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Initial configuration
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7 年 前 | |
|---|---|---|
| .. | ||
| src | 7 年 前 | |
| CHANGELOG.md | 7 年 前 | |
| LICENSE | 7 年 前 | |
| README.md | 7 年 前 | |
| composer.json | 7 年 前 | |
README.md
composer/semver
Semver library that offers utilities, version constraint parsing and validation.
Originally written as part of composer/composer, now extracted and made available as a stand-alone library.
Installation
Install the latest version with:
$ composer require composer/semver
Requirements
- PHP 5.3.2 is required but using the latest version of PHP is highly recommended.
Version Comparison
For details on how versions are compared, refer to the Versions article in the documentation section of the getcomposer.org website.
Basic usage
Comparator
The Composer\Semver\Comparator class provides the following methods for comparing versions:
- greaterThan($v1, $v2)
- greaterThanOrEqualTo($v1, $v2)
- lessThan($v1, $v2)
- lessThanOrEqualTo($v1, $v2)
- equalTo($v1, $v2)
- notEqualTo($v1, $v2)
Each function takes two version strings as arguments. For example:
use Composer\Semver\Comparator;
Comparator::greaterThan('1.25.0', '1.24.0'); // 1.25.0 > 1.24.0
Semver
The Composer\Semver\Semver class provides the following methods:
- satisfies($version, $constraints)
- satisfiedBy(array $versions, $constraint)
- sort($versions)
- rsort($versions)
License
composer/semver is licensed under the MIT License, see the LICENSE file for details.