php单例模式,该如何解决
php单例模式
最近同事说数据库链接建议用{单例模式}
php多个请求之间不是分离的吗?
请问这种模式是否有用?
------解决思路----------------------
单例模式 适合用于在对象间隐式的传递数据的场合
一般用于以数据流为主线的开发中
------解决思路----------------------
单例模式是很有用的,虽然每个用户之间的请求是独立的。但是一个请求内可能多次实例化某个对象,若该对象是属性无关的则可以使用单例模式,使用单例模式后在一次请求中同样的对象只会实例化一次。

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