nextcloud-server/core/templates/layout.base.php

<!DOCTYPE html>
<html>
	<head>
		<title>ownCloud</title>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
		<link rel="shortcut icon" href="<?php echo image_path('', 'favicon.png'); ?>" /><link rel="apple-touch-icon-precomposed" href="<?php echo image_path('', 'favicon-touch.png'); ?>" />
		<?php foreach ($_['cssfiles'] as $cssfile): ?>
			<link rel="stylesheet" href="<?php echo $cssfile; ?>" type="text/css" media="screen" />
		<?php endforeach; ?>
		<script type="text/javascript">
			var oc_webroot = '<?php echo OC::$WEBROOT; ?>';
			var oc_appswebroots = <?php echo $_['apps_paths'] ?>;
		</script>
		<?php foreach ($_['jsfiles'] as $jsfile): ?>
			<script type="text/javascript" src="<?php echo $jsfile; ?>"></script>
		<?php endforeach; ?>
		<?php foreach ($_['headers'] as $header): ?>
			<?php
				echo '<'.$header['tag'].' ';
				foreach ($header['attributes'] as $name => $value) {
					echo "$name='$value' ";
				};
				echo '/>';
			?>
		<?php endforeach; ?>
	</head>

	<body>
		<?php echo $_['content']; ?>
	</body>
</html>