问文件结构问题，来自php的ftp。

EN

- sub-1    
- sub-2
- sub-3
- sub-4 
    - sub of 4 - 1
    - sub of 4 - 2

function copyr($source, $dest, $conId) {
    $sourceName = explode('/',$dest); 
    $sourceName = $sourceName[count($sourceName)-1];

    // copy file
    if (is_file($source)) {
        $upLink = ftp_fput($conId, $sourceName, fopen($source, 'r'), FTP_ASCII);
        return copy($source, $dest);
    }
    // Make destination directory
    if (!is_dir($dest)) {
        mkdir($dest);
        ftp_mkdir($conId, $sourceName);
        ftp_chdir($conId, $sourceName);
    } else if(is_dir($dest)){ // go to one that has been made.
        ftp_chdir($conId, $sourceName);
    }
    // Loop the folder
    $dir = dir($source);
    while (false !== $entry = $dir->read()) {
        // Skip pointers
        if ($entry == '.' || $entry == '..') {
            continue;
        }
        // Copy sub directories
        if ($dest !== "$source/$entry") {
            copyr("$source/$entry", "$dest/$entry", $conId, $entry);
        }
    }
    // Clean up
    $dir->close();
    return true;
}
$source = 'images';
$dest = 'NewImages';
if(copyr($source, $dest, $conId)){
    echo "It's finished .... Good.";
} else {
    echo "Failed ... ";
}
ftp_close($conId);