(100%结贴)求把这几行代码翻译成PHP的。解决方案

const
 
       XorKey:array[0..7] of Byte=($B2,$09,$AA,$55,$93,$6D,$84,$47); //字符串加密用
 
function Dec(Str:String):String;//字符解密函數
var
i,j:Integer;
begin
Result:='';
j:=0;
for i:=1 to Length(Str) div 2 do
    begin
      Result:=Result+Char(StrToInt('$'+Copy(Str,i*2-1,2)) xor XorKey[j]);
      j:=(j+1) mod 8;
    end;
end;

$XorKey = array(0xB2,0x09,0xAA,0x55,0x93,0x6D,0x84,0x47);

echo $s = enc('Edit2', $XorKey), PHP_EOL;

echo dec($s, $XorKey);

function Enc($Str, $XorKey) { //:String;//字符加密函數   這是用的一個異或加密
  $Result = '';
  $j = 0;
  for($i=0; $i    $Result .= sprintf('%02X', ord($Str{$i}) ^ $XorKey[$j]);
    $j = ($j+1) % 8;
  }
  return $Result;
}

function Dec($str, $XorKey){
  $result = "";
  for($i=0, $j=0; $i    $result .= chr(hexdec($str{$i} . $str{$i+1}) ^ $XorKey[$j]);
    $j = ++$j % 8;
  }
  return $result;
}

$XorKey = array(0xB2,0x09,0xAA,0x55,0x93,0x6D,0x84,0x47);
function Dec($str){
    global $XorKey;
    $result = "";
    $j = 0;
    for ($i = 0; $i < strlen($str)/2; $i++)
    {
        $result = $result . chr(hexdec($str[$i*2] . $str[$i*2+1]) ^ $XorKey[$j]);
        $j = ++$j % 8;
    }
    return $result;
}


function Enc($str){
	global $XorKey;
	$result = "";
	$j = 0;
	for ($i = 0; $i < strlen($str); $i++)
	{
		$result = $result. dechex(ord($str[$i])^$XorKey[$j]);
		$j = ++$j % 8;
	}
	return $result;
}
echo Enc("Edit2")."\n";
echo Dec("F76DC321A1");