PHPZip\Zip\File\Zip::sendZip PHP Method

    public function sendZip($fileName = null, $contentType = self::CONTENT_TYPE, $utf8FileName = null, $inline = false) {
        if (!$this->isFinalized) {
            $this->finalize();
        }

        if ($this->buildResponseHeader($fileName, $contentType, $utf8FileName, $inline)) {
            return true;
        }
        return false;
    }

	private static function _createAndSendZipArchive(ZipArchiveFile $zip, $fileDir = './'){

		// Archive comments don't really support utf-8. Some tools detect and read it though.
		$zip->setComment("Example Zip file.\nАрхив Комментарий\nCreated on " . date('l jS \of F Y h:i:s A'));

		// A bit of russian (I hope), to test UTF-8 file names.
		$zip->addFile("Привет мир!", "Кириллица имя файла.txt");
		$zip->addFile("Привет мир!", "Привет мир. С комментарий к файлу.txt", 0, "Кириллица файл комментарий");
		$zip->addFile("Hello World!", "hello.txt");

		@$handle = opendir($fileDir);
		if ($handle) {
			while (false !== ($file = readdir($handle))) {
				if (strpos($file, ".php") !== false) {
					$pathData = pathinfo($fileDir . $file);
					$fileName = $pathData['filename'];

					$zip->addFile(file_get_contents($fileDir . $file), $file, filectime($fileDir . $file), null, true, ZipUtils::getFileExtAttr($file));
				}
			}
		}

		// Add a directory, first recursively, then the same directory, but without recursion.
		// Naturally this requires you to change the path to ../test to point to a directory of your own.
		// $zip->addDirectoryContent("testData/test", "recursiveDir/test");
		// $zip->addDirectoryContent("testData/test", "recursiveDir/testFlat", FALSE);

		//$zip->sendZip("ZipExample1.zip");
		//$zip->sendZip("ZipExample1_€2,000.zip");
		$zip->sendZip("ZipExample1_€2,000.zip", "application/zip", "ZipExample1_€2,000_utf8.zip");

	}