Elgg-Lorea-Hydra/views/default/forms/admin/site/update_advanced.php

<?php
/**
 * The advanced site settings form
 */

echo elgg_view('forms/admin/site/advanced/system', $vars);
echo elgg_view('forms/admin/site/advanced/caching', $vars);
echo elgg_view('forms/admin/site/advanced/content_access', $vars);
echo elgg_view('forms/admin/site/advanced/site_access', $vars);
echo elgg_view('forms/admin/site/advanced/security', $vars);
echo elgg_view('forms/admin/site/advanced/debugging', $vars);

// @todo What is this for?
// and if it's important can we call it something better than "go?"
$go = elgg_view('input/hidden', [
	'name' => 'settings', 
	'value' => 'go'
]);

$save = elgg_view('input/submit', ['value' => elgg_echo("save")]);
?>

<div class="elgg-foot">
	<?php
	echo $go;
	echo $save;
	?>
</div>