Elgg / Elgg

engine/lib/views.php

Indentation +913 added lines, -913 removed lines

@@ -72,11 +72,11 @@ 
  * @return bool
  */
 function elgg_set_viewtype($viewtype = "") {
-	global $CURRENT_SYSTEM_VIEWTYPE;
+    global $CURRENT_SYSTEM_VIEWTYPE;
 
-	$CURRENT_SYSTEM_VIEWTYPE = $viewtype;
+    $CURRENT_SYSTEM_VIEWTYPE = $viewtype;
 
-	return true;
+    return true;
 }
 
 /**
@@ -93,13 +93,13 @@ 
  * @see elgg_set_viewtype()
  */
 function elgg_get_viewtype() {
-	global $CURRENT_SYSTEM_VIEWTYPE;
+    global $CURRENT_SYSTEM_VIEWTYPE;
 
-	if (empty($CURRENT_SYSTEM_VIEWTYPE)) {
-		$CURRENT_SYSTEM_VIEWTYPE = _elgg_get_initial_viewtype();
-	}
+    if (empty($CURRENT_SYSTEM_VIEWTYPE)) {
+        $CURRENT_SYSTEM_VIEWTYPE = _elgg_get_initial_viewtype();
+    }
 
-	return $CURRENT_SYSTEM_VIEWTYPE;
+    return $CURRENT_SYSTEM_VIEWTYPE;
 }
 
 /**
@@ -110,18 +110,18 @@ 
  * @since 2.0.0
  */
 function _elgg_get_initial_viewtype() {
-	global $CONFIG;
+    global $CONFIG;
 
-	$viewtype = get_input('view', '', false);
-	if (_elgg_is_valid_viewtype($viewtype)) {
-		return $viewtype;
-	}
+    $viewtype = get_input('view', '', false);
+    if (_elgg_is_valid_viewtype($viewtype)) {
+        return $viewtype;
+    }
 
-	if (isset($CONFIG->view) && _elgg_is_valid_viewtype($CONFIG->view)) {
-		return $CONFIG->view;
-	}
+    if (isset($CONFIG->view) && _elgg_is_valid_viewtype($CONFIG->view)) {
+        return $CONFIG->view;
+    }
 
-	return 'default';
+    return 'default';
 }
 
 /**
@@ -131,15 +131,15 @@ 
  * @return bool
  */
 function elgg_register_viewtype($viewtype) {
-	if (!isset($GLOBALS['_ELGG']->view_types) || !is_array($GLOBALS['_ELGG']->view_types)) {
-		$GLOBALS['_ELGG']->view_types = [];
-	}
+    if (!isset($GLOBALS['_ELGG']->view_types) || !is_array($GLOBALS['_ELGG']->view_types)) {
+        $GLOBALS['_ELGG']->view_types = [];
+    }
 
-	if (!in_array($viewtype, $GLOBALS['_ELGG']->view_types)) {
-		$GLOBALS['_ELGG']->view_types[] = $viewtype;
-	}
+    if (!in_array($viewtype, $GLOBALS['_ELGG']->view_types)) {
+        $GLOBALS['_ELGG']->view_types[] = $viewtype;
+    }
 
-	return true;
+    return true;
 }
 
 /**
@@ -151,11 +151,11 @@ 
  * @since 1.9.0
  */
 function elgg_is_registered_viewtype($viewtype) {
-	if (!isset($GLOBALS['_ELGG']->view_types) || !is_array($GLOBALS['_ELGG']->view_types)) {
-		return false;
-	}
+    if (!isset($GLOBALS['_ELGG']->view_types) || !is_array($GLOBALS['_ELGG']->view_types)) {
+        return false;
+    }
 
-	return in_array($viewtype, $GLOBALS['_ELGG']->view_types);
+    return in_array($viewtype, $GLOBALS['_ELGG']->view_types);
 }
 
 
@@ -169,15 +169,15 @@ 
  * @since 1.9
  */
 function _elgg_is_valid_viewtype($viewtype) {
-	if (!is_string($viewtype) || $viewtype === '') {
-		return false;
-	}
+    if (!is_string($viewtype) || $viewtype === '') {
+        return false;
+    }
 
-	if (preg_match('/\W/', $viewtype)) {
-		return false;
-	}
+    if (preg_match('/\W/', $viewtype)) {
+        return false;
+    }
 
-	return true;
+    return true;
 }
 
 /**
@@ -192,7 +192,7 @@ 
  * @since 1.7.2
  */
 function elgg_register_viewtype_fallback($viewtype) {
-	_elgg_services()->views->registerViewtypeFallback($viewtype);
+    _elgg_services()->views->registerViewtypeFallback($viewtype);
 }
 
 /**
@@ -204,7 +204,7 @@ 
  * @since 1.7.2
  */
 function elgg_does_viewtype_fallback($viewtype) {
-	return _elgg_services()->views->doesViewtypeFallback($viewtype);
+    return _elgg_services()->views->doesViewtypeFallback($viewtype);
 }
 
 /**
@@ -219,7 +219,7 @@ 
  * @since 1.8.3
  */
 function elgg_register_ajax_view($view) {
-	elgg_register_external_view($view, false);
+    elgg_register_external_view($view, false);
 }
 
 /**
@@ -230,7 +230,7 @@ 
  * @since 1.8.3
  */
 function elgg_unregister_ajax_view($view) {
-	elgg_unregister_external_view($view);
+    elgg_unregister_external_view($view);
 }
 
 /**
@@ -243,11 +243,11 @@ 
  */
 function elgg_register_external_view($view, $cacheable = false) {
 	
-	_elgg_services()->ajax->registerView($view);
+    _elgg_services()->ajax->registerView($view);
 
-	if ($cacheable) {
-		_elgg_services()->views->registerCacheableView($view);
-	}
+    if ($cacheable) {
+        _elgg_services()->views->registerCacheableView($view);
+    }
 }
 
 /**
@@ -258,7 +258,7 @@ 
  * @since 1.9.0
  */
 function elgg_unregister_external_view($view) {
-	_elgg_services()->ajax->unregisterView($view);
+    _elgg_services()->ajax->unregisterView($view);
 }
 
 /**
@@ -276,7 +276,7 @@ 
  * @return void
  */
 function elgg_set_view_location($view, $location, $viewtype = '') {
-	_elgg_services()->views->setViewDir($view, $location, $viewtype);
+    _elgg_services()->views->setViewDir($view, $location, $viewtype);
 }
 
 /**
@@ -291,7 +291,7 @@ 
  * @return bool
  */
 function elgg_view_exists($view, $viewtype = '', $recurse = true) {
-	return _elgg_services()->views->viewExists($view, $viewtype, $recurse);
+    return _elgg_services()->views->viewExists($view, $viewtype, $recurse);
 }
 
 /**
@@ -304,7 +304,7 @@ 
  * @since 2.0
  */
 function elgg_list_views($viewtype = 'default') {
-	return _elgg_services()->views->listViews($viewtype);
+    return _elgg_services()->views->listViews($viewtype);
 }
 
