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!01字符长串转换成16进制字符串的函数

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Release: 2016-06-13 12:20:37
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求助求助!01字符长串转换成16进制字符串的函数
如题,php里面有没有这个函数.....


------解决思路----------------------
01字符长串 就是二进制字符串了, 用 bindec 可转换成十进制数
10 进制数可用 dechex 转换成 16 进制字符串

echo dechex(bindec('011101')); //1d

不过要注意有效数位的长度
------解决思路----------------------
二进制转16进制,
可先转为10进制,然后在转为16进制。

<br />$s = '01';<br />echo dechex(bindec($s)); // 1<br />
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