PHP Decode

goto oZhka;
SnT_V: $enc = bin2hex($enc);
goto CBMVB;
oZhka: function xor_string($string, $key) {
    for ($i = 0; $i < strlen($string); $i++) {
        $string[$i] = $string[$i] ^ $key[$i % strlen($key)];
    }
    return $string;
}
goto T0vhE;
VDbJj: $key = "\127\150\x79\x5f\x77\x6f\x75\x6c\x64\137\x61\156\171\x6f\x6e\x65\x5f\165\x73\145\137\143\157\156\163\x74\141\x6e\x74\x5f\x6b\x65\171";
goto YI3VM;
T0vhE: $input = readline("\x45\156\x74\x65\x72\40\x54\150\x65\x20\106\x6c\141\x67\x20\x3a\40");
goto VDbJj;
YI3VM: $enc = xor_string($input, $key);
goto SnT_V;
Jjryf: if ($enc == $encrypted_flag) {
    echo "\x43\x6f\x72\162\145\143\164\x20\x46\154\141\x67\x20\x3a\104\12";
} else {
    echo "\x57\x72\x6f\156\147\x20\111\156\160\x75\x74\56\12";
} goto XJHJU;
CBMVB: $encrypted_flag = "\x31\x34\x33\x31\x33\x62\x31\x61\x32\x35\x32\x37\x32\x30\x32\x65\x31\x66\x31\x32\x35\x35\x31\x37\x31\x62\x35\x63\x33\x31\x33\x30\x32\x63\x34\x34\x31\x64\x30\x32\x30\x30\x33\x37\x30\x37\x35\x66\x30\x30\x32\x62\x32\x61\x35\x64\x30\x64\x30\x30\x33\x63\x35\x31\x30\x61\x30\x38\x35\x63\x32\x36\x31\x64\x34\x33\x30\x62\x32\x61\x35\x64\x30\x30\x36\x63\x35\x35\x31\x33";
goto Jjryf;
XJHJU: