[PHP] Is it a mysql AND/OR php BUG???

[Augusto Cesar Castoldi]

Please, look this little script, and what he prints.
Am I doing something wrong or I "found" a bug??

thanks a lot.

<?
function encode($encode_str, $pass_str)
{
  $encode_str = addslashes($encode_str);
  $sql = "select encode(\"$encode_str\",
\"$pass_str\")";
  echo htmlspecialchars($sql)."<br>";
  $data = mysql_query($sql) or die ("Erro crypt 1.");
  $row = mysql_fetch_row($data);
  return $row[0];
}
function decode($decode_str, $pass_str)
{
  $encode_str = addslashes($encode_str);
  $sql="select decode(\"$decode_str\",
\"$pass_str\")";
  echo htmlspecialchars($sql)."<br>";
  $data = mysql_query($sql) or die ("Erro crypt 2.");
  $row = mysql_fetch_row($data);
  return $row[0];
}


//$string = "as\"df asd <>>asd > asd  reaais R\$200.00
fa''< < > >  \"\" \$sdljh;"; // WORK
  $string = "as\"df asd <>> asd > asd  reaais
R\$200.00 fa''< < > >  \"\" \$sdljh"; // DON'T WORK

$key = "12345679";
echo "<br>1 -
string=<b>".htmlspecialchars($string)."</b><br>chave=$key<br>";
$string = encode($string, $key);
echo "<br>2 -
string_encoded=<b>".htmlspecialchars($string)."</b><br>chave=$key<br>";
$string = decode($string, $key);
echo "<br>3 -
string_decoded=<b>".htmlspecialchars($string)."</b><br>chave=$key<br>";
?>

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