 /**
@@ -334,7 +334,7 @@ 
  * @return string The parsed view
  */
 function elgg_view($view, $vars = [], $ignore1 = false, $ignore2 = false, $viewtype = '') {
-	return _elgg_services()->views->renderView($view, $vars, $ignore1, $viewtype);
+    return _elgg_services()->views->renderView($view, $vars, $ignore1, $viewtype);
 }
 
 /**
@@ -351,7 +351,7 @@ 
  * @access private
  */
 function elgg_view_deprecated($view, array $vars, $suggestion, $version) {
-	return _elgg_services()->views->renderDeprecatedView($view, $vars, $suggestion, $version);
+    return _elgg_services()->views->renderDeprecatedView($view, $vars, $suggestion, $version);
 }
 
 /**
@@ -378,7 +378,7 @@ 
  * @since 1.7.0
  */
 function elgg_extend_view($view, $view_extension, $priority = 501) {
-	_elgg_services()->views->extendView($view, $view_extension, $priority);
+    _elgg_services()->views->extendView($view, $view_extension, $priority);
 }
 
 /**
@@ -391,7 +391,7 @@ 
  * @since 1.7.2
  */
 function elgg_unextend_view($view, $view_extension) {
-	return _elgg_services()->views->unextendView($view, $view_extension);
+    return _elgg_services()->views->unextendView($view, $view_extension);
 }
 
 /**
@@ -405,9 +405,9 @@ 
  * @since 2.3
  */
 function elgg_get_view_extensions($view) {
-	$list = _elgg_services()->views->getViewList($view);
-	unset($list[500]);
-	return $list;
+    $list = _elgg_services()->views->getViewList($view);
+    unset($list[500]);
+    return $list;
 }
 
 /**
@@ -422,7 +422,7 @@ 
  * @since 2.2
  */
 function elgg_prepend_css_urls($css, $path) {
-	return Minify_CSS_UriRewriter::prepend($css, $path);
+    return Minify_CSS_UriRewriter::prepend($css, $path);
 }
 
 /**
@@ -445,57 +445,57 @@ 
  * @since  1.8
  */
 function elgg_view_page($title, $body, $page_shell = 'default', $vars = []) {
-	$timer = _elgg_services()->timer;
-	if (!$timer->hasEnded(['build page'])) {
-		$timer->end(['build page']);
-	}
-	$timer->begin([__FUNCTION__]);
+    $timer = _elgg_services()->timer;
+    if (!$timer->hasEnded(['build page'])) {
+        $timer->end(['build page']);
+    }
+    $timer->begin([__FUNCTION__]);
 
-	$params = [];
-	$params['identifier'] = _elgg_services()->request->getFirstUrlSegment();
-	$params['segments'] = _elgg_services()->request->getUrlSegments();
-	array_shift($params['segments']);
-	$page_shell = elgg_trigger_plugin_hook('shell', 'page', $params, $page_shell);
+    $params = [];
+    $params['identifier'] = _elgg_services()->request->getFirstUrlSegment();
+    $params['segments'] = _elgg_services()->request->getUrlSegments();
+    array_shift($params['segments']);
+    $page_shell = elgg_trigger_plugin_hook('shell', 'page', $params, $page_shell);
 
 
-	$system_messages = _elgg_services()->systemMessages;
+    $system_messages = _elgg_services()->systemMessages;
 
-	$messages = null;
-	if ($system_messages->count()) {
-		$messages = $system_messages->dumpRegister();
+    $messages = null;
+    if ($system_messages->count()) {
+        $messages = $system_messages->dumpRegister();
 
-		if (isset($messages['error'])) {
-			// always make sure error is the first type
-			$errors = [
-				'error' => $messages['error']
-			];
+        if (isset($messages['error'])) {
+            // always make sure error is the first type
+            $errors = [
+                'error' => $messages['error']
+            ];
 
-			unset($messages['error']);
-			$messages = array_merge($errors, $messages);
-		}
-	}
+            unset($messages['error']);
+            $messages = array_merge($errors, $messages);
+        }
+    }
 
-	$vars['title'] = $title;
-	$vars['body'] = $body;
-	$vars['sysmessages'] = $messages;
-	$vars['admin_notices'] = elgg_is_admin_logged_in() ? elgg_get_admin_notices() : [];
-	$vars['page_shell'] = $page_shell;
+    $vars['title'] = $title;
+    $vars['body'] = $body;
+    $vars['sysmessages'] = $messages;
+    $vars['admin_notices'] = elgg_is_admin_logged_in() ? elgg_get_admin_notices() : [];
+    $vars['page_shell'] = $page_shell;
 
-	// head has keys 'title', 'metas', 'links'
-	$head_params = _elgg_views_prepare_head($title);
+    // head has keys 'title', 'metas', 'links'
+    $head_params = _elgg_views_prepare_head($title);
 
-	$vars['head'] = elgg_trigger_plugin_hook('head', 'page', $vars, $head_params);
+    $vars['head'] = elgg_trigger_plugin_hook('head', 'page', $vars, $head_params);
 
-	$vars = elgg_trigger_plugin_hook('output:before', 'page', null, $vars);
+    $vars = elgg_trigger_plugin_hook('output:before', 'page', null, $vars);
 
-	$output = elgg_view("page/$page_shell", $vars);
+    $output = elgg_view("page/$page_shell", $vars);
 
 
-	// Allow plugins to modify the output
-	$output = elgg_trigger_plugin_hook('output', 'page', $vars, $output);
+    // Allow plugins to modify the output
+    $output = elgg_trigger_plugin_hook('output', 'page', $vars, $output);
 
-	$timer->end([__FUNCTION__]);
-	return $output;
+    $timer->end([__FUNCTION__]);
+    return $output;
 }
 
 /**
@@ -509,25 +509,25 @@ 
  * @throws SecurityException
  */
 function elgg_view_resource($name, array $vars = []) {
-	$view = "resources/$name";
+    $view = "resources/$name";
 
-	if (elgg_view_exists($view)) {
-		return _elgg_services()->views->renderView($view, $vars);
-	}
+    if (elgg_view_exists($view)) {
+        return _elgg_services()->views->renderView($view, $vars);
+    }
 
-	if (elgg_get_viewtype() !== 'default' && elgg_view_exists($view, 'default')) {
-		return _elgg_services()->views->renderView($view, $vars, false, 'default');
-	}
+    if (elgg_get_viewtype() !== 'default' && elgg_view_exists($view, 'default')) {
+        return _elgg_services()->views->renderView($view, $vars, false, 'default');
+    }
 
-	_elgg_services()->logger->error("The view $view is missing.");
+    _elgg_services()->logger->error("The view $view is missing.");
 
-	if (elgg_get_viewtype() === 'default') {
-		// only works for default viewtype
-		forward('', '404');
-	} else {
-		register_error(elgg_echo('error:404:content'));
-		forward('');
-	}
+    if (elgg_get_viewtype() === 'default') {
+        // only works for default viewtype
+        forward('', '404');
+    } else {
+        register_error(elgg_echo('error:404:content'));
+        forward('');
+    }
 }
 
