[](https://php.package.health/packages/symfony/contracts/v3.4.2)
3 total, all up-to-date
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| psr/cache | Common interface for caching libraries | ^3.0 | 3.0.0 | up to date |
| psr/container | Common Container Interface (PHP FIG PSR-11) | ^1.1|^2.0 | 2.0.2 | up to date |
| psr/event-dispatcher | Standard interfaces for event handling. | ^1.0 | 1.0.0 | up to date |
1 total, all up-to-date
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| symfony/polyfill-intl-idn | Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions | ^1.10 | v1.29.0 | up to date |