Who can help decrypt a file? Thank you.

Who can help decrypt a file? Thank you! the file name is Service. php.
We have found many methods that have not been decrypted successfully. we are here to seek help. Thank you.

$ O = "encrypt/EODiNXAfhmdHRQaHVjA38DJgI1A2EMEANQVWhoLgNqTgM/awM2AhMDF1J0YnVUYn8QwAhTgAABBCBaOjogc3VyYiA4I Authorization + GZAcUC4B3zQXVoag0TAv9cIAHnAxZTaAL/4/Q5NQHFAtZCf3c5TzyyAzUCJAMgC + RED 3BiafkpD08/7aj0a4edk1rikivixrikxp4kympzck/release/+ w4n/release + EBsVNTDixVYimABY8a + j8BBBEFxSNXcGMIDz/release + Release Signature = "; eval (base64_decode (" signature Bytes Bytes Bytes Activities = "); return;?>

Reply to discussion (solution)

 fhtml(trim($_POST['Name'])));$PassWord=iconv_($db->fhtml($_POST['PassWord']));$RoomId=iconv_($db->fhtml($_POST['RoomId']));$UserSex=$_POST['UserSex']=='true'?'0':'1';Login($Name,$PassWord,$UserSex,$RoomId);break;case "ListOnLineUser":ListOnLineUser($db->fhtml($_GET['RoomId']));break;case "KeepLine":$ChatId=$db->fhtml($_GET['ChatId']);$UsersOrder=$db->fhtml($_GET['UsersOrder']);KeepLine($ChatId,$UsersOrder);break;case "SetColor":$ChatId=$db->fhtml($_GET['ChatId']);$Color=$db->fhtml($_GET['Color']);SetColor($ChatId,$Color);break;case "GetColor":$ChatId=$db->fhtml($_GET['ChatId']);GetColor($ChatId);break;case "SendMSG":$MsgId=$db->fhtml($_POST['MsgId']);$FontWeight=iconv_($db->fhtml($_POST['FontWeight']));$IsPublic=$db->fhtml($_POST['IsPublic']);$FromChatId=$db->fhtml($_POST['FromChatId']);$ToChatId=$db->fhtml($_POST['ToChatId']);$ExpWord=iconv_($db->fhtml($_POST['ExpWord']));$Content=iconv_($db->fhtml(trim($_POST['Content'])));SendMSG($MsgId,$FontWeight,$IsPublic,$FromChatId,$ToChatId,$ExpWord,$Content);break;case "GetMSG":$ChatId=$db->fhtml($_GET['ChatId']);$MsgId=$db->fhtml($_GET['MsgId']);GetMSG($ChatId,$MsgId);break;case "EditName":$Name=$db->fhtml($_POST['Name']);EditName(trim($Name));break;case "RegId":$Name=$db->fhtml($_POST['UserName']);$Pwd=$db->fhtml($_POST['Pwd']);$Sex=$db->fhtml($_POST['UserSex']);$Age=$db->fhtml($_POST['Age']);if($db->sqlnum($db->query("select * from chat_user where UserName='$Name'"))>0)exit("《script》alert('?????????????');《script》");RegId($Name,$Pwd,$Sex,$Age);exit("《script》alert('??????');《script》");break;case "ExitChat":ExitChat();break;}?>

Thank you. Try again first. can you tell me the method or software for cracking.

 fhtml(trim($_POST['Name'])));$PassWord=iconv_($db->fhtml($_POST['PassWord']));$RoomId=iconv_($db->fhtml($_POST['RoomId']));$UserSex=$_POST['UserSex']=='true'?'0':'1';Login($Name,$PassWord,$UserSex,$RoomId);break;case "ListOnLineUser":ListOnLineUser($db->fhtml($_GET['RoomId']));break;case "KeepLine":$ChatId=$db->fhtml($_GET['ChatId']);$UsersOrder=$db->fhtml($_GET['UsersOrder']);KeepLine($ChatId,$UsersOrder);break;case "SetColor":$ChatId=$db->fhtml($_GET['ChatId']);$Color=$db->fhtml($_GET['Color']);SetColor($ChatId,$Color);break;case "GetColor":$ChatId=$db->fhtml($_GET['ChatId']);GetColor($ChatId);break;case "SendMSG":$MsgId=$db->fhtml($_POST['MsgId']);$FontWeight=iconv_($db->fhtml($_POST['FontWeight']));$IsPublic=$db->fhtml($_POST['IsPublic']);$FromChatId=$db->fhtml($_POST['FromChatId']);$ToChatId=$db->fhtml($_POST['ToChatId']);$ExpWord=iconv_($db->fhtml($_POST['ExpWord']));$Content=iconv_($db->fhtml(trim($_POST['Content'])));SendMSG($MsgId,$FontWeight,$IsPublic,$FromChatId,$ToChatId,$ExpWord,$Content);break;case "GetMSG":$ChatId=$db->fhtml($_GET['ChatId']);$MsgId=$db->fhtml($_GET['MsgId']);GetMSG($ChatId,$MsgId);break;case "EditName":$Name=$db->fhtml($_POST['Name']);EditName(trim($Name));break;case "RegId":$Name=$db->fhtml($_POST['UserName']);$Pwd=$db->fhtml($_POST['Pwd']);$Sex=$db->fhtml($_POST['UserSex']);$Age=$db->fhtml($_POST['Age']);if($db->sqlnum($db->query("select * from chat_user where UserName='$Name'"))>0)exit("《script》alert('?????????????');《script》");RegId($Name,$Pwd,$Sex,$Age);exit("《script》alert('??????');《script》");break;case "ExitChat":ExitChat();break;}?>