zipStream

require_once 'classes/CreateXlsx.php';

$xlsx = new CreateXlsx();

// the stream mode can also be enabled in config/phpxlsxconfig.ini
CreateXlsx::$streamMode = true;

$content = array(
    'text' => 'Lorem ipsum dolor sit amet',
);
$xlsx->addCell($content, 'A1');

$xlsx->saveXlsx();

Release notes

phpxlsx 1.0:
- new method.