diff --git a/mod/_well_known.php b/mod/_well_known.php
index 33070a1ec..eedddf1e5 100644
--- a/mod/_well_known.php
+++ b/mod/_well_known.php
@@ -1,8 +1,9 @@
 <?php
+/// @TODO This file has DOS line endings!
 require_once("mod/hostxrd.php");
 require_once("mod/nodeinfo.php");
 
-function _well_known_init(&$a){
+function _well_known_init(App &$a){
 	if ($a->argc > 1) {
 		switch($a->argv[1]) {
 			case "host-meta":
@@ -20,7 +21,7 @@ function _well_known_init(&$a){
 	killme();
 }
 
-function wk_social_relay(&$a) {
+function wk_social_relay(App &$a) {
 
 	define('SR_SCOPE_ALL', 'all');
 	define('SR_SCOPE_TAGS', 'tags');
diff --git a/mod/acctlink.php b/mod/acctlink.php
index a2365803a..29f17d6e4 100644
--- a/mod/acctlink.php
+++ b/mod/acctlink.php
@@ -2,7 +2,7 @@
 
 require_once('include/Scrape.php');
 
-function acctlink_init(&$a) {
+function acctlink_init(App &$a) {
 
 	if(x($_GET,'addr')) {
 		$addr = trim($_GET['addr']);
diff --git a/mod/acl.php b/mod/acl.php
index f5e04b96a..802b0a399 100644
--- a/mod/acl.php
+++ b/mod/acl.php
@@ -3,7 +3,7 @@
 
 require_once("include/acl_selectors.php");
 
-function acl_init(&$a){
+function acl_init(App &$a){
 	acl_lookup($a);
 }
 
diff --git a/mod/admin.php b/mod/admin.php
index b4495a194..040f55a5a 100644
--- a/mod/admin.php
+++ b/mod/admin.php
@@ -23,7 +23,7 @@ require_once("include/text.php");
  * @param App $a
  *
  */
-function admin_post(&$a){
+function admin_post(App &$a){
 
 
 	if(!is_site_admin()) {
@@ -127,7 +127,7 @@ function admin_post(&$a){
  * @param App $a
  * @return string
  */
-function admin_content(&$a) {
+function admin_content(App &$a) {
 
 	if(!is_site_admin()) {
 		return login(false);
@@ -260,7 +260,7 @@ function admin_content(&$a) {
  * @param App $a
  * @return string
  */
-function admin_page_federation(&$a) {
+function admin_page_federation(App &$a) {
 	// get counts on active friendica, diaspora, redmatrix, hubzilla, gnu
 	// social and statusnet nodes this node is knowing
 	//
@@ -393,7 +393,7 @@ function admin_page_federation(&$a) {
  * @param App $a
  * @return string
  */
-function admin_page_queue(&$a) {
+function admin_page_queue(App &$a) {
 	// get content from the queue table
 	$r = q("SELECT `c`.`name`, `c`.`nurl`, `q`.`id`, `q`.`network`, `q`.`created`, `q`.`last`
 			FROM `queue` AS `q`, `contact` AS `c`
@@ -427,7 +427,7 @@ function admin_page_queue(&$a) {
  * @param App $a
  * @return string
  */
-function admin_page_summary(&$a) {
+function admin_page_summary(App &$a) {
 	global $db;
 	// are there MyISAM tables in the DB? If so, trigger a warning message
 	$r = q("SELECT `engine` FROM `information_schema`.`tables` WHERE `engine` = 'myisam' AND `table_schema` = '%s' LIMIT 1",
@@ -504,7 +504,7 @@ function admin_page_summary(&$a) {
  * 
  * @param App $a
  */
-function admin_page_site_post(&$a) {
+function admin_page_site_post(App &$a) {
 	if(!x($_POST,"page_site")) {
 		return;
 	}
@@ -845,7 +845,7 @@ function admin_page_site_post(&$a) {
  * @param  App $a
  * @return string
  */
-function admin_page_site(&$a) {
+function admin_page_site(App &$a) {
 
 	/* Installed langs */
 	$lang_choices = get_available_languages();
@@ -1072,7 +1072,7 @@ function admin_page_site(&$a) {
  * @param App $a
  * @return string
  **/
-function admin_page_dbsync(&$a) {
+function admin_page_dbsync(App &$a) {
 
 	$o = '';
 
@@ -1155,7 +1155,7 @@ function admin_page_dbsync(&$a) {
  * 
  * @param App $a
  */
-function admin_page_users_post(&$a){
+function admin_page_users_post(App &$a){
 	$pending     =	(x($_POST, 'pending')			? $_POST['pending']		: array());
 	$users       =	(x($_POST, 'user')			? $_POST['user']		: array());
 	$nu_name     =	(x($_POST, 'new_user_name')		? $_POST['new_user_name']	: '');
@@ -1260,7 +1260,7 @@ function admin_page_users_post(&$a){
  * @param App $a
  * @return string
  */
-function admin_page_users(&$a){
+function admin_page_users(App &$a){
 	if($a->argc>2) {
 		$uid = $a->argv[3];
 		$user = q("SELECT `username`, `blocked` FROM `user` WHERE `uid` = %d", intval($uid));
@@ -1460,7 +1460,7 @@ function admin_page_users(&$a){
  * @param App $a
  * @return string
  */
-function admin_page_plugins(&$a){
+function admin_page_plugins(App &$a){
 
 	/*
 	 * Single plugin
@@ -1666,7 +1666,7 @@ function rebuild_theme_table($themes) {
  * @param App $a
  * @return string
  */
-function admin_page_themes(&$a){
+function admin_page_themes(App &$a){
 
 	$allowed_themes_str = get_config('system','allowed_themes');
 	$allowed_themes_raw = explode(',',$allowed_themes_str);
@@ -1847,7 +1847,7 @@ function admin_page_themes(&$a){
  * 
  * @param App $a
  */
-function admin_page_logs_post(&$a) {
+function admin_page_logs_post(App &$a) {
 	if(x($_POST,"page_logs")) {
 		check_form_security_token_redirectOnErr('/admin/logs', 'admin_logs');
 
@@ -1881,7 +1881,7 @@ function admin_page_logs_post(&$a) {
  * @param App $a
  * @return string
  */
-function admin_page_logs(&$a){
+function admin_page_logs(App &$a){
 
 	$log_choices = array(
 		LOGGER_NORMAL	=> 'Normal',
@@ -1938,7 +1938,7 @@ function admin_page_logs(&$a){
  * @param App $a
  * @return string
  */
-function admin_page_viewlogs(&$a){
+function admin_page_viewlogs(App &$a){
 	$t = get_markup_template("admin_viewlogs.tpl");
 	$f = get_config('system','logfile');
 	$data = '';
@@ -1980,7 +1980,7 @@ function admin_page_viewlogs(&$a){
  * 
  * @param App $a
  */
-function admin_page_features_post(&$a) {
+function admin_page_features_post(App &$a) {
 
 	check_form_security_token_redirectOnErr('/admin/features', 'admin_manage_features');
 
@@ -2026,7 +2026,7 @@ function admin_page_features_post(&$a) {
  * @param App $a
  * @return string
  */
-function admin_page_features(&$a) {
+function admin_page_features(App &$a) {
 	
 	if((argc() > 1) && (argv(1) === 'features')) {
 		$arr = array();
diff --git a/mod/allfriends.php b/mod/allfriends.php
index e4f067eaf..43490e964 100644
--- a/mod/allfriends.php
+++ b/mod/allfriends.php
@@ -5,7 +5,7 @@ require_once('include/Contact.php');
 require_once('include/contact_selectors.php');
 require_once('mod/contacts.php');
 
-function allfriends_content(&$a) {
+function allfriends_content(App &$a) {
 
 	$o = '';
 	if(! local_user()) {
@@ -19,7 +19,7 @@ function allfriends_content(&$a) {
 	if(! $cid)
 		return;
 
-	$uid = $a->user[uid];
+	$uid = $a->user['uid'];
 
 	$c = q("SELECT `name`, `url`, `photo` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 		intval($cid),
diff --git a/mod/amcd.php b/mod/amcd.php
index a2a1327e6..3fcdb42c8 100644
--- a/mod/amcd.php
+++ b/mod/amcd.php
@@ -1,6 +1,6 @@
 <?php
 
-function amcd_content(&$a) {
+function amcd_content(App &$a) {
 //header("Content-type: text/json");
 echo <<< EOT
 {
diff --git a/mod/api.php b/mod/api.php
index 406ef26c1..b398daac8 100644
--- a/mod/api.php
+++ b/mod/api.php
@@ -20,7 +20,7 @@ function oauth_get_client($request){
 	return $r[0];
 }
 
-function api_post(&$a) {
+function api_post(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
@@ -34,7 +34,7 @@ function api_post(&$a) {
 
 }
 
-function api_content(&$a) {
+function api_content(App &$a) {
 	if ($a->cmd=='api/oauth/authorize'){
 		/*
 		 * api/oauth/authorize interact with the user. return a standard page
diff --git a/mod/apps.php b/mod/apps.php
index a821ef5d5..4d6395e4e 100644
--- a/mod/apps.php
+++ b/mod/apps.php
@@ -1,6 +1,6 @@
 <?php
 