 /**
@@ -538,58 +538,58 @@ 
  * @access private
  */
 function _elgg_views_prepare_head($title) {
-	$params = [
-		'links' => [],
-		'metas' => [],
-	];
-
-	if (empty($title)) {
-		$params['title'] = elgg_get_config('sitename');
-	} else {
-		$params['title'] = $title . ' : ' . elgg_get_config('sitename');
-	}
-
-	$params['metas']['content-type'] = [
-		'http-equiv' => 'Content-Type',
-		'content' => 'text/html; charset=utf-8',
-	];
-
-	$params['metas']['description'] = [
-		'name' => 'description',
-		'content' => elgg_get_config('sitedescription')
-	];
-
-	// https://developer.chrome.com/multidevice/android/installtohomescreen
-	$params['metas']['viewport'] = [
-		'name' => 'viewport',
-		'content' => 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0',
-	];
-	$params['metas']['mobile-web-app-capable'] = [
-		'name' => 'mobile-web-app-capable',
-		'content' => 'yes',
-	];
-	$params['metas']['apple-mobile-web-app-capable'] = [
-		'name' => 'apple-mobile-web-app-capable',
-		'content' => 'yes',
-	];
+    $params = [
+        'links' => [],
+        'metas' => [],
+    ];
+
+    if (empty($title)) {
+        $params['title'] = elgg_get_config('sitename');
+    } else {
+        $params['title'] = $title . ' : ' . elgg_get_config('sitename');
+    }
+
+    $params['metas']['content-type'] = [
+        'http-equiv' => 'Content-Type',
+        'content' => 'text/html; charset=utf-8',
+    ];
+
+    $params['metas']['description'] = [
+        'name' => 'description',
+        'content' => elgg_get_config('sitedescription')
+    ];
+
+    // https://developer.chrome.com/multidevice/android/installtohomescreen
+    $params['metas']['viewport'] = [
+        'name' => 'viewport',
+        'content' => 'width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0',
+    ];
+    $params['metas']['mobile-web-app-capable'] = [
+        'name' => 'mobile-web-app-capable',
+        'content' => 'yes',
+    ];
+    $params['metas']['apple-mobile-web-app-capable'] = [
+        'name' => 'apple-mobile-web-app-capable',
+        'content' => 'yes',
+    ];
 	
-	// RSS feed link
-	if (_elgg_has_rss_link()) {
-		$url = current_page_url();
-		if (substr_count($url, '?')) {
-			$url .= "&view=rss";
-		} else {
-			$url .= "?view=rss";
-		}
-		$params['links']['rss'] = [
-			'rel' => 'alternative',
-			'type' => 'application/rss+xml',
-			'title' => 'RSS',
-			'href' => $url,
-		];
-	}
+    // RSS feed link
+    if (_elgg_has_rss_link()) {
+        $url = current_page_url();
+        if (substr_count($url, '?')) {
+            $url .= "&view=rss";
+        } else {
+            $url .= "?view=rss";
+        }
+        $params['links']['rss'] = [
+            'rel' => 'alternative',
+            'type' => 'application/rss+xml',
+            'title' => 'RSS',
+            'href' => $url,
+        ];
+    }
 	
-	return $params;
+    return $params;
 }
 
 
@@ -611,48 +611,48 @@ 
  */
 function _elgg_views_prepare_favicon_links($hook, $type, $head_params, $params) {
 
-	$head_params['links']['apple-touch-icon'] = [
-		'rel' => 'apple-touch-icon',
-		'href' => elgg_get_simplecache_url('graphics/favicon-128.png'),
-	];
-
-	// favicons
-	$head_params['links']['icon-ico'] = [
-		'rel' => 'icon',
-		'href' => elgg_get_simplecache_url('graphics/favicon.ico'),
-	];
-	$head_params['links']['icon-vector'] = [
-		'rel' => 'icon',
-		'sizes' => '16x16 32x32 48x48 64x64 128x128',
-		'type' => 'image/svg+xml',
-		'href' => elgg_get_simplecache_url('graphics/favicon.svg'),
-	];
-	$head_params['links']['icon-16'] = [
-		'rel' => 'icon',
-		'sizes' => '16x16',
-		'type' => 'image/png',
-		'href' => elgg_get_simplecache_url('graphics/favicon-16.png'),
-	];
-	$head_params['links']['icon-32'] = [
-		'rel' => 'icon',
-		'sizes' => '32x32',
-		'type' => 'image/png',
-		'href' => elgg_get_simplecache_url('graphics/favicon-32.png'),
-	];
-	$head_params['links']['icon-64'] = [
-		'rel' => 'icon',
-		'sizes' => '64x64',
-		'type' => 'image/png',
-		'href' => elgg_get_simplecache_url('graphics/favicon-64.png'),
-	];
-	$head_params['links']['icon-128'] = [
-		'rel' => 'icon',
-		'sizes' => '128x128',
-		'type' => 'image/png',
-		'href' => elgg_get_simplecache_url('graphics/favicon-128.png'),
-	];
-
-	return $head_params;
+    $head_params['links']['apple-touch-icon'] = [
+        'rel' => 'apple-touch-icon',
+        'href' => elgg_get_simplecache_url('graphics/favicon-128.png'),
+    ];
+
+    // favicons
+    $head_params['links']['icon-ico'] = [
+        'rel' => 'icon',
+        'href' => elgg_get_simplecache_url('graphics/favicon.ico'),
+    ];
+    $head_params['links']['icon-vector'] = [
+        'rel' => 'icon',
+        'sizes' => '16x16 32x32 48x48 64x64 128x128',
+        'type' => 'image/svg+xml',
+        'href' => elgg_get_simplecache_url('graphics/favicon.svg'),
+    ];
+    $head_params['links']['icon-16'] = [
+        'rel' => 'icon',
+        'sizes' => '16x16',
+        'type' => 'image/png',
+        'href' => elgg_get_simplecache_url('graphics/favicon-16.png'),
+    ];
+    $head_params['links']['icon-32'] = [
+        'rel' => 'icon',
+        'sizes' => '32x32',
+        'type' => 'image/png',
+        'href' => elgg_get_simplecache_url('graphics/favicon-32.png'),
+    ];
+    $head_params['links']['icon-64'] = [
+        'rel' => 'icon',
+        'sizes' => '64x64',
+        'type' => 'image/png',
+        'href' => elgg_get_simplecache_url('graphics/favicon-64.png'),
+    ];
+    $head_params['links']['icon-128'] = [
+        'rel' => 'icon',
+        'sizes' => '128x128',
+        'type' => 'image/png',
+        'href' => elgg_get_simplecache_url('graphics/favicon-128.png'),
+    ];
+
+    return $head_params;
 }
 
