自己查一下就行了,感觉你也就是懒。我也不懂PHP,但是我查了一下: 1.$key是一个变量,php定义变量不用限定类型。 2.后面的 "ww"."w.jis"."higo"."u.c"."om";是将几个字符串拼接起来,""中间是字符串,.是将字符串拼接。 3.md5是用md5加密算法加密。 4. str
自己查一下就行了,感觉你也就是懒。我也不懂PHP,但是我查了一下:
1.$key是一个变量,php定义变量不用限定类型。
2.后面的"ww"."w.jis"."higo"."u.c"."om";是将几个字符串拼接起来,""中间是字符串,.是将字符串拼接。
3.md5是用md5加密算法加密。
4.strlen是返回字符串长度的函数。
5.%是取余运算。
6.下面那个{}类似索引。
7.abs是返回绝对值。
最后那个crc32是什么意思自己去查吧。。。
多学习一下基础,别总是伸手要代码,对你的发展不好。

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