[](https://php.package.health/packages/symfony/security-core/v3.4.3)
1 total, all up-to-date
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| symfony/polyfill-php56 | Symfony polyfill backporting some PHP 5.6+ features to lower PHP versions | ~1.0 | v1.20.0 | up to date |
7 total, 7 outdated
| Package | Required | Latest | Status | |
|---|---|---|---|---|
| psr/container | Common Container Interface (PHP FIG PSR-11) | ^1.0 | 2.0.2 | outdated |
| psr/log | Common interface for logging libraries | ~1.0 | 3.0.0 | outdated |
| symfony/event-dispatcher | Provides tools that allow your application components to communicate with each other by dispatching events and listening to them | ~2.8|~3.0|~4.0 | v7.0.7 | outdated |
| symfony/expression-language | Provides an engine that can compile and evaluate expressions | ~2.8|~3.0|~4.0 | v7.0.7 | outdated |
| symfony/http-foundation | Defines an object-oriented layer for the HTTP specification | ~2.8|~3.0|~4.0 | v7.0.7 | outdated |
| symfony/ldap | Provides a LDAP client for PHP on top of PHP's ldap extension | ~3.1|~4.0 | v7.0.7 | outdated |
| symfony/validator | Provides tools to validate values | ^3.2.5|~4.0 | v7.0.7 | outdated |