PHP变量变量

本文介绍了PHP变量变量的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！ 问题描述

我想将n个课程的课程标记存储到n个变量中，例如cw1和cw2等.使用变量变量如何提供cw1，cw2等.

I want to store courseworks marks of n courseworks into n variables, such as cw1 and cw2 etc. Using variable variables how can I come with cw1, cw2 etc.

如何动态创建变量?

推荐答案

使用数组代替:

PHP中的 array 实际上是有序映射.映射是一种将值与键相关联的类型.该类型已针对多种不同用途进行了优化.它可以被视为数组，列表(向量)，哈希表(地图的实现)，字典，集合，堆栈，队列，甚至可能更多.由于 array 的值可以是其他数组，树和多维数组也可以...

An array in PHP is actually an ordered map. A map is a type that associates values to keys. This type is optimized for several different uses; it can be treated as an array, list (vector), hash table (an implementation of a map), dictionary, collection, stack, queue, and probably more. As array values can be other arrays, trees and multidimensional arrays are also possible...