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PHP字符串函数 number_format(以千位分隔符方式格式化一个数字)

知其黑、受其白发布时间：2022-06-01 19:36:08 ，浏览量：4

阅读目录

一、介绍
- 1 设置一个参数，返回结果不保留小数
- 2 设置两个参数，返回结果保留2位小数
- 3 设置四个参数，返回结果保留2位小数，并设置小数点和千分位的替换符

一、介绍

在PHP中，字符串函数 number_format() 函数通过千位分组来格式化数字。

函数语法：

number_format ( float $number [, int $decimals = 0 ] )


    
        
            
                
                
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