diff --git a/boot.php b/boot.php
index 4bfa5c098..0692e8475 100644
--- a/boot.php
+++ b/boot.php
@@ -36,7 +36,6 @@ require_once 'include/plugin.php';
 require_once 'include/text.php';
 require_once 'include/datetime.php';
 require_once 'include/pgettext.php';
-require_once 'include/nav.php';
 
 define('FRIENDICA_PLATFORM',     'Friendica');
 define('FRIENDICA_CODENAME',     'Asparagus');
diff --git a/index.php b/index.php
index bfd5cda64..dcb25cc3a 100644
--- a/index.php
+++ b/index.php
@@ -10,6 +10,7 @@
 
 use Friendica\App;
 use Friendica\BaseObject;
+use Friendica\Content\Nav;
 use Friendica\Core\System;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
@@ -192,7 +193,7 @@ if ($install && $a->module!="view") {
 	check_plugins($a);
 }
 
-nav_set_selected('nothing');
+Nav::setSelected('nothing');
 
 //Don't populate apps_menu if apps are private
 $privateapps = Config::get('config', 'private_addons');
@@ -426,7 +427,7 @@ call_hooks('page_end', $a->page['content']);
  * Add the navigation (menu) template
  */
 if ($a->module != 'install' && $a->module != 'maintenance') {
-	nav($a);
+	Nav::build($a);
 }
 
 /*
diff --git a/mod/cal.php b/mod/cal.php
index de00feadd..8f5c1b14c 100644
--- a/mod/cal.php
+++ b/mod/cal.php
@@ -7,6 +7,7 @@
  */
 use Friendica\App;
 use Friendica\Content\Feature;
+use Friendica\Content\Nav;
 use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
@@ -27,7 +28,7 @@ function cal_init(App $a)
 		return;
 	}
 
-	nav_set_selected('events');
+	Nav::setSelected('events');
 
 	if ($a->argc > 1) {
 		$nick = $a->argv[1];
@@ -74,7 +75,7 @@ function cal_init(App $a)
 
 function cal_content(App $a)
 {
-	nav_set_selected('events');
+	Nav::setSelected('events');
 
 	// get the translation strings for the callendar
 	$i18n = get_event_strings();
diff --git a/mod/community.php b/mod/community.php
index cfd2087d9..5fdd6de28 100644
--- a/mod/community.php
+++ b/mod/community.php
@@ -1,6 +1,9 @@
 <?php
-
+/**
+ * @file mod/community.php
+ */
 use Friendica\App;
+use Friendica\Content\Nav;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Database\DBM;
@@ -91,7 +94,7 @@ function community_content(App $a, $update = 0)
 		$tab_tpl = get_markup_template('common_tabs.tpl');
 		$o .= replace_macros($tab_tpl, ['$tabs' => $tabs]);
 
-		nav_set_selected('community');
+		Nav::setSelected('community');
 
 		// We need the editor here to be able to reshare an item.
 		if (local_user()) {
diff --git a/mod/contacts.php b/mod/contacts.php
index ae0edb3cc..682d427c6 100644
--- a/mod/contacts.php
+++ b/mod/contacts.php
@@ -4,6 +4,7 @@
  */
 use Friendica\App;
 use Friendica\Content\ContactSelector;
+use Friendica\Content\Nav;
 use Friendica\Content\Widget;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
@@ -369,7 +370,7 @@ function contacts_content(App $a)
 {
 	$sort_type = 0;
 	$o = '';
-	nav_set_selected('contacts');
+	Nav::setSelected('contacts');
 
 	if (!local_user()) {
 		notice(t('Permission denied.') . EOL);
diff --git a/mod/directory.php b/mod/directory.php
index 59a3195b1..6398127cf 100644
--- a/mod/directory.php
+++ b/mod/directory.php
@@ -3,6 +3,7 @@
  * @file mod/directory.php
  */
 use Friendica\App;
+use Friendica\Content\Nav;
 use Friendica\Content\Widget;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
@@ -37,7 +38,7 @@ function directory_content(App $a) {
 	}
 