 /**
@@ -684,67 +684,67 @@ 
  * @return string
  */
 function elgg_view_layout($layout_name, $vars = []) {
-	$timer = _elgg_services()->timer;
-	if (!$timer->hasEnded(['build page'])) {
-		$timer->end(['build page']);
-	}
-	$timer->begin([__FUNCTION__]);
-
-	// Help plugins transition without breaking them
-	switch ($layout_name) {
-		case 'content' :
-			$layout_name = 'default';
-			$vars = _elgg_normalize_content_layout_vars($vars);
-			break;
-
-		case 'one_sidebar' :
-			$layout_name = 'default';
-			$vars['sidebar'] = elgg_extract('sidebar', $vars, '', false);
-			$vars['sidebar_alt'] = false;
-			break;
-
-		case 'one_column' :
-			$layout_name = 'default';
-			$vars['sidebar'] = false;
-			$vars['sidebar_alt'] = false;
-			break;
-
-		case 'two_sidebar' :
-			$layout_name = 'default';
-			$vars['sidebar'] = elgg_extract('sidebar', $vars, '', false);
-			$vars['sidebar_alt'] = elgg_extract('sidebar_alt', $vars, '', false);
-			break;
-	}
-
-	if (isset($vars['nav'])) {
-		// Temporary helper until all core views are updated
-		$vars['breadcrumbs'] = $vars['nav'];
-		unset($vars['nav']);
-	}
-
-	$vars['identifier'] = _elgg_services()->request->getFirstUrlSegment();
-	$vars['segments'] = _elgg_services()->request->getUrlSegments();
-	array_shift($vars['segments']);
-
-	$layout_name = elgg_trigger_plugin_hook('layout', 'page', $vars, $layout_name);
-
-	$vars['layout'] = $layout_name;
-
-	$layout_views = [
-		"page/layouts/$layout_name",
-		"page/layouts/default",
-	];
-
-	$output = '';
-	foreach ($layout_views as $layout_view) {
-		if (elgg_view_exists($layout_view)) {
-			$output = elgg_view($layout_view, $vars);
-			break;
-		}
-	}
-
-	$timer->end([__FUNCTION__]);
-	return $output;
+    $timer = _elgg_services()->timer;
+    if (!$timer->hasEnded(['build page'])) {
+        $timer->end(['build page']);
+    }
+    $timer->begin([__FUNCTION__]);
+
+    // Help plugins transition without breaking them
+    switch ($layout_name) {
+        case 'content' :
+            $layout_name = 'default';
+            $vars = _elgg_normalize_content_layout_vars($vars);
+            break;
+
+        case 'one_sidebar' :
+            $layout_name = 'default';
+            $vars['sidebar'] = elgg_extract('sidebar', $vars, '', false);
+            $vars['sidebar_alt'] = false;
+            break;
+
+        case 'one_column' :
+            $layout_name = 'default';
+            $vars['sidebar'] = false;
+            $vars['sidebar_alt'] = false;
+            break;
+
+        case 'two_sidebar' :
+            $layout_name = 'default';
+            $vars['sidebar'] = elgg_extract('sidebar', $vars, '', false);
+            $vars['sidebar_alt'] = elgg_extract('sidebar_alt', $vars, '', false);
+            break;
+    }
+
+    if (isset($vars['nav'])) {
+        // Temporary helper until all core views are updated
+        $vars['breadcrumbs'] = $vars['nav'];
+        unset($vars['nav']);
+    }
+
+    $vars['identifier'] = _elgg_services()->request->getFirstUrlSegment();
+    $vars['segments'] = _elgg_services()->request->getUrlSegments();
+    array_shift($vars['segments']);
+
+    $layout_name = elgg_trigger_plugin_hook('layout', 'page', $vars, $layout_name);
+
+    $vars['layout'] = $layout_name;
+
+    $layout_views = [
+        "page/layouts/$layout_name",
+        "page/layouts/default",
+    ];
+
+    $output = '';
+    foreach ($layout_views as $layout_view) {
+        if (elgg_view_exists($layout_view)) {
+            $output = elgg_view($layout_view, $vars);
+            break;
+        }
+    }
+
+    $timer->end([__FUNCTION__]);
+    return $output;
 }
 
 /**
@@ -757,27 +757,27 @@ 
  */
 function _elgg_normalize_content_layout_vars(array $vars = []) {
 
-	$context = elgg_extract('context', $vars, elgg_get_context());
-
-	$vars['title'] = elgg_extract('title', $vars, '');
-	if (!$vars['title'] && $vars['title'] !== false) {
-		$vars['title'] = elgg_echo($context);
-	}
-
-	// 1.8 supported 'filter_override'
-	if (isset($vars['filter_override'])) {
-		$vars['filter'] = $vars['filter_override'];
-	}
-
-	// register the default content filters
-	if (!isset($vars['filter']) && $context) {
-		$selected = elgg_extract('filter_context', $vars);
-		$vars['filter'] = elgg_get_filter_tabs($context, $selected, null, $vars);
-		$vars['filter_id'] = $context;
-		$vars['filter_value'] = $selected;
-	}
+    $context = elgg_extract('context', $vars, elgg_get_context());
+
+    $vars['title'] = elgg_extract('title', $vars, '');
+    if (!$vars['title'] && $vars['title'] !== false) {
+        $vars['title'] = elgg_echo($context);
+    }
+
+    // 1.8 supported 'filter_override'
+    if (isset($vars['filter_override'])) {
+        $vars['filter'] = $vars['filter_override'];
+    }
+
+    // register the default content filters
+    if (!isset($vars['filter']) && $context) {
+        $selected = elgg_extract('filter_context', $vars);
+        $vars['filter'] = elgg_get_filter_tabs($context, $selected, null, $vars);
+        $vars['filter_id'] = $context;
+        $vars['filter_value'] = $selected;
+    }
 	
-	return $vars;
+    return $vars;
 }
 
 /**
@@ -837,33 +837,33 @@ 
  */
 function elgg_view_menu($menu, array $vars = []) {
 
-	$menu_view = elgg_extract('menu_view', $vars);
-	unset($vars['menu_view']);
-
-	if (is_string($menu)) {
-		$menu = _elgg_services()->menus->getMenu($menu, $vars);
-	} elseif ($menu instanceof UnpreparedMenu) {
-		$menu = _elgg_services()->menus->prepareMenu($menu);
-	}
-
-	if (!$menu instanceof Menu) {
-		throw new \InvalidArgumentException('$menu must be a menu name, a Menu, or UnpreparedMenu');
-	}
-
-	$name = $menu->getName();
-	$params = $menu->getParams();
-
-	$views = [
-		$menu_view,
-		"navigation/menu/$name",
-		'navigation/menu/default',
-	];
-
-	foreach ($views as $view) {
-		if (elgg_view_exists($view)) {
-			return elgg_view($view, $params);
-		}
-	}
+    $menu_view = elgg_extract('menu_view', $vars);
+    unset($vars['menu_view']);
+
+    if (is_string($menu)) {
+        $menu = _elgg_services()->menus->getMenu($menu, $vars);
+    } elseif ($menu instanceof UnpreparedMenu) {
+        $menu = _elgg_services()->menus->prepareMenu($menu);
+    }
+
+    if (!$menu instanceof Menu) {
+        throw new \InvalidArgumentException('$menu must be a menu name, a Menu, or UnpreparedMenu');
+    }
+
+    $name = $menu->getName();
+    $params = $menu->getParams();
+
+    $views = [
+        $menu_view,
+        "navigation/menu/$name",
+        'navigation/menu/default',
+    ];
+
+    foreach ($views as $view) {
+        if (elgg_view_exists($view)) {
+            return elgg_view($view, $params);
+        }
+    }
 }
 