-function apps_content(&$a) {
+function apps_content(App &$a) {
     $privateaddons = get_config('config','private_addons');
       if ($privateaddons === "1") {
 	if((! (local_user())))  {
diff --git a/mod/attach.php b/mod/attach.php
index 94cb75a38..3b1fc0ec8 100644
--- a/mod/attach.php
+++ b/mod/attach.php
@@ -2,7 +2,7 @@
 
 require_once('include/security.php');
 
-function attach_init(&$a) {
+function attach_init(App &$a) {
 
 	if($a->argc != 2) {
 		notice( t('Item not available.') . EOL);
diff --git a/mod/babel.php b/mod/babel.php
index d31e090c5..5129f5bf5 100644
--- a/mod/babel.php
+++ b/mod/babel.php
@@ -9,7 +9,7 @@ function visible_lf($s) {
 	return str_replace("\n",'<br />', $s);
 }
 
-function babel_content(&$a) {
+function babel_content(App &$a) {
 
 	$o .= '<h1>Babel Diagnostic</h1>';
 
diff --git a/mod/bookmarklet.php b/mod/bookmarklet.php
index cb8320013..1d6806943 100644
--- a/mod/bookmarklet.php
+++ b/mod/bookmarklet.php
@@ -3,11 +3,11 @@
 require_once('include/conversation.php');
 require_once('include/items.php');
 
-function bookmarklet_init(&$a) {
+function bookmarklet_init(App &$a) {
 	$_GET["mode"] = "minimal";
 }
 
-function bookmarklet_content(&$a) {
+function bookmarklet_content(App &$a) {
 	if(!local_user()) {
 		$o = '<h2>'.t('Login').'</h2>';
 		$o .= login(($a->config['register_policy'] == REGISTER_CLOSED) ? false : true);
diff --git a/mod/cal.php b/mod/cal.php
index 8b8dbed95..48ba06ed6 100644
--- a/mod/cal.php
+++ b/mod/cal.php
@@ -9,7 +9,7 @@
 require_once('include/event.php');
 require_once('include/redir.php');
 
-function cal_init(&$a) {
+function cal_init(App &$a) {
 	if($a->argc > 1)
 		auto_redir($a, $a->argv[1]);
 
@@ -64,7 +64,7 @@ function cal_init(&$a) {
 	return;
 }
 
-function cal_content(&$a) {
+function cal_content(App &$a) {
 	nav_set_selected('events');
 
 	$editselect = 'none';
diff --git a/mod/cb.php b/mod/cb.php
index 6375d2398..90e41fb6d 100644
--- a/mod/cb.php
+++ b/mod/cb.php
@@ -5,19 +5,19 @@
  */
 
 
-function cb_init(&$a) {
+function cb_init(App &$a) {
 	call_hooks('cb_init');
 }
 
-function cb_post(&$a) {
+function cb_post(App &$a) {
 	call_hooks('cb_post', $_POST);
 }
 
-function cb_afterpost(&$a) {
+function cb_afterpost(App &$a) {
 	call_hooks('cb_afterpost');
 }
 
-function cb_content(&$a) {
+function cb_content(App &$a) {
 	$o = '';
 	call_hooks('cb_content', $o);
 	return $o;
diff --git a/mod/common.php b/mod/common.php
index 9781d1607..e0cd65506 100644
--- a/mod/common.php
+++ b/mod/common.php
@@ -5,7 +5,7 @@ require_once('include/Contact.php');
 require_once('include/contact_selectors.php');
 require_once('mod/contacts.php');
 
-function common_content(&$a) {
+function common_content(App &$a) {
 
 	$o = '';
 
diff --git a/mod/community.php b/mod/community.php
index c8f04d8bd..7a1e72733 100644
--- a/mod/community.php
+++ b/mod/community.php
@@ -1,6 +1,6 @@
 <?php
 
-function community_init(&$a) {
+function community_init(App &$a) {
 	if(! local_user()) {
 		unset($_SESSION['theme']);
 		unset($_SESSION['mobile-theme']);
diff --git a/mod/contactgroup.php b/mod/contactgroup.php
index 0671ff42a..f98d9f4b5 100644
--- a/mod/contactgroup.php
+++ b/mod/contactgroup.php
@@ -2,7 +2,7 @@
 
 require_once('include/group.php');
 
-function contactgroup_content(&$a) {
+function contactgroup_content(App &$a) {
 
 
 	if(! local_user()) {
diff --git a/mod/contacts.php b/mod/contacts.php
index 22e08b8c9..45bd356d4 100644
--- a/mod/contacts.php
+++ b/mod/contacts.php
@@ -7,7 +7,7 @@ require_once('include/Scrape.php');
 require_once('mod/proxy.php');
 require_once('include/Photo.php');
 
-function contacts_init(&$a) {
+function contacts_init(App &$a) {
 	if(! local_user())
 		return;
 
@@ -91,7 +91,7 @@ function contacts_init(&$a) {
 
 }
 
-function contacts_batch_actions(&$a){
+function contacts_batch_actions(App &$a){
 	$contacts_id = $_POST['contact_batch'];
 	if (!is_array($contacts_id)) return;
 
@@ -136,7 +136,7 @@ function contacts_batch_actions(&$a){
 }
 
 
-function contacts_post(&$a) {
+function contacts_post(App &$a) {
 
 	if(! local_user())
 		return;
@@ -339,7 +339,7 @@ function _contact_drop($contact_id, $orig_record) {
 }
 
 
-function contacts_content(&$a) {
+function contacts_content(App &$a) {
 
 	$sort_type = 0;
 	$o = '';
diff --git a/mod/credits.php b/mod/credits.php
index f8cfb03f3..84e32b83d 100644
--- a/mod/credits.php
+++ b/mod/credits.php
@@ -5,7 +5,7 @@
  * addons repository will be listed though ATM)
  */
 
-function credits_content (&$a) {
+function credits_content (App &$a) {
     /* fill the page with credits */
     $f = fopen('util/credits.txt','r');
     $names = fread($f, filesize('util/credits.txt'));
diff --git a/mod/crepair.php b/mod/crepair.php
index 66faadb06..308d5b95e 100644
--- a/mod/crepair.php
+++ b/mod/crepair.php
@@ -2,7 +2,7 @@
 require_once("include/contact_selectors.php");
 require_once("mod/contacts.php");
 
-function crepair_init(&$a) {
+function crepair_init(App &$a) {
 	if(! local_user())
 		return;
 
@@ -30,7 +30,7 @@ function crepair_init(&$a) {
 }
 
 
-function crepair_post(&$a) {
+function crepair_post(App &$a) {
 	if(! local_user())
 		return;
 
@@ -95,7 +95,7 @@ function crepair_post(&$a) {
 
 
 
-function crepair_content(&$a) {
+function crepair_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/delegate.php b/mod/delegate.php
index 94e641068..7dbeef737 100644
--- a/mod/delegate.php
+++ b/mod/delegate.php
@@ -1,12 +1,12 @@
 <?php
 require_once('mod/settings.php');
 
-function delegate_init(&$a) {
+function delegate_init(App &$a) {
 	return settings_init($a);
 }
 
 
-function delegate_content(&$a) {
+function delegate_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/dfrn_notify.php b/mod/dfrn_notify.php
index ca1221158..eebaa076d 100644
--- a/mod/dfrn_notify.php
+++ b/mod/dfrn_notify.php
@@ -11,7 +11,7 @@ require_once('include/event.php');
 
 require_once('library/defuse/php-encryption-1.2.1/Crypto.php');
 
-function dfrn_notify_post(&$a) {
+function dfrn_notify_post(App &$a) {
 	logger(__function__, LOGGER_TRACE);
 	$dfrn_id      = ((x($_POST,'dfrn_id'))      ? notags(trim($_POST['dfrn_id']))   : '');
 	$dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version']    : 2.0);
@@ -221,7 +221,7 @@ function dfrn_notify_post(&$a) {
 }
 
 
-function dfrn_notify_content(&$a) {
+function dfrn_notify_content(App &$a) {
 
 	if(x($_GET,'dfrn_id')) {
 
diff --git a/mod/dfrn_poll.php b/mod/dfrn_poll.php
index 0c55af2a8..f74429e58 100644
--- a/mod/dfrn_poll.php
+++ b/mod/dfrn_poll.php
@@ -4,7 +4,7 @@ require_once('include/auth.php');
 require_once('include/dfrn.php');
 
 
-function dfrn_poll_init(&$a) {
+function dfrn_poll_init(App &$a) {
 
 
 	$dfrn_id         = ((x($_GET,'dfrn_id'))         ? $_GET['dfrn_id']              : '');
@@ -203,7 +203,7 @@ function dfrn_poll_init(&$a) {
 
 
 
-function dfrn_poll_post(&$a) {
+function dfrn_poll_post(App &$a) {
 
 	$dfrn_id      = ((x($_POST,'dfrn_id'))      ? $_POST['dfrn_id']              : '');
 	$challenge    = ((x($_POST,'challenge'))    ? $_POST['challenge']            : '');
@@ -383,7 +383,7 @@ function dfrn_poll_post(&$a) {
 	}
 }
 
-function dfrn_poll_content(&$a) {
+function dfrn_poll_content(App &$a) {
 
 	$dfrn_id         = ((x($_GET,'dfrn_id'))         ? $_GET['dfrn_id']              : '');
 	$type            = ((x($_GET,'type'))            ? $_GET['type']                 : 'data');
diff --git a/mod/dfrn_request.php b/mod/dfrn_request.php
index 14ea0fdd4..d5e8abe90 100644
--- a/mod/dfrn_request.php
+++ b/mod/dfrn_request.php
@@ -17,7 +17,7 @@ require_once('include/Scrape.php');
 require_once('include/Probe.php');
 require_once('include/group.php');
 