 	$o = '';
-	nav_set_selected('directory');
+	Nav::setSelected('directory');
 
 	if(x($a->data,'search'))
 		$search = notags(trim($a->data['search']));
diff --git a/mod/events.php b/mod/events.php
index 791499515..1c8c92a31 100644
--- a/mod/events.php
+++ b/mod/events.php
@@ -4,6 +4,7 @@
  * @brief The events module
  */
 use Friendica\App;
+use Friendica\Content\Nav;
 use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
@@ -212,9 +213,9 @@ function events_content(App $a) {
 	}
 
 	if ($a->theme_events_in_profile) {
-		nav_set_selected('home');
+		Nav::setSelected('home');
 	} else {
-		nav_set_selected('events');
+		Nav::setSelected('events');
 	}
 
 	// get the translation strings for the callendar
diff --git a/mod/help.php b/mod/help.php
index ab5223a39..b9c2bae3a 100644
--- a/mod/help.php
+++ b/mod/help.php
@@ -1,6 +1,9 @@
 <?php
-
+/**
+ * @file mod/help.php
+ */
 use Friendica\App;
+use Friendica\Content\Nav;
 use Friendica\Content\Text\Markdown;
 use Friendica\Core\System;
 
@@ -23,7 +26,7 @@ if (!function_exists('load_doc_file')) {
 
 function help_content(App $a) {
 
-	nav_set_selected('help');
+	Nav::setSelected('help');
 
 	global $lang;
 
diff --git a/mod/message.php b/mod/message.php
index c02e27bef..9a8a77b02 100644
--- a/mod/message.php
+++ b/mod/message.php
@@ -3,6 +3,7 @@
  * @file mod/message.php
  */
 use Friendica\App;
+use Friendica\Content\Nav;
 use Friendica\Content\Smilies;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
@@ -92,7 +93,7 @@ function message_post(App $a)
 function message_content(App $a)
 {
 	$o = '';
-	nav_set_selected('messages');
+	Nav::setSelected('messages');
 
 	if (!local_user()) {
 		notice(t('Permission denied.') . EOL);
diff --git a/mod/network.php b/mod/network.php
index e9d60fd5c..c08d8e68d 100644
--- a/mod/network.php
+++ b/mod/network.php
@@ -5,6 +5,7 @@
 use Friendica\App;
 use Friendica\Content\Feature;
 use Friendica\Content\ForumManager;
+use Friendica\Content\Nav;
 use Friendica\Content\Widget;
 use Friendica\Core\System;
 use Friendica\Core\Config;
@@ -440,7 +441,7 @@ function networkFlatView(App $a, $update = 0) {
 		$tabs = network_tabs($a);
 		$o .= $tabs;
 
-		nav_set_selected('network');
+		Nav::setSelected('network');
 
 		$x = [
 			'is_owner' => true,
@@ -575,7 +576,7 @@ function networkThreadedView(App $a, $update = 0) {
 			}
 		}
 
-		nav_set_selected('network');
+		Nav::setSelected('network');
 
 		$content = "";
 
diff --git a/mod/notes.php b/mod/notes.php
index a98577e54..c02f0a759 100644
--- a/mod/notes.php
+++ b/mod/notes.php
@@ -3,6 +3,7 @@
  * @file mod/notes.php
  */
 use Friendica\App;
+use Friendica\Content\Nav;
 use Friendica\Database\DBM;
 use Friendica\Model\Profile;
 
@@ -16,7 +17,7 @@ function notes_init(App $a) {
 
 	$which = $a->user['nickname'];
 
-	nav_set_selected('home');
+	Nav::setSelected('home');
 
 	//Profile::load($a, $which, $profile);
 
diff --git a/mod/notifications.php b/mod/notifications.php
index 4d549b46d..f44007ce3 100644
--- a/mod/notifications.php
+++ b/mod/notifications.php
@@ -5,6 +5,7 @@
  */
 use Friendica\App;
 use Friendica\Content\ContactSelector;
+use Friendica\Content\Nav;
 use Friendica\Core\NotificationsManager;
 use Friendica\Core\System;
 use Friendica\Database\DBM;
@@ -77,7 +78,7 @@ function notifications_content(App $a) {
 	$page	=	(x($_REQUEST,'page')		? $_REQUEST['page']		: 1);
 	$show	=	(x($_REQUEST,'show')		? $_REQUEST['show']		: 0);
 
