php-help you God, a little C # to PHP

Php

Because of the work required, will be the following C # with PHP implementation, ask you big God can help write, I got two days did not succeed, the book to time side hate less.

public static string EncryptData (String ClientID, String Clientflag, String Clientkey, String clientconst)

{
Random rd = new random ();
int N1 = Rd. Next (1000, 10000);
int N2 = Rd. Next (1000, 10000);
}
String str = N2 +clientflag +clientkey +clientconst + N1;
byte[] bytestr = System.Text.Encoding.UTF8.GetBytes (str);
String strMd5 = Bitconverter.tostring (Md5.computehash (BYTESTR)). Replace ("-", String. Empty). ToLower ();
return N1 + strmd5.substring (7, +) + N2;
}

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