Create PHP .zip file

.php

/**
     * @param array $contents
     * @param bool $overwrite
     * @return bool
     */
    public function create_zip($contents = array(), $overwrite = false) {

        $zip_filename = Shopware()->DocPath() . "files/documents" . "/jett_mce_support_".time().".zip";

        if (file_exists($zip_filename) && !$overwrite) { return false; }

        if ($contents) {
            $zip = new \ZipArchive();
            if($zip->open($zip_filename, $overwrite ? \ZIPARCHIVE::OVERWRITE : \ZIPARCHIVE::CREATE) !== true) {
                return false;
            }

            foreach($contents as $k => $content) {
                $zip->addFromString($k.'.csv', $content);
            }

            $zip->close();

            return ['status' => file_exists($zip_filename), 'file' => $zip_filename];
        } else {
            return ['status' => false];
        }
    }