-	nav_set_selected('notifications');
+	Nav::setSelected('notifications');
 
 	$json = (($a->argc > 1 && $a->argv[$a->argc - 1] === 'json') ? true : false);
 
@@ -93,8 +94,8 @@ function notifications_content(App $a) {
 	$startrec = ($page * $perpage) - $perpage;
 
 	// Get introductions
-	if( (($a->argc > 1) && ($a->argv[1] == 'intros')) || (($a->argc == 1))) {
-		nav_set_selected('introductions');
+	if ((($a->argc > 1) && ($a->argv[1] == 'intros')) || (($a->argc == 1))) {
+		Nav::setSelected('introductions');
 		$notif_header = t('Notifications');
 
 		$all = (($a->argc > 2) && ($a->argv[2] == 'all'));
diff --git a/mod/photos.php b/mod/photos.php
index 5714b0e86..f399c3ae8 100644
--- a/mod/photos.php
+++ b/mod/photos.php
@@ -4,6 +4,7 @@
  */
 use Friendica\App;
 use Friendica\Content\Feature;
+use Friendica\Content\Nav;
 use Friendica\Core\System;
 use Friendica\Core\Config;
 use Friendica\Core\Worker;
@@ -33,7 +34,7 @@ function photos_init(App $a) {
 		return;
 	}
 
-	nav_set_selected('home');
+	Nav::setSelected('home');
 
 	if ($a->argc > 1) {
 		$nick = $a->argv[1];
diff --git a/mod/profile.php b/mod/profile.php
index 198260512..4b1d4d2a0 100644
--- a/mod/profile.php
+++ b/mod/profile.php
@@ -4,6 +4,7 @@
  */
 use Friendica\App;
 use Friendica\Content\Widget;
+use Friendica\Content\Nav;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
@@ -125,7 +126,7 @@ function profile_content(App $a, $update = 0)
 		// Ensure we've got a profile owner if updating.
 		$a->profile['profile_uid'] = $update;
 	} elseif ($a->profile['profile_uid'] == local_user()) {
-		nav_set_selected('home');
+		Nav::setSelected('home');
 	}
 
 	$contact = null;
diff --git a/mod/profiles.php b/mod/profiles.php
index 93571db9c..f8d77e27d 100644
--- a/mod/profiles.php
+++ b/mod/profiles.php
@@ -5,6 +5,7 @@
 use Friendica\App;
 use Friendica\Content\ContactSelector;
 use Friendica\Content\Feature;
+use Friendica\Content\Nav;
 use Friendica\Core\Config;
 use Friendica\Core\PConfig;
 use Friendica\Core\System;
@@ -16,7 +17,7 @@ use Friendica\Network\Probe;
 
 function profiles_init(App $a) {
 
-	nav_set_selected('profiles');
+	Nav::setSelected('profiles');
 
 	if (! local_user()) {
 		return;
diff --git a/mod/search.php b/mod/search.php
index 08b21d1e4..60995e98a 100644
--- a/mod/search.php
+++ b/mod/search.php
@@ -4,6 +4,7 @@
  */
 use Friendica\App;
 use Friendica\Content\Feature;
+use Friendica\Content\Nav;
 use Friendica\Core\Cache;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
@@ -132,7 +133,7 @@ function search_content(App $a) {
 			Cache::set("remote_search:".$remote, json_encode(["time" => time(), "accesses" => 1]), CACHE_HOUR);
 	}
 
