Dynamically creating Zip with PHP

$zip = new ZipArchive;
if ($zip->open('my.zip') === TRUE) {
$zip->addFile('/path/to/index.txt', 'newname.txt');
$zip->addFromString(basename($path),  file_get_contents($path));
$zip->close();

header('Content-type: application/zip');
readfile('test.zip');
} else {
echo 'failed';
}

Динамическое создание Zip – архива