//Some Array-functions like in PHP.
type
 ArrOfStr = array of string;
implementation
function explode(sPart, sInput: string): ArrOfStr;
begin
 while Pos(sPart, sInput) <> 0 do
 begin
  SetLength(Result, Length(Result) + 1);
  Result[Length(Result) - 1] := Copy(sInput, 0,Pos(sPart, sInput) - 1);
  Delete(sInput, 1,Pos(sPart, sInput));
 end;
 SetLength(Result, Length(Result) + 1);
 Result[Length(Result) - 1] := sInput;
end;
function implode(sPart: string; arrInp: ArrOfStr): string;
var
 i: Integer;
begin
 if Length(arrInp) <= 1 then Result := arrInp[0]
 else
 begin
  for i := 0 to Length(arrInp) - 2 do Result := Result + arrInp[i] + sPart;
  Result := Result + arrInp[Length(arrInp) - 1];
 end;
end;
procedure sort(arrInp: ArrOfStr);
var
 slTmp: TStringList;
 i: Integer;
begin
 slTmp := TStringList.Create;
 for i := 0 to Length(arrInp) - 1 do slTmp.Add(arrInp[i]);
 slTmp.Sort;
 for i := 0 to slTmp.Count - 1 do arrInp[i] := slTmp[i];
 slTmp.Free;
end;
procedure rsort(arrInp: ArrOfStr);
var
 slTmp: TStringList;
 i: Integer;
begin
 slTmp := TStringList.Create;
 for i := 0 to Length(arrInp) - 1 do slTmp.Add(arrInp[i]);
 slTmp.Sort;
 for i := 0 to slTmp.Count - 1 do arrInp[slTmp.Count - 1 - i] := slTmp[i];
 slTmp.Free;
end;