-	nav_set_selected('search');
+	Nav::setSelected('search');
 
 	if (x($a->data,'search'))
 		$search = notags(trim($a->data['search']));
diff --git a/mod/settings.php b/mod/settings.php
index 06ac0794b..572857a48 100644
--- a/mod/settings.php
+++ b/mod/settings.php
@@ -4,6 +4,7 @@
  */
 use Friendica\App;
 use Friendica\Content\Feature;
+use Friendica\Content\Nav;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Core\Config;
@@ -654,7 +655,7 @@ function settings_post(App $a)
 function settings_content(App $a)
 {
 	$o = '';
-	nav_set_selected('settings');
+	Nav::setSelected('settings');
 
 	if (!local_user()) {
 		//notice(t('Permission denied.') . EOL);
diff --git a/mod/videos.php b/mod/videos.php
index 6dfbb74ed..239d86168 100644
--- a/mod/videos.php
+++ b/mod/videos.php
@@ -3,6 +3,7 @@
  * @file mod/videos.php
  */
 use Friendica\App;
+use Friendica\Content\Nav;
 use Friendica\Core\Config;
 use Friendica\Core\System;
 use Friendica\Core\Worker;
@@ -26,7 +27,7 @@ function videos_init(App $a) {
 		return;
 	}
 
-	nav_set_selected('home');
+	Nav::setSelected('home');
 
 	$o = '';
 
diff --git a/mod/viewcontacts.php b/mod/viewcontacts.php
index a918c1ae5..22ab555b3 100644
--- a/mod/viewcontacts.php
+++ b/mod/viewcontacts.php
@@ -4,6 +4,7 @@
  */
 use Friendica\App;
 use Friendica\Content\ContactSelector;
+use Friendica\Content\Nav;
 use Friendica\Core\Config;
 use Friendica\Database\DBM;
 use Friendica\Model\Contact;
@@ -15,7 +16,7 @@ function viewcontacts_init(App $a) {
 		return;
 	}
 
-	nav_set_selected('home');
+	Nav::setSelected('home');
 
 	if($a->argc > 1) {
 		$nick = $a->argv[1];
diff --git a/src/Content/Nav.php b/src/Content/Nav.php
index 20ae440b1..8445d827f 100644
--- a/src/Content/Nav.php
+++ b/src/Content/Nav.php
@@ -11,21 +11,22 @@ use Friendica\Core\System;
 use Friendica\Database\DBM;
 use Friendica\Model\Profile;
 
+require_once 'boot.php';
+require_once 'include/pgettext.php';
+require_once 'include/text.php';
+
 class Nav
 {
-	function nav(App $a)
+	/**
+	 * Build page header and site navigation bars
+	 */
+	public static function build(App $a)
 	{
-		/*
-		 *
-		 * Build page header and site navigation bars
-		 *
-		 */
-	
 		if (!(x($a->page, 'nav'))) {
 			$a->page['nav'] = '';
 		}
 	
-		$a->page['htmlhead'] .= replace_macros(get_markup_template('nav_head.tpl'), array());
+		$a->page['htmlhead'] .= replace_macros(get_markup_template('nav_head.tpl'), []);
 	
 		/*
 		 * Placeholder div for popup panel
@@ -33,7 +34,7 @@ class Nav
 	
 		$a->page['nav'] .= '<div id="panel" style="display: none;"></div>' ;
 	
-		$nav_info = nav_info($a);
+		$nav_info = self::getInfo($a);
 	
 		/*
 		 * Build the page
@@ -41,25 +42,28 @@ class Nav
 	
 		$tpl = get_markup_template('nav.tpl');
 	
-		$a->page['nav'] .= replace_macros($tpl, array(
-			'$baseurl' => System::baseUrl(),
-			'$sitelocation' => $nav_info['sitelocation'],
-			'$nav' => $nav_info['nav'],
-			'$banner' => $nav_info['banner'],
-			'$emptynotifications' => t('Nothing new here'),
-			'$userinfo' => $nav_info['userinfo'],
-			'$sel' =>  $a->nav_sel,
-			'$apps' => $a->apps,
-			'$clear_notifs' => t('Clear notifications'),
-			'$search_hint' => t('@name, !forum, #tags, content')
-		));
+		$a->page['nav'] .= replace_macros($tpl,
+			[
+				'$baseurl' => System::baseUrl(),
+				'$sitelocation' => $nav_info['sitelocation'],
+				'$nav' => $nav_info['nav'],
+				'$banner' => $nav_info['banner'],
+				'$emptynotifications' => t('Nothing new here'),
+				'$userinfo' => $nav_info['userinfo'],
+				'$sel' =>  $a->nav_sel,
+				'$apps' => $a->apps,
+				'$clear_notifs' => t('Clear notifications'),
+				'$search_hint' => t('@name, !forum, #tags, content')
+			]
+		);
 	
