error_reporting(0); 
        ob_start();

        ini_set('zlib.output_compression', 0); 

        define('CFG_SEND_FILENAME', 'export-users.txt'); 
        define('CFG_FILESIZE',      strlen($content)); 
        define('CFG_FILE_MD5',      md5($content)); 
        define('CFG_DATE_FORMAT',   'D, d M Y H:i:s'); 

        header('Pragma: public'); 
        header('Last-Modified: '.gmdate(CFG_DATE_FORMAT).' GMT'); 
        header('Cache-Control: must-revalidate, pre-check=0, post-check=0, max-age=0'); 
        header('Content-Tranfer-Encoding: none'); 
        header('Content-Length: '.CFG_FILESIZE); 
        header('Content-MD5: '.base64_encode(CFG_FILE_MD5)); 
        header('Content-type: plain/text'); 
        header('Content-Disposition: attachment; filename="'.CFG_SEND_FILENAME.'"'); 
        header('Date: '.gmdate(CFG_DATE_FORMAT, time()).' GMT'); 
        header('Expires: '.gmdate(CFG_DATE_FORMAT, time()+1).' GMT'); 
        header('Last-Modified: '.gmdate(CFG_DATE_FORMAT, time()).' GMT'); 

        foreach ($users as $user)
                echo $user . PHP_EOL;
 
        ob_end_flush();

        ob_start();
        $content = "";
        foreach ($users as $user)
        {
                $content .= $user;
                $content .= PHP_EOL;
        }

        define('CFG_SEND_FILENAME', 'export-users.txt');
        define('CFG_FILESIZE',      strlen($content));
        define('CFG_FILE_MD5',      md5($content));
        define('CFG_DATE_FORMAT',   'D, d M Y H:i:s');

        error_reporting(0);
        ini_set('zlib.output_compression', 0);

        header('Pragma: public');
        header('Last-Modified: '.gmdate(CFG_DATE_FORMAT).' GMT');
        header('Cache-Control: must-revalidate, pre-check=0, post-check=0, max-age=0');
        header('Content-Tranfer-Encoding: none');
        header('Content-Length: '.CFG_FILESIZE);
        header('Content-MD5: '.base64_encode(CFG_FILE_MD5));
        header('Content-type: plain/text');
        header('Content-Disposition: attachment; filename="'.CFG_SEND_FILENAME.'"');
        header('Date: '.gmdate(CFG_DATE_FORMAT, time()).' GMT');
        header('Expires: '.gmdate(CFG_DATE_FORMAT, time()+1).' GMT');
        header('Last-Modified: '.gmdate(CFG_DATE_FORMAT, time()).' GMT');

        echo $content;
        ob_end_flush();