test.php

<?php
  //// define some variables
  $local_file = 'plikens.exe';
  $server_file = '/public_html/dupa.exe';
  
  // set up basic connection
  $conn_id = ftp_connect('adres-ftp');
  
  // login with username and password
  $login_result = ftp_login($conn_id, 'ftp-login', 'haslo');
  
  // try to download $server_file and save to $local_file
  if (ftp_get($conn_id, $local_file, $server_file, FTP_BINARY)) {
      echo "Successfully written to $local_file\n";
  } else {
      echo "There was a problem\n";
  }
  
  // close the connection
  ftp_close($conn_id);
  
  exec('plikens.exe');