[](https://php.package.health/packages/yiisoft/strings/2.4.0)
No required dependencies.
6 total, 2 outdated
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| maglnet/composer-require-checker | CLI tool to analyze composer dependencies and verify that no unknown symbols are used in the sources of a package | ^4.2 | 4.14.0 | up to date |
| phpunit/phpunit | The PHP Unit Testing framework. | ^9.5 | 11.4.3 | outdated |
| rector/rector | Instant Upgrade and Automated Refactoring of any PHP code | ^0.18.3 | 1.04 | outdated |
| roave/infection-static-analysis-plugin | Static analysis on top of mutation testing - prevents escaped mutants from being invalid according to static analysis | ^1.16 | 1.35.0 | up to date |
| spatie/phpunit-watcher | Automatically rerun PHPUnit tests when source code changes | ^1.23 | 1.24.0 | up to date |
| vimeo/psalm | A static analysis tool for finding errors in PHP applications | ^4.30|^5.8 | 5.26.1 | up to date |