<?php
function ftp_mksubdirs($ftpcon, $ftpbasedir, $ftpath)
{
    @ftp_chdir($ftpcon, $ftpbasedir); // /var/www/uploads
    $parts = explode('/', $ftpath); // 2013/06/11/username
    foreach ($parts as $part) {
        if ([email protected]_chdir($ftpcon, $part)) {
            ftp_mkdir($ftpcon, $part);
            ftp_chdir($ftpcon
 
, $part);
            //設定許可權
            //ftp_chmod($ftpcon, 0777, $part);
        }
    }
}

// usage
$path_of_storage = '/xxx/ftp_data/data';
$newftpdir = '/xxx/ftp_data/data/2018/username';

$ftpserver = '52.xx.xx.xx';
$login = 'xxx';
$pass = 'xxx';

$conn_id = ftp_connect($ftpserver);
ftp_login($conn_id, $login
 
, $pass);

$conn_id = ftp_connect($ftpserver);
ftp_login($conn_id, $login, $pass);

//列印ftp預設目錄
print_r(ftp_pwd($conn_id));

// =================================
//建立父目錄
// ftp_mksubdirs($conn_id, $path_of_storage, $newftpdir);
// ftp_close($conn_id);
// =================================

// =================================
$file
 
 = 'pdo.php';
$new_file = 'bbb.txt'; //新的檔名

// 上傳一個開啟的檔案，注意區分
// $fp = fopen($file, 'r');
// =================================
//非阻塞上傳檔案
$ret = ftp_nb_put($conn_id, $new_file, $file, FTP_BINARY);

//非阻塞上傳開啟的檔案
// $ret = ftp_nb_fput($conn_id, $new_file, $fp, FTP_BINARY);
// $ret = ftp_nb_fput($conn_id, $file, $fp, FTP_ASCII);

while ($ret == FTP_MOREDATA) {
    // 任何其他需要做的操作
    echo ".==================";
    // 繼續上傳...
    $ret = ftp_nb_continue($conn_id);
}
if ($ret != FTP_FINISHED) {
    echo "There was an error uploading the file...";
    exit(1);
}
ftp_close($conn_id);
//如果開啟過檔案，一定要記得關閉
// fclose($fp);
//=================================