return true;
IArchive archive = null;
if (PHPToolkitUtil.PHAR_EXTENSTION.equals(extension)) {
archive = new PharArchiveFile(pharFile);
} else if (PHPToolkitUtil.ZIP_EXTENSTION.equals(extension)) {
archive = new ZipArchiveFile(pharFile);
} else if (PHPToolkitUtil.TAR_EXTENSTION.equals(extension)
|| PHPToolkitUtil.GZ_EXTENSTION.equals(extension)
|| PHPToolkitUtil.BZ2_EXTENSTION.equals(extension)) {
archive = new TarArchiveFile(pharFile);