-function dfrn_request_init(&$a) {
+function dfrn_request_init(App &$a) {
 
 	if($a->argc > 1)
 		$which = $a->argv[1];
@@ -42,7 +42,7 @@ function dfrn_request_init(&$a) {
  * After logging in, we click 'submit' to approve the linkage.
  *
  */
-function dfrn_request_post(&$a) {
+function dfrn_request_post(App &$a) {
 
 	if(($a->argc != 2) || (! count($a->profile))) {
 		logger('Wrong count of argc or profiles: argc=' . $a->argc . ',profile()=' . count($a->profile));
@@ -654,7 +654,7 @@ function dfrn_request_post(&$a) {
 }
 
 
-function dfrn_request_content(&$a) {
+function dfrn_request_content(App &$a) {
 
 	if (($a->argc != 2) || (! count($a->profile))) {
 		return "";
diff --git a/mod/directory.php b/mod/directory.php
index ddea650de..c702acf37 100644
--- a/mod/directory.php
+++ b/mod/directory.php
@@ -1,6 +1,6 @@
 <?php
 
-function directory_init(&$a) {
+function directory_init(App &$a) {
 	$a->set_pager_itemspage(60);
 
 	if(local_user()) {
@@ -20,14 +20,14 @@ function directory_init(&$a) {
 }
 
 
-function directory_post(&$a) {
+function directory_post(App &$a) {
 	if(x($_POST,'search'))
 		$a->data['search'] = $_POST['search'];
 }
 
 
 
-function directory_content(&$a) {
+function directory_content(App &$a) {
 	global $db;
 
 	require_once("mod/proxy.php");
diff --git a/mod/dirfind.php b/mod/dirfind.php
index 1e3f6f354..80cba1c47 100644
--- a/mod/dirfind.php
+++ b/mod/dirfind.php
@@ -5,7 +5,7 @@ require_once('include/Contact.php');
 require_once('include/contact_selectors.php');
 require_once('mod/contacts.php');
 
-function dirfind_init(&$a) {
+function dirfind_init(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL );
diff --git a/mod/display.php b/mod/display.php
index 6ebe16ae8..c98d936a0 100644
--- a/mod/display.php
+++ b/mod/display.php
@@ -1,6 +1,6 @@
 <?php
 
-function display_init(&$a) {
+function display_init(App &$a) {
 
 	if ((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 		return;
diff --git a/mod/editpost.php b/mod/editpost.php
index eccd498d1..29f3dadff 100644
--- a/mod/editpost.php
+++ b/mod/editpost.php
@@ -2,7 +2,7 @@
 
 require_once('include/acl_selectors.php');
 
-function editpost_content(&$a) {
+function editpost_content(App &$a) {
 
 	$o = '';
 
diff --git a/mod/events.php b/mod/events.php
index bb9cc3c52..bf65ff126 100644
--- a/mod/events.php
+++ b/mod/events.php
@@ -8,11 +8,11 @@ require_once('include/datetime.php');
 require_once('include/event.php');
 require_once('include/items.php');
 
-function events_init(&$a) {
+function events_init(App &$a) {
 	if(! local_user())
 		return;
 
-	if($a->argc == 1) {
+	if ($a->argc == 1) {
 		// if it's a json request abort here becaus we don't
 		// need the widget data
 		if($a->argv[1] === 'json')
@@ -20,8 +20,9 @@ function events_init(&$a) {
 
 		$cal_widget = widget_events();
 
-		if(! x($a->page,'aside'))
+		if (! x($a->page,'aside')) {
 			$a->page['aside'] = '';
+		}
 
 		$a->page['aside'] .= $cal_widget;
 	}
@@ -29,7 +30,7 @@ function events_init(&$a) {
 	return;
 }
 
-function events_post(&$a) {
+function events_post(App &$a) {
 
 	logger('post: ' . print_r($_REQUEST,true));
 
@@ -184,38 +185,41 @@ function events_post(&$a) {
 
 
 
-function events_content(&$a) {
+function events_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
 		return;
 	}
 
-	if($a->argc == 1)
+	if ($a->argc == 1) {
 		$_SESSION['return_url'] = App::get_baseurl() . '/' . $a->cmd;
+	}
 
-	if(($a->argc > 2) && ($a->argv[1] === 'ignore') && intval($a->argv[2])) {
+	if (($a->argc > 2) && ($a->argv[1] === 'ignore') && intval($a->argv[2])) {
 		$r = q("update event set ignore = 1 where id = %d and uid = %d",
 			intval($a->argv[2]),
 			intval(local_user())
 		);
 	}
 
-	if(($a->argc > 2) && ($a->argv[1] === 'unignore') && intval($a->argv[2])) {
+	if (($a->argc > 2) && ($a->argv[1] === 'unignore') && intval($a->argv[2])) {
 		$r = q("update event set ignore = 0 where id = %d and uid = %d",
 			intval($a->argv[2]),
 			intval(local_user())
 		);
 	}
 
-	if ($a->theme_events_in_profile)
+	if ($a->theme_events_in_profile) {
 		nav_set_selected('home');
-	else
+	} else {
 		nav_set_selected('events');
+	}
 
 	$editselect = 'none';
-	if( feature_enabled(local_user(), 'richtext') )
+	if ( feature_enabled(local_user(), 'richtext') ) {
 		$editselect = 'textareas';
+	}
 
 	// get the translation strings for the callendar
 	$i18n = get_event_strings();
diff --git a/mod/fbrowser.php b/mod/fbrowser.php
index 6af97368f..8c54a47ba 100644
--- a/mod/fbrowser.php
+++ b/mod/fbrowser.php
@@ -10,8 +10,7 @@ require_once('include/Photo.php');
 /**
  * @param App $a
  */
-/// @TODO & is missing or App ?
-function fbrowser_content($a){
+function fbrowser_content(App &$a){
 
 	if (!local_user())
 		killme();
diff --git a/mod/fetch.php b/mod/fetch.php
index 04bdf5188..bf27ffb6a 100644
--- a/mod/fetch.php
+++ b/mod/fetch.php
@@ -8,7 +8,7 @@ require_once("include/xml.php");
 
 /// @TODO You always make it like this: function foo(&$a)
 /// @TODO This means that the value of $a can be changed in anything, remove & and use App as type-hint
-function fetch_init(&$a){
+function fetch_init(App &$a){
 
 	if (($a->argc != 3) OR (!in_array($a->argv[1], array("post", "status_message", "reshare")))) {
 		header($_SERVER["SERVER_PROTOCOL"].' 404 '.t('Not Found'));
diff --git a/mod/filer.php b/mod/filer.php
index 4e79f337d..4198502c4 100644
--- a/mod/filer.php
+++ b/mod/filer.php
@@ -5,7 +5,7 @@ require_once('include/bbcode.php');
 require_once('include/items.php');
 
 
-function filer_content(&$a) {
+function filer_content(App &$a) {
 
 	if(! local_user()) {
 		killme();
diff --git a/mod/filerm.php b/mod/filerm.php
index c266082c8..e109ed404 100644
--- a/mod/filerm.php
+++ b/mod/filerm.php
@@ -1,6 +1,6 @@
 <?php
 
-function filerm_content(&$a) {
+function filerm_content(App &$a) {
 
 	if(! local_user()) {
 		killme();
diff --git a/mod/follow.php b/mod/follow.php
index 1f56caea5..d17c874f6 100644
--- a/mod/follow.php
+++ b/mod/follow.php
@@ -5,7 +5,7 @@ require_once('include/follow.php');
 require_once('include/Contact.php');
 require_once('include/contact_selectors.php');
 
-function follow_content(&$a) {
+function follow_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
@@ -149,7 +149,7 @@ function follow_content(&$a) {
 	return $o;
 }
 
-function follow_post(&$a) {
+function follow_post(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/friendica.php b/mod/friendica.php
index 5d8e43e6c..d79c89a6b 100644
--- a/mod/friendica.php
+++ b/mod/friendica.php
@@ -1,6 +1,6 @@
 <?php
 
-function friendica_init(&$a) {
+function friendica_init(App &$a) {
 	if ($a->argv[1]=="json"){
 		$register_policy = Array('REGISTER_CLOSED', 'REGISTER_APPROVE', 'REGISTER_OPEN');
 
@@ -59,7 +59,7 @@ function friendica_init(&$a) {
 
 
 
-function friendica_content(&$a) {
+function friendica_content(App &$a) {
 
 	$o = '';
 	$o .= '<h3>Friendica</h3>';
diff --git a/mod/fsuggest.php b/mod/fsuggest.php
index 4370952ca..9d862848f 100644
--- a/mod/fsuggest.php
+++ b/mod/fsuggest.php
@@ -1,7 +1,7 @@
 <?php
 
 
-function fsuggest_post(&$a) {
+function fsuggest_post(App &$a) {
 
 	if(! local_user()) {
 		return;
@@ -70,7 +70,7 @@ function fsuggest_post(&$a) {
 
 
 
