static function enable($files = null, $flags = self::ALL)
{
self::$flags = is_int($files) ? $files : $flags;
if (!headers_sent()) {
$files = is_array($files) ? $files : array();
$files = array_filter(array_merge($files, get_included_files()), "is_file");
$mtime = max(array_map('filemtime', $files));
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $mtime) . ' GMT');
}
if (getenv('HTTP_X_REQUESTED_WITH') !== 'XMLHttpRequest') {
register_shutdown_function(array(__CLASS__, 'render'));
}
}
<?php
require __DIR__ . '/../src/ultimo.php';
Ultimo::enable();
?>
<html>
<head>
<link rel="stylesheet" href="example.css">
<script src="example.js"></script>
</head>
<body>
<h1>ultimo<b id="test">example</b></h1>
</body>
</html>
