дамп. резервное копирование

<?php
$name = 'dump_' . date('dmYHis', time()) . '.zip';
$dir = realpath('./');
$zip=new ZipArchive;
$res = $zip->open($name, ZipArchive::CREATE);
if ($res === TRUE) {
 
$fileSPLObjects = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($dir), RecursiveIteratorIterator::CHILD_FIRST);
foreach( $fileSPLObjects as $fullFileName => $fileSPLObject ) {
if ($fileSPLObject->isDir()) {
$zip->addEmptyDir($fullFileName);
} elseif ($fileSPLObject->isFile()) {
$zip->addFile($fullFileName);
}
}
$zip->close();
}
?>