function write_to_zip($backupfilename, $dumpfile, $volume)
{
require_once TIPASK_ROOT . '/lib/zip.class.php';
$zip = new zip();
if (!$zip->chk_zip) {
$this->message('??§á???gzopen??');
}
$zipfilename = $backupfilename . '.zip';
$unlinks = '';
for ($i = 1; $i <= $volume; $i++) {
$filename = sprintf($dumpfile, $i);
$fp = fopen($filename, "r");
$content = @fread($fp, filesize($filename));
fclose($fp);
$zip->add_File($content, basename($filename));
$unlinks .= "@unlink('{$filename}');";
}
$fp = fopen($zipfilename, 'w');
if (@fwrite($fp, $zip->get_file()) !== FALSE) {
eval($unlinks);
}
unset($sqldump, $zip, $content);
}
