FTP file transfer

$host = 'ftp.example.org';
$usr = 'example_user';
$pwd = 'example_password';

$local_file = './example.txt';
$ftp_path = '/data/example.txt';

$conn_id = ftp_connect($host, 21) or die ("Cannot connect to host");


ftp_login($conn_id, $usr, $pwd) or die("não foi possível conectar ao FTP");

$upload = ftp_put($conn_id, $ftp_path, $local_file, FTP_ASCII);

print (!$upload) ? 'Erro no Upload' : 'Upload completo';
print "\n";

if (!function_exists('ftp_chmod')) {
   function ftp_chmod($ftp_stream, $mode, $filename){
        return ftp_site($ftp_stream, sprintf('CHMOD %o %s', $mode, $filename));
   }
}

if (ftp_chmod($conn_id, 0666, $ftp_path) !== false) {
    print $ftp_path . " chmoded successfully to 666\n";
} else {
    print "could not chmod $file\n";
}

ftp_close($conn_id);