Connected to FTP Server
Reading current directory...
Array
(
    [0] => ..
    [1] => Upload
    [2] => .
)
Changing to Upload directory...
Reading Upload directory...
Array
(
    [0] => ..
    [1] => .
    [2] => archivo.txt
)
Uploading archivo.txt to Upload directory...
Reading Upload directory...
Array
(
    [0] => ..
    [1] => .
    [2] => archivo.txt
)
Contenido de archivo.txt:
Prueba de archivo