-function fsuggest_content(&$a) {
+function fsuggest_content(App &$a) {
 
 	require_once('include/acl_selectors.php');
 
diff --git a/mod/group.php b/mod/group.php
index c4854a602..db9fe35bc 100644
--- a/mod/group.php
+++ b/mod/group.php
@@ -4,7 +4,7 @@ function validate_members(&$item) {
 	$item = intval($item);
 }
 
-function group_init(&$a) {
+function group_init(App &$a) {
 	if(local_user()) {
 		require_once('include/group.php');
 		$a->page['aside'] = group_side('contacts','group','extended',(($a->argc > 1) ? intval($a->argv[1]) : 0));
@@ -13,7 +13,7 @@ function group_init(&$a) {
 
 
 
-function group_post(&$a) {
+function group_post(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
@@ -65,7 +65,7 @@ function group_post(&$a) {
 	return;
 }
 
-function group_content(&$a) {
+function group_content(App &$a) {
 	$change = false;
 
 	if(! local_user()) {
diff --git a/mod/hcard.php b/mod/hcard.php
index 366986344..1d51ac80e 100644
--- a/mod/hcard.php
+++ b/mod/hcard.php
@@ -1,6 +1,6 @@
 <?php
 
-function hcard_init(&$a) {
+function hcard_init(App &$a) {
 
 	$blocked = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
 
diff --git a/mod/help.php b/mod/help.php
index 722256927..fa574c983 100644
--- a/mod/help.php
+++ b/mod/help.php
@@ -18,7 +18,7 @@ if (!function_exists('load_doc_file')) {
 
 }
 
-function help_content(&$a) {
+function help_content(App &$a) {
 
 	nav_set_selected('help');
 
diff --git a/mod/home.php b/mod/home.php
index 62ee9868f..7289a0fb6 100644
--- a/mod/home.php
+++ b/mod/home.php
@@ -1,7 +1,7 @@
 <?php
 
 if(! function_exists('home_init')) {
-function home_init(&$a) {
+function home_init(App &$a) {
 
 	$ret = array();
 	call_hooks('home_init',$ret);
@@ -17,7 +17,7 @@ function home_init(&$a) {
 
 
 if(! function_exists('home_content')) {
-function home_content(&$a) {
+function home_content(App &$a) {
 
 	$o = '';
 
diff --git a/mod/hostxrd.php b/mod/hostxrd.php
index 647073b05..d41d84480 100644
--- a/mod/hostxrd.php
+++ b/mod/hostxrd.php
@@ -2,7 +2,7 @@
 
 require_once('include/crypto.php');
 
-function hostxrd_init(&$a) {
+function hostxrd_init(App &$a) {
 	header('Access-Control-Allow-Origin: *');
 	header("Content-type: text/xml");
 	$pubkey = get_config('system','site_pubkey');
diff --git a/mod/hovercard.php b/mod/hovercard.php
index 65b75b321..553d5d223 100644
--- a/mod/hovercard.php
+++ b/mod/hovercard.php
@@ -11,7 +11,7 @@
 require_once("include/socgraph.php");
 require_once("include/Contact.php");
 
-function hovercard_init(&$a) {
+function hovercard_init(App &$a) {
 	// Just for testing purposes
 	$_GET["mode"] = "minimal";
 }
diff --git a/mod/ignored.php b/mod/ignored.php
index 4aeeb21e6..446d12a6a 100644
--- a/mod/ignored.php
+++ b/mod/ignored.php
@@ -1,7 +1,7 @@
 <?php
 
 
-function ignored_init(&$a) {
+function ignored_init(App &$a) {
 
 	$ignored = 0;
 
diff --git a/mod/install.php b/mod/install.php
index c5baa17db..92b136c33 100755
--- a/mod/install.php
+++ b/mod/install.php
@@ -4,7 +4,7 @@ require_once "include/Photo.php";
 $install_wizard_pass=1;
 
 
-function install_init(&$a){
+function install_init(App &$a){
 
 	// $baseurl/install/testrwrite to test if rewite in .htaccess is working
 	if ($a->argc==2 && $a->argv[1]=="testrewrite") {
@@ -25,7 +25,7 @@ function install_init(&$a){
 
 }
 
-function install_post(&$a) {
+function install_post(App &$a) {
 	global $install_wizard_pass, $db;
 
 	switch($install_wizard_pass) {
@@ -131,7 +131,7 @@ function get_db_errno() {
 		return mysql_errno();
 }
 
-function install_content(&$a) {
+function install_content(App &$a) {
 
 	global $install_wizard_pass, $db;
 	$o = '';
@@ -560,7 +560,7 @@ function check_imagik(&$checks) {
 
 
 
-function manual_config(&$a) {
+function manual_config(App &$a) {
 	$data = htmlentities($a->data['txt'],ENT_COMPAT,'UTF-8');
 	$o = t('The database configuration file ".htconfig.php" could not be written. Please use the enclosed text to create a configuration file in your web server root.');
 	$o .= "<textarea rows=\"24\" cols=\"80\" >$data</textarea>";
diff --git a/mod/invite.php b/mod/invite.php
index 5964acac4..79b30d6e4 100644
--- a/mod/invite.php
+++ b/mod/invite.php
@@ -9,7 +9,7 @@
 
 require_once('include/email.php');
 
-function invite_post(&$a) {
+function invite_post(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
@@ -95,7 +95,7 @@ function invite_post(&$a) {
 }
 
 
-function invite_content(&$a) {
+function invite_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/item.php b/mod/item.php
index 7bee5f3ea..a665c6ffe 100644
--- a/mod/item.php
+++ b/mod/item.php
@@ -27,7 +27,7 @@ require_once('include/Scrape.php');
 require_once('include/diaspora.php');
 require_once('include/Contact.php');
 
-function item_post(&$a) {
+function item_post(App &$a) {
 
 	if((! local_user()) && (! remote_user()) && (! x($_REQUEST,'commenter')))
 		return;
@@ -1065,7 +1065,7 @@ function item_post_return($baseurl, $api_source, $return_path) {
 
 
 
-function item_content(&$a) {
+function item_content(App &$a) {
 
 	if((! local_user()) && (! remote_user()))
 		return;
diff --git a/mod/like.php b/mod/like.php
index cbab9185e..ff1e238ac 100755
--- a/mod/like.php
+++ b/mod/like.php
@@ -5,7 +5,7 @@ require_once('include/bbcode.php');
 require_once('include/items.php');
 require_once('include/like.php');
 
-function like_content(&$a) {
+function like_content(App &$a) {
 	if(! local_user() && ! remote_user()) {
 		return false;
 	}
diff --git a/mod/localtime.php b/mod/localtime.php
index ce6bf84a1..00a7c5909 100644
--- a/mod/localtime.php
+++ b/mod/localtime.php
@@ -3,7 +3,7 @@
 require_once('include/datetime.php');
 
 
-function localtime_post(&$a) {
+function localtime_post(App &$a) {
 
 	$t = $_REQUEST['time'];
 	if(! $t)
@@ -16,7 +16,7 @@ function localtime_post(&$a) {
 
 }
 
-function localtime_content(&$a) {
+function localtime_content(App &$a) {
 	$t = $_REQUEST['time'];
 	if(! $t)
 		$t = 'now';
diff --git a/mod/lockview.php b/mod/lockview.php
index 68b5d30cf..746df28cd 100644
--- a/mod/lockview.php
+++ b/mod/lockview.php
@@ -1,7 +1,7 @@
 <?php
 
 
-function lockview_content(&$a) {
+function lockview_content(App &$a) {
   
 	$type = (($a->argc > 1) ? $a->argv[1] : 0);
 	if (is_numeric($type)) {
diff --git a/mod/login.php b/mod/login.php
index d09fc1868..db49ba20a 100644
--- a/mod/login.php
+++ b/mod/login.php
@@ -1,6 +1,6 @@
 <?php
 
-function login_content(&$a) {
+function login_content(App &$a) {
 	if(x($_SESSION,'theme'))
 		unset($_SESSION['theme']);
 	if(x($_SESSION,'mobile-theme'))
diff --git a/mod/lostpass.php b/mod/lostpass.php
index 92e64f7e2..3174bcd0e 100644
--- a/mod/lostpass.php
+++ b/mod/lostpass.php
@@ -4,7 +4,7 @@ require_once('include/email.php');
 require_once('include/enotify.php');
 require_once('include/text.php');
 
-function lostpass_post(&$a) {
+function lostpass_post(App &$a) {
 
 	$loginame = notags(trim($_POST['login-name']));
 	if(! $loginame)
@@ -77,7 +77,7 @@ function lostpass_post(&$a) {
 }
 
 
-function lostpass_content(&$a) {
+function lostpass_content(App &$a) {
 
 
 	if(x($_GET,'verify')) {
diff --git a/mod/maintenance.php b/mod/maintenance.php
index 3d21ce40b..ce432f930 100644
--- a/mod/maintenance.php
+++ b/mod/maintenance.php
@@ -1,6 +1,6 @@
 <?php
 
-function maintenance_content(&$a) {
+function maintenance_content(App &$a) {
 	header('HTTP/1.1 503 Service Temporarily Unavailable');
 	header('Status: 503 Service Temporarily Unavailable');
 	header('Retry-After: 600');
diff --git a/mod/manage.php b/mod/manage.php
index 2138595be..3eecfbb71 100644
--- a/mod/manage.php
+++ b/mod/manage.php
@@ -3,7 +3,7 @@
 require_once("include/text.php");
 