 /**
@@ -875,36 +875,36 @@ 
  * @since 1.9.0
  */
 function elgg_view_menu_item(\ElggMenuItem $item, array $vars = []) {
-	if (!isset($vars['class'])) {
-		$vars['class'] = 'elgg-menu-content';
-	}
+    if (!isset($vars['class'])) {
+        $vars['class'] = 'elgg-menu-content';
+    }
 
-	$vars = array_merge($item->getValues(), $vars);
+    $vars = array_merge($item->getValues(), $vars);
 
-	if ($item->getLinkClass()) {
-		$vars['class'] .= ' ' . $item->getLinkClass();
-	}
+    if ($item->getLinkClass()) {
+        $vars['class'] .= ' ' . $item->getLinkClass();
+    }
 
-	if ($item->getHref() === false || $item->getHref() === null) {
-		$text = $item->getText();
+    if ($item->getHref() === false || $item->getHref() === null) {
+        $text = $item->getText();
 
-		// if contains elements, don't wrap
-		if (preg_match('~<[a-z]~', $text)) {
-			return $text;
-		} else {
-			return elgg_format_element('span', ['class' => 'elgg-non-link'], $text);
-		}
-	}
+        // if contains elements, don't wrap
+        if (preg_match('~<[a-z]~', $text)) {
+            return $text;
+        } else {
+            return elgg_format_element('span', ['class' => 'elgg-non-link'], $text);
+        }
+    }
 
-	if (!isset($vars['rel']) && !isset($vars['is_trusted'])) {
-		$vars['is_trusted'] = true;
-	}
+    if (!isset($vars['rel']) && !isset($vars['is_trusted'])) {
+        $vars['is_trusted'] = true;
+    }
 
-	if ($item->getConfirmText()) {
-		$vars['confirm'] = $item->getConfirmText();
-	}
+    if ($item->getConfirmText()) {
+        $vars['confirm'] = $item->getConfirmText();
+    }
 
-	return elgg_view('output/url', $vars);
+    return elgg_view('output/url', $vars);
 }
 
 /**
@@ -934,50 +934,50 @@ 
  */
 function elgg_view_entity(\ElggEntity $entity, array $vars = [], $bypass = false, $debug = false) {
 
-	// No point continuing if entity is null
-	if (!$entity || !($entity instanceof \ElggEntity)) {
-		return false;
-	}
-
-	elgg_register_rss_link();
-
-	$defaults = [
-		'full_view' => true,
-	];
-
-	$vars = array_merge($defaults, $vars);
-
-	$vars['entity'] = $entity;
-
-	$entity_type = $entity->getType();
-	$entity_subtype = $entity->getSubtype();
-	if (empty($entity_subtype)) {
-		$entity_subtype = 'default';
-	}
-
-	$entity_views = [
-		elgg_extract('item_view', $vars, ''),
-		"$entity_type/$entity_subtype",
-		"$entity_type/default",
-	];
-
-	$contents = '';
-	foreach ($entity_views as $view) {
-		if (elgg_view_exists($view)) {
-			$contents = elgg_view($view, $vars, $bypass, $debug);
-			break;
-		}
-	}
-
-	// Marcus Povey 20090616 : Speculative and low impact approach for fixing #964
-	if ($vars['full_view']) {
-		$annotations = elgg_view_entity_annotations($entity, $vars['full_view']);
-
-		if ($annotations) {
-			$contents .= $annotations;
-		}
-	}
-	return $contents;
+    // No point continuing if entity is null
+    if (!$entity || !($entity instanceof \ElggEntity)) {
+        return false;
+    }
+
+    elgg_register_rss_link();
+
+    $defaults = [
+        'full_view' => true,
+    ];
+
+    $vars = array_merge($defaults, $vars);
+
+    $vars['entity'] = $entity;
+
+    $entity_type = $entity->getType();
+    $entity_subtype = $entity->getSubtype();
+    if (empty($entity_subtype)) {
+        $entity_subtype = 'default';
+    }
+
+    $entity_views = [
+        elgg_extract('item_view', $vars, ''),
+        "$entity_type/$entity_subtype",
+        "$entity_type/default",
+    ];
+
+    $contents = '';
+    foreach ($entity_views as $view) {
+        if (elgg_view_exists($view)) {
+            $contents = elgg_view($view, $vars, $bypass, $debug);
+            break;
+        }
+    }
+
+    // Marcus Povey 20090616 : Speculative and low impact approach for fixing #964
+    if ($vars['full_view']) {
+        $annotations = elgg_view_entity_annotations($entity, $vars['full_view']);
+
+        if ($annotations) {
+            $contents .= $annotations;
+        }
+    }
+    return $contents;
 }
 
 /**
@@ -997,33 +997,33 @@ 
  */
 function elgg_view_entity_icon(\ElggEntity $entity, $size = 'medium', $vars = []) {
 
-	// No point continuing if entity is null
-	if (!$entity || !($entity instanceof \ElggEntity)) {
-		return false;
-	}
-
-	$vars['entity'] = $entity;
-	$vars['size'] = $size;
-
-	$entity_type = $entity->getType();
-
-	$subtype = $entity->getSubtype();
-	if (empty($subtype)) {
-		$subtype = 'default';
-	}
-
-	$contents = '';
-	if (elgg_view_exists("icon/$entity_type/$subtype")) {
-		$contents = elgg_view("icon/$entity_type/$subtype", $vars);
-	}
-	if (empty($contents)) {
-		$contents = elgg_view("icon/$entity_type/default", $vars);
-	}
-	if (empty($contents)) {
-		$contents = elgg_view("icon/default", $vars);
-	}
-
-	return $contents;
+    // No point continuing if entity is null
+    if (!$entity || !($entity instanceof \ElggEntity)) {
+        return false;
+    }
+
+    $vars['entity'] = $entity;
+    $vars['size'] = $size;
+
+    $entity_type = $entity->getType();
+
+    $subtype = $entity->getSubtype();
+    if (empty($subtype)) {
+        $subtype = 'default';
+    }
+
+    $contents = '';
+    if (elgg_view_exists("icon/$entity_type/$subtype")) {
+        $contents = elgg_view("icon/$entity_type/$subtype", $vars);
+    }
+    if (empty($contents)) {
+        $contents = elgg_view("icon/$entity_type/default", $vars);
+    }
+    if (empty($contents)) {
+        $contents = elgg_view("icon/default", $vars);
+    }
+
+    return $contents;
 }
 
