Download a directory from an FTP Server

ftp_download.php

<?php
// ftp_sync - copy directory and file structure
// main function witch is called recursivly
function ftp_sync($dir, $conn_id) {
	if ($dir !== '.') {
		if (ftp_chdir($conn_id, $dir) === FALSE) {
			echo 'Change dir failed: ' . $dir . PHP_EOL;
			return;
		}
		if (!(is_dir($dir))) {
			mkdir($dir);
		}
		chdir($dir);
	}
	$contents = ftp_nlist($conn_id, '.');
	foreach ($contents as $file) {
		if ($file == '.' || $file == '..') {
			continue;
		}
		if (@ftp_chdir($conn_id, $file)) {
			ftp_chdir($conn_id, "..");
			ftp_sync($file, $conn_id);
		} else {
			ftp_get($conn_id, $file, $file, FTP_BINARY);
		}
	}
	ftp_chdir($conn_id, '..');
	chdir('..');
}
// your settings
$ftp_server    = 'server';
$user          = 'user';
$password      = 'password';
$document_root = 'backup';
$sync_path     = '/';


$run = 0;
// calculate if time is in between
$current_time = date("G:i");
$start = "6:59";
$stop = "1:01";
$date1 = DateTime::createFromFormat('G:i', $current_time);
$date2 = DateTime::createFromFormat('G:i', $start);
$date3 = DateTime::createFromFormat('G:i', $stop);
if ($date1 > $date2 && $date1 < $date3)
{
  $run = 0;
  echo 'Time is between ' . $start . ' and ' . $stop;
} else {
  $run = 1;
  echo 'Time is not between ' . $start . ' and ' . $stop . ' Taking backup now .......';
}

// start copying
if ($run == 1) {
  echo '<pre>' . PHP_EOL;
  echo 'start copying....' . PHP_EOL;
  $conn_id = ftp_connect($ftp_server);
  if ($conn_id) {
  	$login_result = ftp_login($conn_id, $user, $password);
  	if ($login_result) {
      chdir('backup');
      $day = date("l d-m-Y");
      $time = date("G:i");
      mkdir($day);
      chdir($day);
      mkdir($time);
      chdir($time);
  		ftp_chdir($conn_id, $document_root);
  		ftp_sync($sync_path, $conn_id);
  		ftp_close($conn_id);
  	} else {
  		echo 'login to server failed!' . PHP_EOL;
  	}
  } else {
  	echo 'connection to server failed!';
  }
  echo 'done.' . PHP_EOL;
}
?>