function addDirectory($zip_path, $path = "", $comment = "", $recursive = true)
{
$zip_path = preg_replace('/^\\//', '', $zip_path);
$zip_path = $this->addTrailingSlash($zip_path);
$this->deleteDir($zip_path);
if ($path) {
$path = realpath($path);
$files = $this->_listTree($path, $recursive);
foreach ($files as $file) {
$entry = new ZipEntry($this);
$entry->setPath($zip_path . substr($file, strlen($path) + 1));
$entry->setLocalPath($file);
$entry->setComment($comment);
$entry->setType(is_dir($file));
$this->addEntry($entry);
$this->buildPath($entry->getPath(), is_dir($file));
}
$this->buildPath($zip_path . substr($file, strlen($path) + 1), is_dir($file));
} else {
$entry = new ZipEntry($this);
$entry->setPath($zip_path);
$entry->setComment($comment);
$entry->setType(1);
$this->addEntry($entry);
$this->buildPath($entry->getPath());
}
}
