Language Highlights
- Object-oriented Programming
- 面向对象编程: 类，抽象类，接口，继承，构造函数，克隆和异常
- Traits
- Functional Programming
- 匿名函数
- Closures
- Callables
call_user_func_array()
- Meta Programming
- magic method
- reflection
- 重载
- Standard PHP Library
- PHP 标准库 (SPL)
Dependency Management
- Composer and Packagist