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PHP输出杨辉三角

知其黑、受其白发布时间：2021-03-29 11:44:33 ，浏览量：8

1、什么是杨辉三角？

杨辉三角是二项式系数的一种写法，由于排列形状类似于三角形，被称为杨辉三角。杨辉三角以正整数构成，数字左右对称，每行由1开始逐渐变大，然后变小，回到1；杨辉三角的每一个数是它的左上方和右上方的数的和，我们可以将其理解为一个二维数组，通过两次循环来输出数据。

2、如何使用PHP来实现？我们可以自定义一个函数来实现这个功能：

3、新建一个数组用于储存通过循环输出的数组元素


    
        
            
                
                
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