ftp file transfer from one remote server to another

sendtoftp.php

<?php
$file =  'filetosend.zip';
$remote_file = 'destinationfilename.zip';
$ftp_server = '127.0.0.1';
$ftp_user_name = 'ftp@domain.com';
$ftp_user_pass = 'ftpPASSWORD';

$conn_id = ftp_connect($ftp_server);

$login_result = ftp_login($conn_id, $ftp_user_name, $ftp_user_pass);

if (ftp_put($conn_id, $remote_file, $file, FTP_BINARY)) {
 echo "uploaded this file: $file\n";
} else {
 echo "Error uploading $file\n";
}

ftp_close($conn_id);
?>