 		call_hooks('page_header', $a->page['nav']);
 	}
 	
 	/**
-	 * @brief Prepares a list of navigation links
+	 * Prepares a list of navigation links
 	 *
+	 * @brief Prepares a list of navigation links
 	 * @param App $a
 	 * @return array Navigation links
 	 *	string 'sitelocation' => The webbie (username@site.com)
@@ -67,7 +71,7 @@ class Nav
 	 *	string 'banner' => Formatted html link with banner image
 	 *	array 'userinfo' => Array of user information (name, icon)
 	 */
-	function nav_info(App $a)
+	private static function getInfo(App $a)
 	{
 		$ssl_state = ((local_user()) ? true : false);
 	
@@ -82,31 +86,31 @@ class Nav
 		$sitelocation = $myident . substr(System::baseUrl($ssl_state), strpos(System::baseUrl($ssl_state), '//') + 2);
 	
 		// nav links: array of array('href', 'text', 'extra css classes', 'title')
-		$nav = array();
+		$nav = [];
 	
 		// Display login or logout
-		$nav['usermenu'] = array();
+		$nav['usermenu'] = [];
 		$userinfo = null;
 	
 		if (local_user()) {
-			$nav['logout'] = array('logout', t('Logout'), '', t('End this session'));
+			$nav['logout'] = ['logout', t('Logout'), '', t('End this session')];
 	
 			// user menu
-			$nav['usermenu'][] = array('profile/' . $a->user['nickname'], t('Status'), '', t('Your posts and conversations'));
-			$nav['usermenu'][] = array('profile/' . $a->user['nickname'] . '?tab=profile', t('Profile'), '', t('Your profile page'));
-			$nav['usermenu'][] = array('photos/' . $a->user['nickname'], t('Photos'), '', t('Your photos'));
-			$nav['usermenu'][] = array('videos/' . $a->user['nickname'], t('Videos'), '', t('Your videos'));
-			$nav['usermenu'][] = array('events/', t('Events'), '', t('Your events'));
-			$nav['usermenu'][] = array('notes/', t('Personal notes'), '', t('Your personal notes'));
+			$nav['usermenu'][] = ['profile/' . $a->user['nickname'], t('Status'), '', t('Your posts and conversations')];
+			$nav['usermenu'][] = ['profile/' . $a->user['nickname'] . '?tab=profile', t('Profile'), '', t('Your profile page')];
+			$nav['usermenu'][] = ['photos/' . $a->user['nickname'], t('Photos'), '', t('Your photos')];
+			$nav['usermenu'][] = ['videos/' . $a->user['nickname'], t('Videos'), '', t('Your videos')];
+			$nav['usermenu'][] = ['events/', t('Events'), '', t('Your events')];
+			$nav['usermenu'][] = ['notes/', t('Personal notes'), '', t('Your personal notes')];
 	
 			// user info
 			$contact = dba::selectFirst('contact', ['micro'], ['uid' => $a->user['uid'], 'self' => true]);
-			$userinfo = array(
+			$userinfo = [
 				'icon' => (DBM::is_result($contact) ? $a->remove_baseurl($contact['micro']) : 'images/person-48.jpg'),
 				'name' => $a->user['username'],
-			);
+			];
 		} else {
-			$nav['login'] = array('login', t('Login'), ($a->module == 'login' ? 'selected' : ''), t('Sign in'));
+			$nav['login'] = ['login', t('Login'), ($a->module == 'login' ? 'selected' : ''), t('Sign in')];
 		}
 	
