PHP 将 ASCII 码转为字符串，字符串转换 ASCII 码

知其黑、受其白发布时间：2022-07-22 14:59:24 ，浏览量：4

阅读目录

场景
- PHP 转换字符串为 ascii 码方法封装
- PHP 将 ASCII 码转为字符串方法封装
基础知识
- php chr() 可以将指定的 ASCII 码转为字符串
- php ord() 可以返回指定字符串中第一个字符的 ASCII 值

场景

在处理数据时，为了保证数据的完整性需要将其中的部份转成 ascii 码。也可以用于明文数据的安全处理方式之一。

PHP 转换字符串为 ascii 码方法封装

注意：

1、浏览器会自动将 ascii 码转为实体的字符

2、在浏览器查看上面输出的结果时，要用查看源码的方式

博主用的cli环境打印输出。


    
        
        
        
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