relative recursive.php

<pre><?php

function ZipFolder($folder, $to='archive.zip', $basedir) {
	$zip = new ZipArchive();
	if ($zip->open($to, ZIPARCHIVE::CREATE)) {
		$found = array(rtrim($folder,DIRECTORY_SEPARATOR.'\/'));
		while ($path = each($found)) {
			$path = current($path);
			if (is_dir($path)) {
				$zip->addEmptyDir(substr($path, strlen($basedir)));
				foreach (scandir($path) as $subpath) {
					if ($subpath=='.'||$subpath=='..'||substr($subpath,-2)==DIRECTORY_SEPARATOR.'.'||substr($subpath,-3)==DIRECTORY_SEPARATOR.'..') continue;
					$found[] = $path.DIRECTORY_SEPARATOR.$subpath;
				}
			} else {
				$zip->addFile($path, substr($path, strlen($basedir)));
			}
		}
		if ($zip->close()) {
			header ("Content-Type: application/zip");
			header ("Content-Disposition: attachment; filename=$to");
			header ("Pragma: no-cache");
			header ("Expires: 0");
			if (!readfile($to)){
				print 'Error, there was a problem creating the zip file for the template directoty.';
			}
			if (!unlink($to)) {
				print 'Error, there was a problem deleting the zip file of the template directoty.';
			}

			return true;
		} else {
			print 'Error, could not finalise the archive.';
		}
	} else {
		print 'Error, could not create a zipfile at '.$to;
	}
	return false;
}

ZipFolder('logs');

?></pre>