Gaufrette\Adapter\Ftp::listDirectory PHP Method

    public function listDirectory($directory = '')
    {
        $this->ensureDirectoryExists($this->directory, $this->create);
        $directory = preg_replace('/^[\\/]*([^\\/].*)$/', '/$1', $directory);
        $items = $this->parseRawlist(ftp_rawlist($this->getConnection(), '-al ' . $this->directory . $directory) ?: array());
        $fileData = $dirs = array();
        foreach ($items as $itemData) {
            if ('..' === $itemData['name'] || '.' === $itemData['name']) {
                continue;
            }
            $item = array('name' => $itemData['name'], 'path' => trim(($directory ? $directory . '/' : '') . $itemData['name'], '/'), 'time' => $itemData['time'], 'size' => $itemData['size']);
            if ('-' === substr($itemData['perms'], 0, 1)) {
                $fileData[$item['path']] = $item;
            } elseif ('d' === substr($itemData['perms'], 0, 1)) {
                $dirs[] = $item['path'];
            }
        }
        $this->fileData = array_merge($fileData, $this->fileData);
        return array('keys' => array_keys($fileData), 'dirs' => $dirs);
    }