 /**
@@ -1047,35 +1047,35 @@ 
  * @return string/false Rendered annotation
  */
 function elgg_view_annotation(\ElggAnnotation $annotation, array $vars = [], $bypass = false, $debug = false) {
-	elgg_register_rss_link();
-
-	$defaults = [
-		'full_view' => true,
-	];
-
-	$vars = array_merge($defaults, $vars);
-	$vars['annotation'] = $annotation;
-
-	$name = $annotation->name;
-	if (empty($name)) {
-		return false;
-	}
-
-	$annotation_views = [
-		elgg_extract('item_view', $vars, ''),
-		"annotation/$name",
-		"annotation/default",
-	];
-
-	$contents = '';
-	foreach ($annotation_views as $view) {
-		if (elgg_view_exists($view)) {
-			$contents = elgg_view($view, $vars, $bypass, $debug);
-			break;
-		}
-	}
-
-	return $contents;
+    elgg_register_rss_link();
+
+    $defaults = [
+        'full_view' => true,
+    ];
+
+    $vars = array_merge($defaults, $vars);
+    $vars['annotation'] = $annotation;
+
+    $name = $annotation->name;
+    if (empty($name)) {
+        return false;
+    }
+
+    $annotation_views = [
+        elgg_extract('item_view', $vars, ''),
+        "annotation/$name",
+        "annotation/default",
+    ];
+
+    $contents = '';
+    foreach ($annotation_views as $view) {
+        if (elgg_view_exists($view)) {
+            $contents = elgg_view($view, $vars, $bypass, $debug);
+            break;
+        }
+    }
+
+    return $contents;
 }
 
 /**
@@ -1108,36 +1108,36 @@ 
  * @return string The rendered list of entities
  */
 function elgg_view_entity_list($entities, array $vars = []) {
-	$offset = (int) get_input('offset', 0);
-
-	// list type can be passed as request parameter
-	$list_type = get_input('list_type', 'list');
-
-	$defaults = [
-		'items' => $entities,
-		'list_class' => 'elgg-list-entity',
-		'full_view' => true,
-		'pagination' => true,
-		'list_type' => $list_type,
-		'list_type_toggle' => false,
-		'offset' => $offset,
-		'limit' => null,
-	];
-
-	$vars = array_merge($defaults, $vars);
-
-	if (!$vars["limit"] && !$vars["offset"]) {
-		// no need for pagination if listing is unlimited
-		$vars["pagination"] = false;
-	}
-
-	if ($vars['list_type'] == 'table') {
-		return elgg_view('page/components/table', $vars);
-	} elseif ($vars['list_type'] == 'list') {
-		return elgg_view('page/components/list', $vars);
-	} else {
-		return elgg_view('page/components/gallery', $vars);
-	}
+    $offset = (int) get_input('offset', 0);
+
+    // list type can be passed as request parameter
+    $list_type = get_input('list_type', 'list');
+
+    $defaults = [
+        'items' => $entities,
+        'list_class' => 'elgg-list-entity',
+        'full_view' => true,
+        'pagination' => true,
+        'list_type' => $list_type,
+        'list_type_toggle' => false,
+        'offset' => $offset,
+        'limit' => null,
+    ];
+
+    $vars = array_merge($defaults, $vars);
+
+    if (!$vars["limit"] && !$vars["offset"]) {
+        // no need for pagination if listing is unlimited
+        $vars["pagination"] = false;
+    }
+
+    if ($vars['list_type'] == 'table') {
+        return elgg_view('page/components/table', $vars);
+    } elseif ($vars['list_type'] == 'list') {
+        return elgg_view('page/components/list', $vars);
+    } else {
+        return elgg_view('page/components/gallery', $vars);
+    }
 }
 
 /**
@@ -1159,23 +1159,23 @@ 
  * @access private
  */
 function elgg_view_annotation_list($annotations, array $vars = []) {
-	$defaults = [
-		'items' => $annotations,
-		'offset' => null,
-		'limit' => null,
-		'list_class' => 'elgg-list-annotation elgg-annotation-list', // @todo remove elgg-annotation-list in Elgg 1.9
-		'full_view' => true,
-		'offset_key' => 'annoff',
-	];
-
-	$vars = array_merge($defaults, $vars);
-
-	if (!$vars["limit"] && !$vars["offset"]) {
-		// no need for pagination if listing is unlimited
-		$vars["pagination"] = false;
-	}
-
-	return elgg_view('page/components/list', $vars);
+    $defaults = [
+        'items' => $annotations,
+        'offset' => null,
+        'limit' => null,
+        'list_class' => 'elgg-list-annotation elgg-annotation-list', // @todo remove elgg-annotation-list in Elgg 1.9
+        'full_view' => true,
+        'offset_key' => 'annoff',
+    ];
+
+    $vars = array_merge($defaults, $vars);
+
+    if (!$vars["limit"] && !$vars["offset"]) {
+        // no need for pagination if listing is unlimited
+        $vars["pagination"] = false;
+    }
+
+    return elgg_view('page/components/list', $vars);
 }
 
 /**
@@ -1193,20 +1193,20 @@ 
  * @todo Change the hook name.
  */
 function elgg_view_entity_annotations(\ElggEntity $entity, $full_view = true) {
-	if (!($entity instanceof \ElggEntity)) {
-		return false;
-	}
+    if (!($entity instanceof \ElggEntity)) {
+        return false;
+    }
 
-	$entity_type = $entity->getType();
+    $entity_type = $entity->getType();
 
-	$annotations = elgg_trigger_plugin_hook('entity:annotate', $entity_type,
-		[
-			'entity' => $entity,
-			'full_view' => $full_view,
-		]
-	);
+    $annotations = elgg_trigger_plugin_hook('entity:annotate', $entity_type,
+        [
+            'entity' => $entity,
+            'full_view' => $full_view,
+        ]
+    );
 
-	return $annotations;
+    return $annotations;
 }
 
 /**
@@ -1220,9 +1220,9 @@ 
  * @return string The HTML (etc)
  */
 function elgg_view_title($title, array $vars = []) {
-	$vars['title'] = $title;
+    $vars['title'] = $title;
 
-	return elgg_view('page/elements/title', $vars);
+    return elgg_view('page/elements/title', $vars);
 }
 
 /**
@@ -1236,11 +1236,11 @@ 
  * @since 1.7.2
  */
 function elgg_view_friendly_time($time) {
-	$view = 'output/friendlytime';
-	$vars = ['time' => $time];
-	$viewtype = elgg_view_exists($view) ? '' : 'default';
+    $view = 'output/friendlytime';
+    $vars = ['time' => $time];
+    $viewtype = elgg_view_exists($view) ? '' : 'default';
 
-	return _elgg_view_under_viewtype($view, $vars, $viewtype);
+    return _elgg_view_under_viewtype($view, $vars, $viewtype);
 }
 
 /**
@@ -1257,20 +1257,20 @@ 
  * @return string|false Rendered comments or false on failure
  */
 function elgg_view_comments($entity, $add_comment = true, array $vars = []) {
-	if (!($entity instanceof \ElggEntity)) {
-		return false;
-	}
-
-	$vars['entity'] = $entity;
-	$vars['show_add_form'] = $add_comment;
-	$vars['class'] = elgg_extract('class', $vars, "{$entity->getSubtype()}-comments");
-
-	$output = elgg_trigger_plugin_hook('comments', $entity->getType(), $vars, false);
-	if ($output !== false) {
-		return $output;
-	} else {
-		return elgg_view('page/elements/comments', $vars);
-	}
+    if (!($entity instanceof \ElggEntity)) {
+        return false;
+    }
+
+    $vars['entity'] = $entity;
+    $vars['show_add_form'] = $add_comment;
+    $vars['class'] = elgg_extract('class', $vars, "{$entity->getSubtype()}-comments");
+
+    $output = elgg_trigger_plugin_hook('comments', $entity->getType(), $vars, false);
+    if ($output !== false) {
+        return $output;
+    } else {
+        return elgg_view('page/elements/comments', $vars);
+    }
 }
 
