[](https://php.package.health/packages/php-standard-library/message/dev-next)
6 total, 1 unknown
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| php-standard-library/async | Fiber-based structured concurrency using cooperative multitasking | ^6.0 | 6.1.1 | up to date |
| php-standard-library/date-time | Immutable, timezone-aware date and time types with Duration, Period, and Interval | ^6.0 | 6.1.1 | up to date |
| php-standard-library/encoding | Binary-to-text encoding: Base64, Hex, and QuotedPrintable with streaming support | ^6.0 | 6.1.1 | up to date |
| php-standard-library/foundation | Exceptions, Ref, and invariant functions | ^6.0 | 6.1.1 | up to date |
| php-standard-library/io | Handle-based I/O abstractions - composable, testable, and async-ready | ^6.0 | 6.1.1 | up to date |
| php-standard-library/mime | MIME media types, multipart body construction, content sniffing, S/MIME cryptography, and DKIM signing | ^6.2 | | unknown |
1 total, all up-to-date
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| phpunit/phpunit | The PHP Unit Testing framework. | ^13.0 | 13.1.1 | up to date |