详解php中的可变变量与可变函数的用法

知其黑、受其白发布时间：2021-03-19 11:00:02 ，浏览量：0

在php中一个自定义变量的值可以做为别一个变量的名或一个函数来使用，我们称之为可变变量或可变函数，比如php代码中出现的带个多个$符号(比如 $$a)的变量就是可变变量！

php 可变变量的用法

可变变量：利用一个普通的变量通过声明来设置另一个变量的变量名。

实例 1


    
        
        
        
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