问RecursiveIteratorIterator -格式化数组

EN

$resutl = RecursiveDirectoryIterator(new DirectoryIterator('/path/to/dir'));

function RecursiveDirectoryIterator(DirectoryIterator $path)
{
    $data = array();
    foreach ($path as $node){
        if ($node->isDir() && !$node->isDot()){
            $data[$node->getFilename()] = RecursiveDirectoryIterator(new DirectoryIterator($node->getPathname()));
        }
        elseif ($node->isFile()){
            $data[] = $node->getFilename();
        }
    }
    return $data;
}

<?
$folder = ".";
$Directory = new RecursiveDirectoryIterator($base);
$Iterator = new RecursiveIteratorIterator($Directory);
$SortedIterator = new SortedIterator($Iterator);

foreach($SortedIterator as $name){
    //   echo $name."\n";
   $path = explode(DIRECTORY_SEPARATOR, $name);
   $file = array_pop($path);
   // it's a directory
   if ($file == ".")
   {
      $file = array_pop($path) . DIRECTORY_SEPARATOR;
   }
   if ($file === "..")
   {
     continue;
   }

   $pathcount = count($path);
   echo str_repeat("    ", $pathcount).$file."\n";
}

# Taken from example: http://stackoverflow.com/questions/2930405/sort-directory-listing-using-recursivedirectoryiterator
class SortedIterator extends SplHeap
{
    public function __construct(Iterator $iterator)
    {
        foreach ($iterator as $item) {
            $this->insert($item);
        }
    }
    public function compare($b,$a)
    {
        return strcmp($a->getRealpath(), $b->getRealpath());
    }
}

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