 
-function manage_post(&$a) {
+function manage_post(App &$a) {
 
 	if(! local_user())
 		return;
@@ -91,7 +91,7 @@ function manage_post(&$a) {
 
 
 
-function manage_content(&$a) {
+function manage_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/match.php b/mod/match.php
index 69bf3c110..cdf2f8eac 100644
--- a/mod/match.php
+++ b/mod/match.php
@@ -13,7 +13,7 @@ require_once('mod/proxy.php');
  * @param App &$a
  * @return void|string
  */
-function match_content(&$a) {
+function match_content(App &$a) {
 
 	$o = '';
 	if(! local_user())
diff --git a/mod/message.php b/mod/message.php
index b0d0ba95c..0191eab0c 100644
--- a/mod/message.php
+++ b/mod/message.php
@@ -4,7 +4,7 @@ require_once('include/acl_selectors.php');
 require_once('include/message.php');
 require_once('include/Smilies.php');
 
-function message_init(&$a) {
+function message_init(App &$a) {
 
 	$tabs = '';
 
@@ -40,7 +40,7 @@ function message_init(&$a) {
 
 }
 
-function message_post(&$a) {
+function message_post(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
@@ -173,7 +173,7 @@ function item_redir_and_replace_images($body, $images, $cid) {
 
 
 
-function message_content(&$a) {
+function message_content(App &$a) {
 
 	$o = '';
 	nav_set_selected('messages');
@@ -364,7 +364,7 @@ function message_content(&$a) {
 
 	$_SESSION['return_url'] = $a->query_string;
 
-	if($a->argc == 1) {
+	if ($a->argc == 1) {
 
 		// List messages
 
diff --git a/mod/modexp.php b/mod/modexp.php
index 3729e3236..5fc701290 100644
--- a/mod/modexp.php
+++ b/mod/modexp.php
@@ -2,7 +2,7 @@
 
 require_once('library/asn1.php');
 
-function modexp_init(&$a) {
+function modexp_init(App &$a) {
 
 	if($a->argc != 2)
 		killme();
diff --git a/mod/mood.php b/mod/mood.php
index e378b9d0a..e98c16108 100644
--- a/mod/mood.php
+++ b/mod/mood.php
@@ -5,7 +5,7 @@ require_once('include/bbcode.php');
 require_once('include/items.php');
 
 
-function mood_init(&$a) {
+function mood_init(App &$a) {
 
 	if(! local_user())
 		return;
@@ -108,7 +108,7 @@ function mood_init(&$a) {
 
 
 
-function mood_content(&$a) {
+function mood_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/msearch.php b/mod/msearch.php
index ba7a92d64..4b5205ac0 100644
--- a/mod/msearch.php
+++ b/mod/msearch.php
@@ -1,6 +1,6 @@
 <?php
 
-function msearch_post(&$a) {
+function msearch_post(App &$a) {
 
 	$perpage = (($_POST['n']) ? $_POST['n'] : 80);
 	$page = (($_POST['p']) ? intval($_POST['p'] - 1) : 0);
diff --git a/mod/navigation.php b/mod/navigation.php
index cba950a43..d69c76a84 100644
--- a/mod/navigation.php
+++ b/mod/navigation.php
@@ -2,7 +2,7 @@
 
 require_once("include/nav.php");
 
-function navigation_content(&$a) {
+function navigation_content(App &$a) {
 
 	$nav_info = nav_info($a);
 
diff --git a/mod/network.php b/mod/network.php
index c040a547a..dde3a3bae 100644
--- a/mod/network.php
+++ b/mod/network.php
@@ -1,5 +1,5 @@
 <?php
-function network_init(&$a) {
+function network_init(App &$a) {
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
 		return;
@@ -222,7 +222,7 @@ function saved_searches($search) {
  *
  * @return Array ( $no_active, $comment_active, $postord_active, $conv_active, $new_active, $starred_active, $bookmarked_active, $spam_active );
  */
-function network_query_get_sel_tab($a) {
+function network_query_get_sel_tab(App &$a) {
 	$no_active='';
 	$starred_active = '';
 	$new_active = '';
@@ -293,7 +293,7 @@ function network_query_get_sel_net() {
 	return $network;
 }
 
-function network_query_get_sel_group($a) {
+function network_query_get_sel_group(App &$a) {
 	$group = false;
 
 	if($a->argc >= 2 && is_numeric($a->argv[1])) {
@@ -810,7 +810,7 @@ function network_content(&$a, $update = 0) {
  * @param app $a The global App
  * @return string Html of the networktab
  */
-function network_tabs($a) {
+function network_tabs(App &$a) {
 	// item filter tabs
 	/// @TODO fix this logic, reduce duplication
 	/// $a->page['content'] .= '<div class="tabs-wrapper">';
diff --git a/mod/newmember.php b/mod/newmember.php
index aa55c3a09..1ef098506 100644
--- a/mod/newmember.php
+++ b/mod/newmember.php
@@ -1,6 +1,6 @@
 <?php
 
-function newmember_content(&$a) {
+function newmember_content(App &$a) {
 
 
 	$o = '<h1>' . t('Welcome to Friendica') . '</h1>';
diff --git a/mod/nodeinfo.php b/mod/nodeinfo.php
index e55dba128..104fecb75 100644
--- a/mod/nodeinfo.php
+++ b/mod/nodeinfo.php
@@ -7,7 +7,7 @@
 
 require_once("include/plugin.php");
 
-function nodeinfo_wellknown(&$a) {
+function nodeinfo_wellknown(App &$a) {
 	if (!get_config("system", "nodeinfo")) {
 		http_status_exit(404);
 		killme();
@@ -20,7 +20,7 @@ function nodeinfo_wellknown(&$a) {
 	exit;
 }
 
-function nodeinfo_init(&$a){
+function nodeinfo_init(App &$a){
 	if (!get_config("system", "nodeinfo")) {
 		http_status_exit(404);
 		killme();
diff --git a/mod/nogroup.php b/mod/nogroup.php
index 0a014c067..3cf02069d 100644
--- a/mod/nogroup.php
+++ b/mod/nogroup.php
@@ -4,7 +4,7 @@ require_once('include/Contact.php');
 require_once('include/socgraph.php');
 require_once('include/contact_selectors.php');
 
-function nogroup_init(&$a) {
+function nogroup_init(App &$a) {
 
 	if(! local_user())
 		return;
@@ -19,7 +19,7 @@ function nogroup_init(&$a) {
 }
 
 
-function nogroup_content(&$a) {
+function nogroup_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/noscrape.php b/mod/noscrape.php
index 98d491bca..f1370167c 100644
--- a/mod/noscrape.php
+++ b/mod/noscrape.php
@@ -1,6 +1,6 @@
 <?php
 
-function noscrape_init(&$a) {
+function noscrape_init(App &$a) {
 
 	if($a->argc > 1)
 		$which = $a->argv[1];
diff --git a/mod/notes.php b/mod/notes.php
index 74ab18a6f..f50f41eaf 100644
--- a/mod/notes.php
+++ b/mod/notes.php
@@ -1,6 +1,6 @@
 <?php
 
-function notes_init(&$a) {
+function notes_init(App &$a) {
 
 	if(! local_user())
 		return;
diff --git a/mod/notice.php b/mod/notice.php
index 71c4977be..e338d8752 100644
--- a/mod/notice.php
+++ b/mod/notice.php
@@ -1,7 +1,7 @@
 <?php
 	/* identi.ca -> friendica items permanent-url compatibility */
 	
-	function notice_init(&$a){
+	function notice_init(App &$a){
 		$id = $a->argv[1];
 		$r = q("SELECT user.nickname FROM user LEFT JOIN item ON item.uid=user.uid WHERE item.id=%d",
 				intval($id)
diff --git a/mod/notifications.php b/mod/notifications.php
index 3e0bd9cc4..e7f32a587 100644
--- a/mod/notifications.php
+++ b/mod/notifications.php
@@ -9,7 +9,7 @@ require_once("include/NotificationsManager.php");
 require_once("include/contact_selectors.php");
 require_once("include/network.php");
 
-function notifications_post(&$a) {
+function notifications_post(App &$a) {
 
 	if(! local_user()) {
 		goaway(z_root());
@@ -65,7 +65,7 @@ function notifications_post(&$a) {
 	}
 }
 
-function notifications_content(&$a) {
+function notifications_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/notify.php b/mod/notify.php
index 092639735..cd836dada 100644
--- a/mod/notify.php
+++ b/mod/notify.php
@@ -2,7 +2,7 @@
 require_once('include/NotificationsManager.php');
 
 
-function notify_init(&$a) {
+function notify_init(App &$a) {
 	if(! local_user()) return;
 	$nm = new NotificationsManager();
 		
@@ -36,7 +36,7 @@ function notify_init(&$a) {
 
 }
 
-function notify_content(&$a) {
+function notify_content(App &$a) {
 	if(! local_user()) return login();
 
 	$nm = new NotificationsManager();
diff --git a/mod/oembed.php b/mod/oembed.php
index cb478cb86..1d6e6145c 100644
--- a/mod/oembed.php
+++ b/mod/oembed.php
@@ -1,7 +1,7 @@
 <?php
 require_once("include/oembed.php");
 