 		// "Home" should also take you home from an authenticated remote profile connection
@@ -116,30 +120,31 @@ class Nav
 		}
 	
 		if (($a->module != 'home') && (! (local_user()))) {
-			$nav['home'] = array($homelink, t('Home'), '', t('Home Page'));
+			$nav['home'] = [$homelink, t('Home'), '', t('Home Page')];
 		}
 	
 		if (($a->config['register_policy'] == REGISTER_OPEN) && (! local_user()) && (! remote_user())) {
-			$nav['register'] = array('register', t('Register'), '', t('Create an account'));
+			$nav['register'] = ['register', t('Register'), '', t('Create an account')];
 		}
 	
 		$help_url = 'help';
 	
 		if (!Config::get('system', 'hide_help')) {
-			$nav['help'] = array($help_url, t('Help'), '', t('Help and documentation'));
+			$nav['help'] = [$help_url, t('Help'), '', t('Help and documentation')];
 		}
 	
 		if (count($a->apps) > 0) {
-			$nav['apps'] = array('apps', t('Apps'), '', t('Addon applications, utilities, games'));
+			$nav['apps'] = ['apps', t('Apps'), '', t('Addon applications, utilities, games')];
 		}
 	
 		if (local_user() || !Config::get('system', 'local_search')) {
-			$nav['search'] = array('search', t('Search'), '', t('Search site content'));
+			$nav['search'] = ['search', t('Search'), '', t('Search site content')];
 	
-			$nav['searchoption'] = array(
+			$nav['searchoption'] = [
 							t('Full Text'),
 							t('Tags'),
-							t('Contacts'));
+							t('Contacts')
+						];
 	
 			if (Config::get('system', 'poco_local_search')) {
 				$nav['searchoption'][] = t('Forums');
@@ -156,23 +161,23 @@ class Nav
 		}
 	
 		if (local_user() || Config::get('system', 'community_page_style') != CP_NO_COMMUNITY_PAGE) {
-			$nav['community'] = array('community', t('Community'), '', t('Conversations on this and other servers'));
+			$nav['community'] = ['community', t('Community'), '', t('Conversations on this and other servers')];
 		}
 	
 		if (local_user()) {
-			$nav['events'] = array('events', t('Events'), '', t('Events and Calendar'));
+			$nav['events'] = ['events', t('Events'), '', t('Events and Calendar')];
 		}
 	
-		$nav['directory'] = array($gdirpath, t('Directory'), '', t('People directory'));
+		$nav['directory'] = [$gdirpath, t('Directory'), '', t('People directory')];
 	
-		$nav['about'] = array('friendica', t('Information'), '', t('Information about this friendica instance'));
+		$nav['about'] = ['friendica', t('Information'), '', t('Information about this friendica instance')];
 	
 		// The following nav links are only show to logged in users
 		if (local_user()) {
-			$nav['network'] = array('network', t('Network'), '', t('Conversations from your friends'));
-			$nav['net_reset'] = array('network/0?f=&order=comment&nets=all', t('Network Reset'), '', t('Load Network page with no filters'));
+			$nav['network'] = ['network', t('Network'), '', t('Conversations from your friends')];
+			$nav['net_reset'] = ['network/0?f=&order=comment&nets=all', t('Network Reset'), '', t('Load Network page with no filters')];
 	
-			$nav['home'] = array('profile/' . $a->user['nickname'], t('Home'), '', t('Your posts and conversations'));
+			$nav['home'] = ['profile/' . $a->user['nickname'], t('Home'), '', t('Your posts and conversations')];
 	
 			if (in_array($_SESSION['page_flags'], array(PAGE_NORMAL, PAGE_SOAPBOX, PAGE_FREELOVE, PAGE_PRVGROUP))) {
 				// only show friend requests for normal pages. Other page types have automatic friendship.
@@ -180,38 +185,38 @@ class Nav
 					$nav['introductions'] = array('notifications/intros', t('Introductions'), '', t('Friend Requests'));
 				}
 				if (in_array($_SESSION['page_flags'], array(PAGE_NORMAL, PAGE_SOAPBOX, PAGE_FREELOVE))) {
-					$nav['notifications'] = array('notifications',	t('Notifications'), '', t('Notifications'));
-					$nav['notifications']['all'] = array('notifications/system', t('See all notifications'), '', '');
-					$nav['notifications']['mark'] = array('', t('Mark as seen'), '', t('Mark all system notifications seen'));
+					$nav['notifications'] = ['notifications',	t('Notifications'), '', t('Notifications')];
+					$nav['notifications']['all'] = ['notifications/system', t('See all notifications'), '', ''];
+					$nav['notifications']['mark'] = ['', t('Mark as seen'), '', t('Mark all system notifications seen')];
 				}
 			}
 	
