szurubooru/src/Views/top-navigation.phtml

<ul class="main-nav">
	<?php
	$nav = [];

	list ($className, $methodName)
		= isset($this->context->route)
		? $this->context->route->destination
		: [null, null];

	$activeController = TextCaseConverter::convert(
		str_replace('Controller', '', $className),
		TextCaseConverter::CAMEL_CASE,
		TextCaseConverter::SPINAL_CASE);

	$activeAction = TextCaseConverter::convert(
		preg_replace('/Action|View/', '', $methodName),
		TextCaseConverter::CAMEL_CASE,
		TextCaseConverter::SPINAL_CASE);

	$registerNavItem = function ($text, $link, $active = false) use (&$nav)
	{
		$nav []= [
			'text' => $text,
			'link' => $link,
			'active' => $active];
	};

	$registerNavItem(
		'Home',
		Core::getRouter()->linkTo(['StaticPagesController', 'mainPageView']),
		$activeController == 'static-pages' and $activeAction == 'main-page');

	if (Access::check(new Privilege(Privilege::ListPosts)))
	{
		$registerNavItem(
			'Browse',
			Core::getRouter()->linkTo(['PostController', 'listView']),
			$activeController == 'post' and $activeAction != 'upload');
	}

	if (Access::check(new Privilege(Privilege::AddPost)))
	{
		$registerNavItem(
			'Upload',
			Core::getRouter()->linkTo(['PostController', 'uploadView']),
			$activeController == 'post' and $activeAction == 'upload');
	}

	if (Access::check(new Privilege(Privilege::ListComments)))
	{
		$registerNavItem(
			'Comments',
			Core::getRouter()->linkTo(['CommentController', 'listView']),
			$activeController == 'comment');
	}

	if (Access::check(new Privilege(Privilege::ListTags)))
	{
		$registerNavItem(
			'Tags',
			Core::getRouter()->linkTo(['TagController', 'listView']),
			$activeController == 'tag');
	}

	if (Access::check(new Privilege(Privilege::ListUsers)))
	{
		$registerNavItem(
			'Users',
			Core::getRouter()->linkTo(['UserController', 'listView']),
			$activeController == 'user' and $activeAction != 'registration' and
				(!isset($this->context->route->arguments['identifier']) or
					$this->context->route->arguments['identifier'] != Auth::getCurrentUser()->getName()));
	}

	if (!Auth::isLoggedIn())
	{
		$registerNavItem(
			'Log in',
			Core::getRouter()->linkTo(['AuthController', 'loginView']),
			$activeController == 'auth' and $activeAction == 'login');

		$registerNavItem(
			'Register',
			Core::getRouter()->linkTo(['UserController', 'registrationView']),
			$activeController == 'user' and $activeAction == 'registration');
	}
	else
	{
		$registerNavItem(
			'My account',
			Core::getRouter()->linkTo(['UserController', 'genericView'], ['identifier' => Auth::getCurrentUser()->getName()]),
			$activeController == 'user' and isset($this->context->route->arguments['identifier']) and
				$this->context->route->arguments['identifier'] == Auth::getCurrentUser()->getName());

		$registerNavItem(
			'Log out',
			Core::getRouter()->linkTo(['AuthController', 'logoutAction']));
	}

	if (!empty(Core::getConfig()->help->title))
	{
		$registerNavItem(
			Core::getConfig()->help->title,
			Core::getRouter()->linkTo(['StaticPagesController', 'helpView']),
			$activeController == 'static-pages' and $activeAction == 'help');
	}

	foreach ($nav as $navItem)
	{
		extract($navItem);
		echo TextHelper::htmlTag('li', TextHelper::HTML_OPEN, ['class' => rtrim('main-nav-item ' . ($active ? 'active' : ''))]);
		echo TextHelper::htmlTag('a', TextHelper::HTML_OPEN, ['href' => $link]);
		echo $text;
		echo TextHelper::htmlTag('a', textHelper::HTML_CLOSE);
		echo TextHelper::htmlTag('li', textHelper::HTML_CLOSE);
	}
	?>

	<?php if (Access::check(new Privilege(
		Privilege::EditUserSettings,
		Access::getIdentity(Auth::getCurrentUser())))): ?>
		<li class="safety">
			<ul>
				<?php foreach (PostSafety::getAll() as $safety): ?>
					<?php if (Access::check(new Privilege(
						Privilege::ListPosts,
						$safety->toString()))): ?>

						<li class="safety-<?= TextCaseConverter::convert(
							$safety->toString(),
							TextCaseConverter::CAMEL_CASE,
							TextCaseConverter::SPINAL_CASE) ?>">

							<a class="simple-action <?= Auth::getCurrentUser()->getSettings()->hasEnabledSafety($safety)
									? 'enabled'
									: 'disabled' ?>"
								href="<?= Core::getRouter()->linkTo(
									['UserController', 'toggleSafetyAction'],
									['safety' => $safety->toInteger()]) ?>"
								title="<?= sprintf('Searching %s posts: %s',
									$safety->toDisplayString(),
									Auth::getCurrentUser()->getSettings()->hasEnabledSafety($safety)
										? 'enabled'
										: 'disabled') ?>">

								<span><?= ucfirst($safety->toDisplayString()) ?></span>

							</a>
						</li>

					<?php endif ?>
				<?php endforeach ?>
			</ul>
		</li>
	<?php endif ?>

	<li class="search">
		<form method="post"
			action="<?= Core::getRouter()->linkTo(['PostController', 'listRedirectAction']) ?>"
			name="search">

			<input
				class="autocomplete"
				type="search"
				name="query"
				placeholder="Search&hellip;"
				value="<?= isset($this->context->transport->searchQuery)
					? htmlspecialchars($this->context->transport->searchQuery)
					: '' ?>"/>

		</form>
	</li>
</ul>