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Converting int to char in PHP has a different output in C #

I have a PHPscript that I manually converted to C#. Output variable hexSaltand hexFullshould print the same, but the output variable datais different. I found that the problem remains in converting the variable intto char. How can they be different?

I tried to C#convert them and make them in several ways, such as: Char.ConvertFromUtf32(int), Convert.ToChar(int), (char)int

but they show the same incomplete conclusion C#.

WITH#

string data = "";
string saltFull = "";
string hexFull = "";

char[] saltChars = salt.ToCharArray();
for (int i = 0; i < (salt.Length / 2); i++)
{
    string hexSalt = saltChars[i * 2].ToString() + saltChars[(i * 2) + 1].ToString();
    saltFull += hexSalt;

    int hex = int.Parse(hexSalt, NumberStyles.HexNumber);
    hexFull += hex.ToString();

    char chr = (char)hex;
    data += chr;
}

Response.Write(saltFull + "<br />"); // Same output
Response.Write(hexFull + "<br />"); // Same output
Response.Write(data); // Almost the same output...

// Output of variable data, the converted int to char.
// ¸:}P/C{_ëóCZÔfPüY£Y,Ö]·î~9ªuJb®é­I[p¢?0ZÖµz²ð4

Php

$data = "";
$saltFull = "";
$hexFull = "";

for ($i = 0; $i < strlen($salt) / 2; $i++) {
    $hexSalt = $salt[$i * 2] . $salt[($i * 2) + 1];
    $saltFull .= $hexSalt;

    $hex = hexdec($hexSalt);
    $hexFull .= $hex;

    $chr = chr($hex);
    $data .= $chr;
}

echo $saltFull . "<br />"; // Same output
echo $hexFull . "<br />"; // Same output
echo $data; // Almost the same output...

// Output of variable data, the converted int to char.
// ¸ˆ:}Pž/CŽ""{_ëóCZ‹ÔfP€üY£Y,Ö]·î~9ªuJb®é­I[p¢?0ZÖµz²ð…4

Additional Information:

  • I am testing it in the same browser
  • I run both codes on the same server.
  • I can not edit PHP code
  • I can not change the salt
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2

!

byte[] chr = BitConverter.GetBytes(hex);
data += Encoding.Default.GetString(chr);

int byte[], GetString(byte[]) .

+2

.

List<char> data = new List<char>();
string saltFull = "";
string hexFull = "";

char[] saltChars = salt.ToCharArray();
for (int i = 0; i < (salt.Length / 2); i++)
{
    string hexSalt = saltChars[i * 2].ToString() + saltChars[(i * 2) + 1].ToString();
    saltFull += hexSalt;

    int hex = int.Parse(hexSalt, NumberStyles.HexNumber);
    hexFull += hex.ToString();

    char chr = Char.ConvertFromUtf32(hex);
    data.Add(chr);
}

Response.Write(saltFull + "<br />"); // Same output
Response.Write(hexFull + "<br />"); // Same output

char[] dataArray = data.ToArray();
Response.Write(dataArray, 0, dataArray.Length);

# UTF-16, . , [] char [],

+1

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