ziping

<?
// increase script timeout value
ini_set("max_execution_time",
300);
// create object
$zip = new ZipArchive();
// open archive
if ($zip->open("my-archive.zip",
ZIPARCHIVE::CREATE) !== TRUE) {
die ("Could not open archive");
}
// initialize an iterator
// pass it the directory to be
processed
$iterator = new
RecursiveIteratorIterator(new
RecursiveDirectoryIterator
("app/"));
// iterate over the directory
// add each file found to the
archive
foreach ($iterator as $key=>$
value) {
$zip->addFile(realpath($key), $
key) or die ("ERROR: Could not
add file: $key");
}
// close and save archive
$zip->close();
echo "Archive created
successfully.";
?>