-			$nav['messages'] = array('message', t('Messages'), '', t('Private mail'));
-			$nav['messages']['inbox'] = array('message', t('Inbox'), '', t('Inbox'));
-			$nav['messages']['outbox'] = array('message/sent', t('Outbox'), '', t('Outbox'));
-			$nav['messages']['new'] = array('message/new', t('New Message'), '', t('New Message'));
+			$nav['messages'] = ['message', t('Messages'), '', t('Private mail')];
+			$nav['messages']['inbox'] = ['message', t('Inbox'), '', t('Inbox')];
+			$nav['messages']['outbox'] = ['message/sent', t('Outbox'), '', t('Outbox')];
+			$nav['messages']['new'] = ['message/new', t('New Message'), '', t('New Message')];
 	
 			if (is_array($a->identities) && count($a->identities) > 1) {
-				$nav['manage'] = array('manage', t('Manage'), '', t('Manage other pages'));
+				$nav['manage'] = ['manage', t('Manage'), '', t('Manage other pages')];
 			}
 	
-			$nav['delegations'] = array('delegate', t('Delegations'), '', t('Delegate Page Management'));
+			$nav['delegations'] = ['delegate', t('Delegations'), '', t('Delegate Page Management')];
 	
-			$nav['settings'] = array('settings', t('Settings'), '', t('Account settings'));
+			$nav['settings'] = ['settings', t('Settings'), '', t('Account settings')];
 	
 			if (Feature::isEnabled(local_user(), 'multi_profiles')) {
-				$nav['profiles'] = array('profiles', t('Profiles'), '', t('Manage/Edit Profiles'));
+				$nav['profiles'] = ['profiles', t('Profiles'), '', t('Manage/Edit Profiles')];
 			}
 	
-			$nav['contacts'] = array('contacts', t('Contacts'), '', t('Manage/edit friends and contacts'));
+			$nav['contacts'] = ['contacts', t('Contacts'), '', t('Manage/edit friends and contacts')];
 		}
 	
 		// Show the link to the admin configuration page if user is admin
 		if (is_site_admin()) {
-			$nav['admin'] = array('admin/', t('Admin'), '', t('Site setup and configuration'));
+			$nav['admin'] = ['admin/', t('Admin'), '', t('Site setup and configuration')];
 		}
 	
-		$nav['navigation'] = array('navigation/', t('Navigation'), '', t('Site map'));
+		$nav['navigation'] = ['navigation/', t('Navigation'), '', t('Site map')];
 	
 		// Provide a banner/logo/whatever
 		$banner = Config::get('system', 'banner');
@@ -221,22 +226,21 @@ class Nav
 	
 		call_hooks('nav_info', $nav);
 	
-		return array(
+		return [
 			'sitelocation' => $sitelocation,
 			'nav' => $nav,
 			'banner' => $banner,
 			'userinfo' => $userinfo,
-		);
+		];
 	}
 	
 	/**
 	 * Set a menu item in navbar as selected
-	 *
 	 */
-	function nav_set_selected($item)
+	public static function setSelected($item)
 	{
 		$a = get_app();
-		$a->nav_sel = array(
+		$a->nav_sel = [
 			'global' 	=> null,
 			'community' 	=> null,
 			'network' 	=> null,
@@ -250,8 +254,8 @@ class Nav
 			'contacts'	=> null,
 			'manage'	=> null,
 			'events'	=> null,
-			'register'	=> null,
-		);
+			'register'	=> null
+		];
 		$a->nav_sel[$item] = 'selected';
 	}
 }