 /**
@@ -1292,9 +1292,9 @@ 
  * @since 1.8.0
  */
 function elgg_view_image_block($image, $body, $vars = []) {
-	$vars['image'] = $image;
-	$vars['body'] = $body;
-	return elgg_view('page/components/image_block', $vars);
+    $vars['image'] = $image;
+    $vars['body'] = $body;
+    return elgg_view('page/components/image_block', $vars);
 }
 
 /**
@@ -1313,10 +1313,10 @@ 
  * @since 1.8.0
  */
 function elgg_view_module($type, $title, $body, array $vars = []) {
-	$vars['type'] = $type;
-	$vars['title'] = $title;
-	$vars['body'] = $body;
-	return elgg_view('page/components/module', $vars);
+    $vars['type'] = $type;
+    $vars['title'] = $title;
+    $vars['body'] = $body;
+    return elgg_view('page/components/module', $vars);
 }
 
 /**
@@ -1328,49 +1328,49 @@ 
  * @return string returns empty string if could not be rendered
  */
 function elgg_view_river_item($item, array $vars = []) {
-	if (!($item instanceof \ElggRiverItem)) {
-		return '';
-	}
-	// checking default viewtype since some viewtypes do not have unique views per item (rss)
-	$view = $item->getView();
-	if (!$view || !elgg_view_exists($view, 'default')) {
-		return '';
-	}
-
-	$subject = $item->getSubjectEntity();
-	$object = $item->getObjectEntity();
-	if (!$subject || !$object) {
-		// subject is disabled or subject/object deleted
-		return '';
-	}
-
-	// @todo this needs to be cleaned up
-	// Don't hide objects in closed groups that a user can see.
-	// see https://github.com/elgg/elgg/issues/4789
-	//	else {
-	//		// hide based on object's container
-	//		$visibility = \Elgg\GroupItemVisibility::factory($object->container_guid);
-	//		if ($visibility->shouldHideItems) {
-	//			return '';
-	//		}
-	//	}
-
-	$vars['item'] = $item;
-
-	$river_views = [
-		elgg_extract('item_view', $vars, ''),
-		$view,
-	];
-
-	$contents = '';
-	foreach ($river_views as $view) {
-		if (elgg_view_exists($view)) {
-			$contents = elgg_view($view, $vars);
-			break;
-		}
-	}
-
-	return $contents;
+    if (!($item instanceof \ElggRiverItem)) {
+        return '';
+    }
+    // checking default viewtype since some viewtypes do not have unique views per item (rss)
+    $view = $item->getView();
+    if (!$view || !elgg_view_exists($view, 'default')) {
+        return '';
+    }
+
+    $subject = $item->getSubjectEntity();
+    $object = $item->getObjectEntity();
+    if (!$subject || !$object) {
+        // subject is disabled or subject/object deleted
+        return '';
+    }
+
+    // @todo this needs to be cleaned up
+    // Don't hide objects in closed groups that a user can see.
+    // see https://github.com/elgg/elgg/issues/4789
+    //	else {
+    //		// hide based on object's container
+    //		$visibility = \Elgg\GroupItemVisibility::factory($object->container_guid);
+    //		if ($visibility->shouldHideItems) {
+    //			return '';
+    //		}
+    //	}
+
+    $vars['item'] = $item;
+
+    $river_views = [
+        elgg_extract('item_view', $vars, ''),
+        $view,
+    ];
+
+    $contents = '';
+    foreach ($river_views as $view) {
+        if (elgg_view_exists($view)) {
+            $contents = elgg_view($view, $vars);
+            break;
+        }
+    }
+
+    return $contents;
 }
 
 /**
@@ -1408,7 +1408,7 @@ 
  * @return string The complete form
  */
 function elgg_view_form($action, $form_vars = [], $body_vars = []) {
-	return _elgg_services()->forms->render($action, $form_vars, $body_vars);
+    return _elgg_services()->forms->render($action, $form_vars, $body_vars);
 }
 
 /**
@@ -1421,7 +1421,7 @@ 
  * @return bool
  */
 function elgg_set_form_footer($footer = '') {
-	return _elgg_services()->forms->setFooter($footer);
+    return _elgg_services()->forms->setFooter($footer);
 }
 
 /**
@@ -1429,7 +1429,7 @@ 
  * @return string|false
  */
 function elgg_get_form_footer() {
-	return _elgg_services()->forms->getFooter();
+    return _elgg_services()->forms->getFooter();
 }
 
 /**
@@ -1449,24 +1449,24 @@ 
  */
 function elgg_view_input($input_type, array $vars = []) {
 
-	elgg_deprecated_notice(__FUNCTION__ . '() is deprecated. Use elgg_view_field()', '2.3');
+    elgg_deprecated_notice(__FUNCTION__ . '() is deprecated. Use elgg_view_field()', '2.3');
 
-	$vars['#type'] = $input_type;
+    $vars['#type'] = $input_type;
 
-	if (isset($vars['label']) && $input_type !== 'checkbox') {
-		$vars['#label'] = $vars['label'];
-		unset($vars['label']);
-	}
-	if (isset($vars['help'])) {
-		$vars['#help'] = $vars['help'];
-		unset($vars['help']);
-	}
-	if (isset($vars['field_class'])) {
-		$vars['#class'] = $vars['field_class'];
-		unset($vars['field_class']);
-	}
+    if (isset($vars['label']) && $input_type !== 'checkbox') {
+        $vars['#label'] = $vars['label'];
+        unset($vars['label']);
+    }
+    if (isset($vars['help'])) {
+        $vars['#help'] = $vars['help'];
+        unset($vars['help']);
+    }
+    if (isset($vars['field_class'])) {
+        $vars['#class'] = $vars['field_class'];
+        unset($vars['field_class']);
+    }
 
-	return elgg_view_field($vars);
+    return elgg_view_field($vars);
 }
 
 /**
@@ -1488,93 +1488,93 @@ 
  */
 function elgg_view_field(array $params = []) {
 
-	if (empty($params['#type'])) {
-		_elgg_services()->logger->error(__FUNCTION__ . '(): $params["#type"] is required.');
-		return '';
-	}
-
-	$input_type = $params['#type'];
-	if (!elgg_view_exists("input/$input_type")) {
-		return '';
-	}
-
-	$hidden_types = ['hidden', 'securitytoken'];
-	if (in_array($input_type, $hidden_types)) {
-		unset($params['#type']);
-		unset($params['#label']);
-		unset($params['#help']);
-		unset($params['#class']);
-		return elgg_view("input/$input_type", $params);
-	}
-
-	$id = elgg_extract('id', $params);
-	if (!$id) {
-		$id = "elgg-field-" . base_convert(mt_rand(), 10, 36);
-		$params['id'] = $id;
-	}
-
-	// $vars passed to label, help and field wrapper views
-	$element_vars = [];
-
-	// $vars passed to input/$input_name
-	$input_vars = [];
+    if (empty($params['#type'])) {
+        _elgg_services()->logger->error(__FUNCTION__ . '(): $params["#type"] is required.');
+        return '';
+    }
+
+    $input_type = $params['#type'];
+    if (!elgg_view_exists("input/$input_type")) {
+        return '';
+    }
+
+    $hidden_types = ['hidden', 'securitytoken'];
+    if (in_array($input_type, $hidden_types)) {
+        unset($params['#type']);
+        unset($params['#label']);
+        unset($params['#help']);
+        unset($params['#class']);
+        return elgg_view("input/$input_type", $params);
+    }
+
+    $id = elgg_extract('id', $params);
+    if (!$id) {
+        $id = "elgg-field-" . base_convert(mt_rand(), 10, 36);
+        $params['id'] = $id;
+    }
+
+    // $vars passed to label, help and field wrapper views
+    $element_vars = [];
+
+    // $vars passed to input/$input_name
+    $input_vars = [];
 	