-function oembed_content(&$a){
+function oembed_content(App &$a){
 	// logger('mod_oembed ' . $a->query_string, LOGGER_ALL);
 
 	if ($a->argv[1]=='b2h'){
diff --git a/mod/oexchange.php b/mod/oexchange.php
index b25c418e4..83b9453f2 100644
--- a/mod/oexchange.php
+++ b/mod/oexchange.php
@@ -1,7 +1,7 @@
 <?php
 
 
-function oexchange_init(&$a) {
+function oexchange_init(App &$a) {
 
 	if(($a->argc > 1) && ($a->argv[1] === 'xrd')) {
 		$tpl = get_markup_template('oexchange_xrd.tpl');
@@ -14,7 +14,7 @@ function oexchange_init(&$a) {
 
 }
 
-function oexchange_content(&$a) {
+function oexchange_content(App &$a) {
 
 	if(! local_user()) {
 		$o = login(false);
diff --git a/mod/openid.php b/mod/openid.php
index 9ee187767..e14b5f82d 100644
--- a/mod/openid.php
+++ b/mod/openid.php
@@ -4,7 +4,7 @@
 require_once('library/openid.php');
 
 
-function openid_content(&$a) {
+function openid_content(App &$a) {
 
 	$noid = get_config('system','no_openid');
 	if($noid)
diff --git a/mod/opensearch.php b/mod/opensearch.php
index 50ecc4e69..1a7d4cd30 100644
--- a/mod/opensearch.php
+++ b/mod/opensearch.php
@@ -1,5 +1,5 @@
 <?php
-    function opensearch_content(&$a) {
+    function opensearch_content(App &$a) {
     	
 		$tpl = get_markup_template('opensearch.tpl');
 	
diff --git a/mod/ostatus_subscribe.php b/mod/ostatus_subscribe.php
index 2e09bfc0d..55abdf183 100644
--- a/mod/ostatus_subscribe.php
+++ b/mod/ostatus_subscribe.php
@@ -3,7 +3,7 @@
 require_once('include/Scrape.php');
 require_once('include/follow.php');
 
-function ostatus_subscribe_content(&$a) {
+function ostatus_subscribe_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/parse_url.php b/mod/parse_url.php
index 410e08773..44cf80935 100644
--- a/mod/parse_url.php
+++ b/mod/parse_url.php
@@ -19,7 +19,7 @@ use \Friendica\ParseUrl;
 
 require_once("include/items.php");
 
-function parse_url_content(&$a) {
+function parse_url_content(App &$a) {
 
 	$text = null;
 	$str_tags = "";
diff --git a/mod/photo.php b/mod/photo.php
index a94a3ac2c..9744b9f23 100644
--- a/mod/photo.php
+++ b/mod/photo.php
@@ -3,7 +3,7 @@
 require_once('include/security.php');
 require_once('include/Photo.php');
 
-function photo_init(&$a) {
+function photo_init(App &$a) {
 	global $_SERVER;
 
 	$prvcachecontrol = false;
diff --git a/mod/photos.php b/mod/photos.php
index 5b402746a..94ddb91dd 100644
--- a/mod/photos.php
+++ b/mod/photos.php
@@ -10,7 +10,7 @@ require_once('include/tags.php');
 require_once('include/threads.php');
 require_once('include/Probe.php');
 
-function photos_init(&$a) {
+function photos_init(App &$a) {
 
 	if ($a->argc > 1)
 		auto_redir($a, $a->argv[1]);
@@ -112,7 +112,7 @@ function photos_init(&$a) {
 
 
 
-function photos_post(&$a) {
+function photos_post(App &$a) {
 
 	logger('mod-photos: photos_post: begin' , LOGGER_DEBUG);
 
@@ -928,7 +928,7 @@ function photos_post(&$a) {
 
 
 
-function photos_content(&$a) {
+function photos_content(App &$a) {
 
 	// URLs:
 	// photos/name
diff --git a/mod/poco.php b/mod/poco.php
index e454d1e66..787776b90 100644
--- a/mod/poco.php
+++ b/mod/poco.php
@@ -2,7 +2,7 @@
 // See here for a documentation for portable contacts:
 // https://web.archive.org/web/20160405005550/http://portablecontacts.net/draft-spec.html
 
-function poco_init(&$a) {
+function poco_init(App &$a) {
 	require_once("include/bbcode.php");
 
 	$system_mode = false;
diff --git a/mod/poke.php b/mod/poke.php
index fea5c0c0d..cc6d4ff89 100644
--- a/mod/poke.php
+++ b/mod/poke.php
@@ -19,7 +19,7 @@ require_once('include/bbcode.php');
 require_once('include/items.php');
 
 
-function poke_init(&$a) {
+function poke_init(App &$a) {
 
 	if(! local_user())
 		return;
@@ -144,7 +144,7 @@ function poke_init(&$a) {
 
 
 
-function poke_content(&$a) {
+function poke_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/post.php b/mod/post.php
index a8d345ecb..076587839 100644
--- a/mod/post.php
+++ b/mod/post.php
@@ -10,11 +10,11 @@ require_once('include/crypto.php');
 // not yet ready for prime time
 //require_once('include/zot.php');
 	
-function post_post(&$a) {
+function post_post(App &$a) {
 
 	$bulk_delivery = false;
 
-	if($a->argc == 1) {
+	if ($a->argc == 1) {
 		$bulk_delivery = true;
 	}
 	else {
diff --git a/mod/pretheme.php b/mod/pretheme.php
index 4584cb29e..694fd5ba2 100644
--- a/mod/pretheme.php
+++ b/mod/pretheme.php
@@ -1,6 +1,6 @@
 <?php
 
-function pretheme_init(&$a) {
+function pretheme_init(App &$a) {
 	
 	if($_REQUEST['theme']) {
 		$theme = $_REQUEST['theme'];
diff --git a/mod/probe.php b/mod/probe.php
index c95db291b..c368a50f5 100644
--- a/mod/probe.php
+++ b/mod/probe.php
@@ -2,7 +2,7 @@
 
 require_once('include/Scrape.php');
 
-function probe_content(&$a) {
+function probe_content(App &$a) {
 
 	$o .= '<h3>Probe Diagnostic</h3>';
 
diff --git a/mod/profile.php b/mod/profile.php
index 20206c733..b7756453f 100644
--- a/mod/profile.php
+++ b/mod/profile.php
@@ -4,7 +4,7 @@ require_once('include/contact_widgets.php');
 require_once('include/redir.php');
 
 
-function profile_init(&$a) {
+function profile_init(App &$a) {
 
 	if(! x($a->page,'aside'))
 		$a->page['aside'] = '';
diff --git a/mod/profile_photo.php b/mod/profile_photo.php
index 371effd0c..52cf6d26f 100644
--- a/mod/profile_photo.php
+++ b/mod/profile_photo.php
@@ -2,7 +2,7 @@
 
 require_once("include/Photo.php");
 
-function profile_photo_init(&$a) {
+function profile_photo_init(App &$a) {
 
 	if(! local_user()) {
 		return;
@@ -13,7 +13,7 @@ function profile_photo_init(&$a) {
 }
 
 
-function profile_photo_post(&$a) {
+function profile_photo_post(App &$a) {
 
 	if(! local_user()) {
 		notice ( t('Permission denied.') . EOL );
@@ -169,7 +169,7 @@ function profile_photo_post(&$a) {
 
 
 if(! function_exists('profile_photo_content')) {
-function profile_photo_content(&$a) {
+function profile_photo_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL );
diff --git a/mod/profiles.php b/mod/profiles.php
index 44067032e..186d7a615 100644
--- a/mod/profiles.php
+++ b/mod/profiles.php
@@ -2,7 +2,7 @@
 require_once("include/Contact.php");
 require_once('include/Probe.php');
 
-function profiles_init(&$a) {
+function profiles_init(App &$a) {
 
 	nav_set_selected('profiles');
 
@@ -160,7 +160,7 @@ function profile_clean_keywords($keywords) {
 	return $keywords;
 }
 
-function profiles_post(&$a) {
+function profiles_post(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
@@ -599,7 +599,7 @@ function profile_activity($changed, $value) {
 }
 
 
-function profiles_content(&$a) {
+function profiles_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/profperm.php b/mod/profperm.php
index aa610d3a9..694e2f4db 100644
--- a/mod/profperm.php
+++ b/mod/profperm.php
@@ -1,6 +1,6 @@
 <?php
 
-function profperm_init(&$a) {
+function profperm_init(App &$a) {
 
 	if(! local_user())
 		return;
@@ -13,7 +13,7 @@ function profperm_init(&$a) {
 }
 
 
-function profperm_content(&$a) {
+function profperm_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied') . EOL);
diff --git a/mod/pubsub.php b/mod/pubsub.php
index ea7e1000b..308e237d5 100644
--- a/mod/pubsub.php
+++ b/mod/pubsub.php
@@ -26,7 +26,7 @@ function hub_post_return() {
 
 
 
-function pubsub_init(&$a) {
+function pubsub_init(App &$a) {
 
 	$nick       = (($a->argc > 1) ? notags(trim($a->argv[1])) : '');
 	$contact_id = (($a->argc > 2) ? intval($a->argv[2])       : 0 );
@@ -98,7 +98,7 @@ function pubsub_init(&$a) {
 
 require_once('include/security.php');
 
