一个可以不实例化 一个需要，肯定区别不止这一点。是内存什么的吗？具体简单说说！
What is the difference between static and non-static? -PHP Chinese website Q&A-What is the difference between static and non-static? -PHP Chinese website Q&A
Take a look around and learn.
静态方法和静态变量创建后始终使用同一块内存，而使用实例的方式会创建多个内存。
通俗点.静态方法,就是死人,非静态还活着...所以静态也是不自销毁的
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
What is the difference between static and non-static? -PHP Chinese website Q&A-What is the difference between static and non-static? -PHP Chinese website Q&A
Take a look around and learn.
静态方法和静态变量创建后始终使用同一块内存，而使用实例的方式会创建多个内存。
通俗点.静态方法,就是死人,非静态还活着...所以静态也是不自销毁的