php RecursiveIterators - 备份public_html文件夹但忽略一个文件夹[重复]

Question

This question already has an answer here:

• How does RecursiveIteratorIterator work in PHP? 4 answers
• PHP List Directory structure and exclude some directories 7 answers
• How can I exclude directories using RecursiveDirectoryIterator 1 answer

I need to allow my user to backup his public_html folder, but I want to zip everything except my own "rules folder". I've found a very nice answer here (working pretty good, but the exported zip file contains my rules folder aswell). So the question is how to detect the folder and just ignore it?

$files = new RecursiveIteratorIterator(
    new RecursiveDirectoryIterator($rootPath),
    RecursiveIteratorIterator::LEAVES_ONLY
);
$exclude = array("rulles_folder");
foreach ($files as $name => $file) {
    var_dump($file -> getFilename());
    if ($file -> isDir() && !in_array($file -> getFilename(), $exclude)) {
        salta();
    } else {
        // Skip directories (they would be added automatically)
        if (!$file -> isDir()) {
            // Get real and relative path for current file
            $filePath = $file -> getRealPath();
            $relativePath = substr($filePath, strlen($rootPath) + 0);
            // Add current file to archive
            $zip -> addFile($filePath, $relativePath);
        }
    }
}
function salta () {
    ;
}

var_dump returns

string(1) "." string(2) ".." string(9) ".DS_Store" string(9) "index.php"

and so on, no Folder names at all, so when I call

if ($file -> isDir() && !in_array($file -> getFilename(), $a_excluir))

nothing happens because no folder names exists

Any suggestion please?

Thanks

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