-function pubsub_post(&$a) {
+function pubsub_post(App &$a) {
 
 	$xml = file_get_contents('php://input');
 
diff --git a/mod/pubsubhubbub.php b/mod/pubsubhubbub.php
index bfe553c44..a6c36631a 100644
--- a/mod/pubsubhubbub.php
+++ b/mod/pubsubhubbub.php
@@ -4,7 +4,7 @@ function post_var($name) {
 	return (x($_POST, $name)) ? notags(trim($_POST[$name])) : '';
 }
 
-function pubsubhubbub_init(&$a) {
+function pubsubhubbub_init(App &$a) {
 	// PuSH subscription must be considered "public" so just block it
 	// if public access isn't enabled.
 	if (get_config('system', 'block_public')) {
diff --git a/mod/qsearch.php b/mod/qsearch.php
index a440ea708..b42b1cfd8 100644
--- a/mod/qsearch.php
+++ b/mod/qsearch.php
@@ -1,6 +1,6 @@
 <?php
 
-function qsearch_init(&$a) {
+function qsearch_init(App &$a) {
 
 	if(! local_user())
 		killme();
diff --git a/mod/randprof.php b/mod/randprof.php
index 877bf818b..bf9fa3425 100644
--- a/mod/randprof.php
+++ b/mod/randprof.php
@@ -1,7 +1,7 @@
 <?php
 
 
-function randprof_init(&$a) {
+function randprof_init(App &$a) {
 	require_once('include/Contact.php');
 	$x = random_profile();
 	if($x)
diff --git a/mod/receive.php b/mod/receive.php
index 99e3648e9..90dcc0528 100644
--- a/mod/receive.php
+++ b/mod/receive.php
@@ -10,7 +10,7 @@ require_once('include/crypto.php');
 require_once('include/diaspora.php');
 
 
-function receive_post(&$a) {
+function receive_post(App &$a) {
 
 
 	$enabled = intval(get_config('system','diaspora_enabled'));
diff --git a/mod/redir.php b/mod/redir.php
index 5dc5ad372..e58158027 100644
--- a/mod/redir.php
+++ b/mod/redir.php
@@ -1,6 +1,6 @@
 <?php
 
-function redir_init(&$a) {
+function redir_init(App &$a) {
 
 	$url = ((x($_GET,'url')) ? $_GET['url'] : '');
 	$quiet = ((x($_GET,'quiet')) ? '&quiet=1' : '');
diff --git a/mod/register.php b/mod/register.php
index 36ca18948..dd953de35 100644
--- a/mod/register.php
+++ b/mod/register.php
@@ -5,7 +5,7 @@ require_once('include/bbcode.php');
 require_once('include/user.php');
 
 if(! function_exists('register_post')) {
-function register_post(&$a) {
+function register_post(App &$a) {
 
 	global $lang;
 
@@ -172,7 +172,7 @@ function register_post(&$a) {
 
 
 if(! function_exists('register_content')) {
-function register_content(&$a) {
+function register_content(App &$a) {
 
 	// logged in users can register others (people/pages/groups)
 	// even with closed registrations, unless specifically prohibited by site policy.
diff --git a/mod/regmod.php b/mod/regmod.php
index 7b99181dd..d20383ba5 100644
--- a/mod/regmod.php
+++ b/mod/regmod.php
@@ -96,7 +96,7 @@ function user_deny($hash) {
 
 }
 
-function regmod_content(&$a) {
+function regmod_content(App &$a) {
 
 	global $lang;
 
diff --git a/mod/removeme.php b/mod/removeme.php
index b7043f37b..b7bdaa940 100644
--- a/mod/removeme.php
+++ b/mod/removeme.php
@@ -1,6 +1,6 @@
 <?php
 
-function removeme_post(&$a) {
+function removeme_post(App &$a) {
 
 	if (! local_user()) {
 		return;
@@ -32,7 +32,7 @@ function removeme_post(&$a) {
 
 }
 
-function removeme_content(&$a) {
+function removeme_content(App &$a) {
 
 	if (! local_user()) {
 		goaway(z_root());
diff --git a/mod/repair_ostatus.php b/mod/repair_ostatus.php
index 7a454a4ae..2ade3c2dc 100755
--- a/mod/repair_ostatus.php
+++ b/mod/repair_ostatus.php
@@ -3,7 +3,7 @@
 require_once('include/Scrape.php');
 require_once('include/follow.php');
 
-function repair_ostatus_content(&$a) {
+function repair_ostatus_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/rsd_xml.php b/mod/rsd_xml.php
index 6257adc1b..13c84c3fc 100644
--- a/mod/rsd_xml.php
+++ b/mod/rsd_xml.php
@@ -2,7 +2,7 @@
 
 
 
-function rsd_xml_content(&$a) {
+function rsd_xml_content(App &$a) {
 	header ("Content-Type: text/xml");
 	echo '<?xml version="1.0" encoding="UTF-8"?>
  <rsd version="1.0" xmlns="http://archipelago.phrasewise.com/rsd">
diff --git a/mod/salmon.php b/mod/salmon.php
index ff5856a94..6c3aea211 100644
--- a/mod/salmon.php
+++ b/mod/salmon.php
@@ -19,7 +19,7 @@ function salmon_return($val) {
 
 }
 
-function salmon_post(&$a) {
+function salmon_post(App &$a) {
 
 	$xml = file_get_contents('php://input');
 
diff --git a/mod/search.php b/mod/search.php
index c19bb2767..3a2537626 100644
--- a/mod/search.php
+++ b/mod/search.php
@@ -43,7 +43,7 @@ function search_saved_searches() {
 }
 
 
-function search_init(&$a) {
+function search_init(App &$a) {
 
 	$search = ((x($_GET,'search')) ? notags(trim(rawurldecode($_GET['search']))) : '');
 
@@ -81,13 +81,13 @@ function search_init(&$a) {
 
 
 
-function search_post(&$a) {
+function search_post(App &$a) {
 	if(x($_POST,'search'))
 		$a->data['search'] = $_POST['search'];
 }
 
 
-function search_content(&$a) {
+function search_content(App &$a) {
 
 	if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 		notice( t('Public access denied.') . EOL);
diff --git a/mod/settings.php b/mod/settings.php
index 3ea4d7acf..0d052cc1b 100644
--- a/mod/settings.php
+++ b/mod/settings.php
@@ -16,7 +16,7 @@ function get_theme_config_file($theme){
 	return null;
 }
 
-function settings_init(&$a) {
+function settings_init(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Permission denied.') . EOL );
@@ -116,7 +116,7 @@ function settings_init(&$a) {
 }
 
 
-function settings_post(&$a) {
+function settings_post(App &$a) {
 
 	if(! local_user())
 		return;
@@ -652,7 +652,7 @@ function settings_post(&$a) {
 }
 
 
-function settings_content(&$a) {
+function settings_content(App &$a) {
 
 	$o = '';
 	nav_set_selected('settings');
diff --git a/mod/share.php b/mod/share.php
index 0a34c6fc5..f2e016708 100644
--- a/mod/share.php
+++ b/mod/share.php
@@ -1,5 +1,5 @@
 <?php
-function share_init(&$a) {
+function share_init(App &$a) {
 
 	$post_id = (($a->argc > 1) ? intval($a->argv[1]) : 0);
 	if((! $post_id) || (! local_user()))
diff --git a/mod/smilies.php b/mod/smilies.php
index 573cf17c8..8e04d5d05 100644
--- a/mod/smilies.php
+++ b/mod/smilies.php
@@ -6,7 +6,7 @@
 
 require_once("include/Smilies.php");
 
-function smilies_content(&$a) {
+function smilies_content(App &$a) {
 	if ($a->argv[1]==="json"){
 		$tmp = Smilies::get_list();
 		$results = array();
diff --git a/mod/starred.php b/mod/starred.php
index 0e5e75d16..f3fc5870e 100644
--- a/mod/starred.php
+++ b/mod/starred.php
@@ -1,7 +1,7 @@
 <?php
 
 
-function starred_init(&$a) {
+function starred_init(App &$a) {
 
 	require_once("include/threads.php");
 
diff --git a/mod/statistics_json.php b/mod/statistics_json.php
index 21a9a0521..2f2adaafe 100644
--- a/mod/statistics_json.php
+++ b/mod/statistics_json.php
@@ -5,7 +5,7 @@
 
 require_once("include/plugin.php");
 
-function statistics_json_init(&$a) {
+function statistics_json_init(App &$a) {
 
         if (!get_config("system", "nodeinfo")) {
                 http_status_exit(404);
diff --git a/mod/subthread.php b/mod/subthread.php
index 66072bcc8..02b1482c3 100644
--- a/mod/subthread.php
+++ b/mod/subthread.php
@@ -5,7 +5,7 @@ require_once('include/bbcode.php');
 require_once('include/items.php');
 
 
-function subthread_content(&$a) {
+function subthread_content(App &$a) {
 
 	if(! local_user() && ! remote_user()) {
 		return;
diff --git a/mod/suggest.php b/mod/suggest.php
index 73f5ffe4b..514b8f83c 100644
--- a/mod/suggest.php
+++ b/mod/suggest.php
@@ -4,7 +4,7 @@ require_once('include/socgraph.php');
 require_once('include/contact_widgets.php');
 
 
-function suggest_init(&$a) {
+function suggest_init(App &$a) {
 	if(! local_user())
 		return;
 
@@ -49,7 +49,7 @@ function suggest_init(&$a) {
 
 
 
