] Property has been removed. | V056 |
| MINOR | tests\fixtures\after\TraitAdded.php:5 | fixtures\TraitAdded | Trait was added. | V046 |
| PATCH | tests\fixtures\after\TraitMethodImplementationChanged.php:7 | fixtures\TraitMethodImplementationChanged::publicMethod | [public] Method implementation changed. | V052 |
| PATCH | tests\fixtures\after\TraitMethodImplementationChanged.php:12 | fixtures\TraitMethodImplementationChanged::protectedMethod | [protected] Method implementation changed. | V053 |
| PATCH | tests\fixtures\after\TraitMethodImplementationChanged.php:17 | fixtures\TraitMethodImplementationChanged::privateMethod | [private] Method implementation changed. | V054 |
| PATCH | tests\fixtures\after\TraitMethodParameterNameChanged.php:7 | fixtures\TraitMethodParameterNameChanged::publicMethod | [public] Method parameter name changed. | V064 |
| PATCH | tests\fixtures\after\TraitMethodParameterNameChanged.php:12 | fixtures\TraitMethodParameterNameChanged::protectedMethod | [protected] Method parameter name changed. | V065 |
| PATCH | tests\fixtures\after\TraitMethodParameterNameChanged.php:17 | fixtures\TraitMethodParameterNameChanged::privateMethod | [private] Method parameter name changed. | V066 |
+-------+--------------------------------------------------------------+------------------------------------------------------------+--------------------------------------------+------+

[Scanned files] Before: 26, After: 27, Identical: 0
Time: 1.43 seconds, Memory: 5.123 MB
```

## Contributing
### Adding new rules

* Add the rules to the `docs/Ruleset.md` document
* Run `php scripts/extract-rules-from-ruleset.php` to generate an up to date array to paste in the `Configuration/LevelMapping.php` file
* Update the documentation @ https://github.com/tomzx/php-semver-checker-docs

## License

The code is licensed under the [MIT license](http://choosealicense.com/licenses/mit/). See [LICENSE](LICENSE).