A problem writting to a file

Well... I am making a class that realizes the efects of a logging system, in order to be able to debug my scripts that works with cookies, but I foun a problem. I don't know if its a windows php version problem, but when I try to insert the newline caracter: '\' like this: fputs($this->fileID,'\n'); it writes "\n" instead of creating a new line... the ugly result is something like this: Beginning the logging at:\nPrueba de insertar texto sin abrir el archivo a mano.\nA ver si lo inserta con un retorno de carro\n Beginning the logging at:\nPrueba de insertar texto sin abrir el archivo a mano.\nA ver si lo inserta con un retorno de carro\n Beginning the logging at:\nPrueba de insertar texto sin abrir el archivo a mano.\nA ver si lo inserta con un retorno de carro\n Beginning the logging at:\n Anyone had this problem?