-function suggest_content(&$a) {
+function suggest_content(App &$a) {
 
 	require_once("mod/proxy.php");
 
diff --git a/mod/tagger.php b/mod/tagger.php
index d44288ef0..4d93047e2 100644
--- a/mod/tagger.php
+++ b/mod/tagger.php
@@ -5,7 +5,7 @@ require_once('include/bbcode.php');
 require_once('include/items.php');
 
 
-function tagger_content(&$a) {
+function tagger_content(App &$a) {
 
 	if(! local_user() && ! remote_user()) {
 		return;
diff --git a/mod/tagrm.php b/mod/tagrm.php
index d6e57d36a..5c87d0ce2 100644
--- a/mod/tagrm.php
+++ b/mod/tagrm.php
@@ -2,7 +2,7 @@
 
 require_once('include/bbcode.php');
 
-function tagrm_post(&$a) {
+function tagrm_post(App &$a) {
 
 	if(! local_user())
 		goaway(App::get_baseurl() . '/' . $_SESSION['photo_return']);
@@ -48,7 +48,7 @@ function tagrm_post(&$a) {
 
 
 
-function tagrm_content(&$a) {
+function tagrm_content(App &$a) {
 
 	$o = '';
 
diff --git a/mod/toggle_mobile.php b/mod/toggle_mobile.php
index dbf0eb0f1..6c3651393 100644
--- a/mod/toggle_mobile.php
+++ b/mod/toggle_mobile.php
@@ -1,6 +1,6 @@
 <?php
 
-function toggle_mobile_init(&$a) {
+function toggle_mobile_init(App &$a) {
 
 	if(isset($_GET['off']))
 		$_SESSION['show-mobile'] = false;
diff --git a/mod/uexport.php b/mod/uexport.php
index d9bd5ae01..e98449a87 100644
--- a/mod/uexport.php
+++ b/mod/uexport.php
@@ -1,6 +1,6 @@
 <?php
 
-function uexport_init(&$a){
+function uexport_init(App &$a){
 	if(! local_user())
 		killme();
 
@@ -8,7 +8,7 @@ function uexport_init(&$a){
         settings_init($a);
 }
 
-function uexport_content(&$a){
+function uexport_content(App &$a){
 
     if ($a->argc > 1) {
         header("Content-type: application/json");
@@ -122,7 +122,7 @@ function uexport_account($a){
 /**
  * echoes account data and items as separated json, one per line
  */
-function uexport_all(&$a) {
+function uexport_all(App &$a) {
 
 	uexport_account($a);
 	echo "\n";
diff --git a/mod/uimport.php b/mod/uimport.php
index 7ed5648d9..15bc8322b 100644
--- a/mod/uimport.php
+++ b/mod/uimport.php
@@ -1,11 +1,12 @@
 <?php
 /**
  * View for user import
+ * @TODO This file has DOS line endings!
  */
 
 require_once("include/uimport.php");
 
-function uimport_post(&$a) {
+function uimport_post(App &$a) {
 	switch($a->config['register_policy']) {
         case REGISTER_OPEN:
             $blocked = 0;
@@ -35,7 +36,7 @@ function uimport_post(&$a) {
     }
 }
 
-function uimport_content(&$a) {
+function uimport_content(App &$a) {
 	
 	if((! local_user()) && ($a->config['register_policy'] == REGISTER_CLOSED)) {
 		notice("Permission denied." . EOL);
diff --git a/mod/update_community.php b/mod/update_community.php
index d5df7ba3b..179e9c61c 100644
--- a/mod/update_community.php
+++ b/mod/update_community.php
@@ -4,7 +4,7 @@
 
 require_once("mod/community.php");
 
-function update_community_content(&$a) {
+function update_community_content(App &$a) {
 
 	header("Content-type: text/html");
 	echo "<!DOCTYPE html><html><body>\r\n";
diff --git a/mod/update_display.php b/mod/update_display.php
index bd2a52934..230bbaa0b 100644
--- a/mod/update_display.php
+++ b/mod/update_display.php
@@ -5,7 +5,7 @@
 require_once("mod/display.php");
 require_once("include/group.php");
 
-function update_display_content(&$a) {
+function update_display_content(App &$a) {
 
 	$profile_uid = intval($_GET["p"]);
 
diff --git a/mod/update_network.php b/mod/update_network.php
index 258d03e32..c6d33132c 100644
--- a/mod/update_network.php
+++ b/mod/update_network.php
@@ -5,7 +5,7 @@
 require_once("mod/network.php");
 require_once("include/group.php");
 
-function update_network_content(&$a) {
+function update_network_content(App &$a) {
 
 	$profile_uid = intval($_GET["p"]);
 
diff --git a/mod/update_notes.php b/mod/update_notes.php
index ee9d1d71f..b21f69805 100644
--- a/mod/update_notes.php
+++ b/mod/update_notes.php
@@ -7,7 +7,7 @@
 
 require_once("mod/notes.php");
 
-function update_notes_content(&$a) {
+function update_notes_content(App &$a) {
 
 	$profile_uid = intval($_GET["p"]);
 
diff --git a/mod/update_profile.php b/mod/update_profile.php
index 1bc29d82c..e16b0b5cc 100644
--- a/mod/update_profile.php
+++ b/mod/update_profile.php
@@ -7,7 +7,7 @@
 
 require_once("mod/profile.php");
 
-function update_profile_content(&$a) {
+function update_profile_content(App &$a) {
 
 	$profile_uid = intval($_GET["p"]);
 
diff --git a/mod/videos.php b/mod/videos.php
index 92e5fe554..eb5a2cee4 100644
--- a/mod/videos.php
+++ b/mod/videos.php
@@ -6,7 +6,7 @@ require_once('include/security.php');
 require_once('include/redir.php');
 
 
-function videos_init(&$a) {
+function videos_init(App &$a) {
 
 	if($a->argc > 1)
 		auto_redir($a, $a->argv[1]);
@@ -102,7 +102,7 @@ function videos_init(&$a) {
 
 
 
-function videos_post(&$a) {
+function videos_post(App &$a) {
 
 	$owner_uid = $a->data['user']['uid'];
 
@@ -178,7 +178,7 @@ function videos_post(&$a) {
 
 
 
-function videos_content(&$a) {
+function videos_content(App &$a) {
 
 	// URLs (most aren't currently implemented):
 	// videos/name
diff --git a/mod/viewcontacts.php b/mod/viewcontacts.php
index 3fd5d79e1..6ae458b6a 100644
--- a/mod/viewcontacts.php
+++ b/mod/viewcontacts.php
@@ -2,7 +2,7 @@
 require_once('include/Contact.php');
 require_once('include/contact_selectors.php');
 
-function viewcontacts_init(&$a) {
+function viewcontacts_init(App &$a) {
 
 	if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 		return;
@@ -29,7 +29,7 @@ function viewcontacts_init(&$a) {
 }
 
 
-function viewcontacts_content(&$a) {
+function viewcontacts_content(App &$a) {
 	require_once("mod/proxy.php");
 
 	if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
diff --git a/mod/viewsrc.php b/mod/viewsrc.php
index 904b14425..ccb076970 100644
--- a/mod/viewsrc.php
+++ b/mod/viewsrc.php
@@ -1,7 +1,7 @@
 <?php
 
 
-function viewsrc_content(&$a) {
+function viewsrc_content(App &$a) {
 
 	if(! local_user()) {
 		notice( t('Access denied.') . EOL);
diff --git a/mod/wall_attach.php b/mod/wall_attach.php
index 525d3509c..181256854 100644
--- a/mod/wall_attach.php
+++ b/mod/wall_attach.php
@@ -3,7 +3,7 @@
 require_once('include/attach.php');
 require_once('include/datetime.php');
 
-function wall_attach_post(&$a) {
+function wall_attach_post(App &$a) {
 
 	$r_json = (x($_GET,'response') && $_GET['response']=='json');
 
diff --git a/mod/wallmessage.php b/mod/wallmessage.php
index afe25cbe8..e0c702cdb 100644
--- a/mod/wallmessage.php
+++ b/mod/wallmessage.php
@@ -2,7 +2,7 @@
 
 require_once('include/message.php');
 
-function wallmessage_post(&$a) {
+function wallmessage_post(App &$a) {
 
 	$replyto = get_my_url();
 	if(! $replyto) {
@@ -73,7 +73,7 @@ function wallmessage_post(&$a) {
 }
 
 
-function wallmessage_content(&$a) {
+function wallmessage_content(App &$a) {
 
 	if(! get_my_url()) {
 		notice( t('Permission denied.') . EOL);
diff --git a/mod/webfinger.php b/mod/webfinger.php
index e1e5b367b..f08451ba7 100644
--- a/mod/webfinger.php
+++ b/mod/webfinger.php
@@ -1,7 +1,7 @@
 <?php
 require_once("include/Probe.php");
 
-function webfinger_content(&$a) {
+function webfinger_content(App &$a) {
 
 	$o .= '<h3>Webfinger Diagnostic</h3>';
 
diff --git a/mod/xrd.php b/mod/xrd.php
index 290c524a7..02a5d7b23 100644
--- a/mod/xrd.php
+++ b/mod/xrd.php
@@ -2,7 +2,7 @@
 
 require_once('include/crypto.php');
 
-function xrd_init(&$a) {
+function xrd_init(App &$a) {
 
 	$uri = urldecode(notags(trim($_GET['uri'])));