Symfony 已发布全新的 4.0.0 首个测试版本，Symfony 是一个基于 MVC 模式的面向对象的 PHP Web 框架。基于最佳 Web 开发实践，已经有多个网站完全采用此框架开发，symfony 的目的是加速 Web 应用的创建与维护。
4.0 版本带来了大量的新特性，完整内容请查阅发行说明。部分如下：
Adding a new debug:autowiring command
[HttpFoundation] Make sessions secure and lazy
[Form] [TwigBridge] Added option to disable usage of default themes when rendering a form
[OptionsResolver] Support array of types in allowed type
added ability to handle parent classes for PropertyNormalizer
[HttpKernel] implement reset() in DumpDataCollector
[Console][HttpKernel] Handle new SHELL_VERBOSITY env var, also configures the default logger
[MonologBridge][EventDispatcher][HttpKernel] remove deprecated features
[FORM] Prevent forms from extending itself as a parent
[DI] Throw accurate failures when accessing removed services
[Form] Display option definition from a given form type
软件详情：http://symfony.com/blog/symfony-4-0-0-beta1-released
下载地址：https://github.com/symfony/symfony/archive/v4.0.0-BETA1.zip
来自:开源中国社区
