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将二进制数据转换成十六进制,具体是做什么用的,该如何处理

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Release： 2016-06-13 12:16:00
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将二进制数据转换成十六进制,具体是做什么用的
字符串进制转换:
bin2hex()  将二进制数据转换成十六进制表示;
hex2bin() 转换十六进制字符串为二进制字符串;

等等很多进制转换的函数,请问这些函数具体是干什么用的,做项目都什么地方需要用到进制转换?



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本帖最后由 PhpNewnew 于 2015-03-08 09:42:31 编辑 自己的加密方式  算法需要 编码   加密协议需求  等 
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