[](https://php.package.health/packages/php-standard-library/either/6.0.x-dev)
4 total, 2 unknown
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| php-standard-library/comparison | Interfaces and functions for type-safe, consistent value comparison | ^6.0 | 6.0.3 | up to date |
| php-standard-library/foundation | Exceptions, Ref, and invariant functions | ^6.0 | 6.1.1 | up to date |
| php-standard-library/option | Option type (Some/None) replacing nullable types with explicit presence semantics | ^6.0 | | unknown |
| php-standard-library/result | Result type capturing success or failure as a value for controlled error handling | ^6.0 | | unknown |
2 total, all up-to-date
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| php-standard-library/str | Unicode-aware string functions replacing PHP mb_* and standard string functions | ^6.0 | 6.1.1 | up to date |
| phpunit/phpunit | The PHP Unit Testing framework. | ^13.0 | 13.1.1 | up to date |