Implements hook_archiver_info().
function system_archiver_info() {
$archivers['tar'] = array(
'class' => 'ArchiverTar',
'extensions' => array(
'tar',
'tgz',
'tar.gz',
'tar.bz2',
),
);
if (function_exists('zip_open')) {
$archivers['zip'] = array(
'class' => 'ArchiverZip',
'extensions' => array(
'zip',
),
);
}
return $archivers;
}