-	$make_special_checkbox_label = false;
-	if ($input_type == 'checkbox' && (isset($params['label']) || isset($params['#label']))) {
-		if (isset($params['#label']) && isset($params['label'])) {
-			$params['label_tag'] = 'div';
-		} else {
-			$label = elgg_extract('label', $params);
-			$label = elgg_extract('#label', $params, $label);
+    $make_special_checkbox_label = false;
+    if ($input_type == 'checkbox' && (isset($params['label']) || isset($params['#label']))) {
+        if (isset($params['#label']) && isset($params['label'])) {
+            $params['label_tag'] = 'div';
+        } else {
+            $label = elgg_extract('label', $params);
+            $label = elgg_extract('#label', $params, $label);
 			
-			$params['#label'] = $label;
-			unset($params['label']);
-
-			// Single checkbox input view gets special treatment
-			// We don't want the field label to appear a checkbox without a label
-			$make_special_checkbox_label = true;
-		}
-	}
-
-	// first pass non-hash keys into both
-	foreach ($params as $key => $value) {
-		if ($key[0] !== '#') {
-			$element_vars[$key] = $value;
-			$input_vars[$key] = $value;
-		}
-	}
-
-	// field input view needs this
-	$input_vars['input_type'] = $input_type;
-
-	// field views get more data
-	$element_vars['input_type'] = $input_type;
+            $params['#label'] = $label;
+            unset($params['label']);
+
+            // Single checkbox input view gets special treatment
+            // We don't want the field label to appear a checkbox without a label
+            $make_special_checkbox_label = true;
+        }
+    }
+
+    // first pass non-hash keys into both
+    foreach ($params as $key => $value) {
+        if ($key[0] !== '#') {
+            $element_vars[$key] = $value;
+            $input_vars[$key] = $value;
+        }
+    }
+
+    // field input view needs this
+    $input_vars['input_type'] = $input_type;
+
+    // field views get more data
+    $element_vars['input_type'] = $input_type;
 	
-	unset($element_vars['class']);
-	if (isset($params['#class'])) {
-		$element_vars['class'] = $params['#class'];
-	}
-	unset($element_vars['help']);
-	if (isset($params['#help'])) {
-		$element_vars['help'] = $params['#help'];
-	}
-	unset($element_vars['label']);
-	if (isset($params['#label'])) {
-		$element_vars['label'] = $params['#label'];
-	}
+    unset($element_vars['class']);
+    if (isset($params['#class'])) {
+        $element_vars['class'] = $params['#class'];
+    }
+    unset($element_vars['help']);
+    if (isset($params['#help'])) {
+        $element_vars['help'] = $params['#help'];
+    }
+    unset($element_vars['label']);
+    if (isset($params['#label'])) {
+        $element_vars['label'] = $params['#label'];
+    }
 	
-	// wrap if present
-	$element_vars['label'] = elgg_view('elements/forms/label', $element_vars);
-	$element_vars['help'] = elgg_view('elements/forms/help', $element_vars);
-
-	if ($make_special_checkbox_label) {
-		$input_vars['label'] = $element_vars['label'];
-		$input_vars['label_tag'] = 'div';
-		unset($element_vars['label']);
-	}
-	$element_vars['input'] = elgg_view("elements/forms/input", $input_vars);
-
-	return elgg_view('elements/forms/field', $element_vars);
+    // wrap if present
+    $element_vars['label'] = elgg_view('elements/forms/label', $element_vars);
+    $element_vars['help'] = elgg_view('elements/forms/help', $element_vars);
+
+    if ($make_special_checkbox_label) {
+        $input_vars['label'] = $element_vars['label'];
+        $input_vars['label_tag'] = 'div';
+        unset($element_vars['label']);
+    }
+    $element_vars['input'] = elgg_view("elements/forms/input", $input_vars);
+
+    return elgg_view('elements/forms/field', $element_vars);
 }
 
 /**
@@ -1593,20 +1593,20 @@ 
  */
 function elgg_view_tagcloud(array $options = []) {
 
-	$type = $subtype = '';
-	if (isset($options['type'])) {
-		$type = $options['type'];
-	}
-	if (isset($options['subtype'])) {
-		$subtype = $options['subtype'];
-	}
-
-	$tag_data = elgg_get_tags($options);
-	return elgg_view("output/tagcloud", [
-		'value' => $tag_data,
-		'type' => $type,
-		'subtype' => $subtype,
-	]);
+    $type = $subtype = '';
+    if (isset($options['type'])) {
+        $type = $options['type'];
+    }
+    if (isset($options['subtype'])) {
+        $subtype = $options['subtype'];
+    }
+
+    $tag_data = elgg_get_tags($options);
+    return elgg_view("output/tagcloud", [
+        'value' => $tag_data,
+        'type' => $type,
+        'subtype' => $subtype,
+    ]);
 }
 
 /**
@@ -1623,21 +1623,21 @@ 
  */
 function elgg_view_list_item($item, array $vars = []) {
 
-	if ($item instanceof \ElggEntity) {
-		return elgg_view_entity($item, $vars);
-	} else if ($item instanceof \ElggAnnotation) {
-		return elgg_view_annotation($item, $vars);
-	} else if ($item instanceof \ElggRiverItem) {
-		return elgg_view_river_item($item, $vars);
-	}
-
-	$view = elgg_extract('item_view', $vars);
-	if ($view && elgg_view_exists($view)) {
-		$vars['item'] = $item;
-		return elgg_view($view, $vars);
-	}
-
-	return '';
+    if ($item instanceof \ElggEntity) {
+        return elgg_view_entity($item, $vars);
+    } else if ($item instanceof \ElggAnnotation) {
+        return elgg_view_annotation($item, $vars);
+    } else if ($item instanceof \ElggRiverItem) {
+        return elgg_view_river_item($item, $vars);
+    }
+
+    $view = elgg_extract('item_view', $vars);
+    if ($view && elgg_view_exists($view)) {
+        $vars['item'] = $item;
+        return elgg_view($view, $vars);
+    }
+
+    return '';
 }
 
 /**
@@ -1653,29 +1653,29 @@ 
  * @throws InvalidArgumentException
  */
 function elgg_view_icon($name, $vars = []) {
-	if (empty($vars)) {
-		$vars = [];
-	}
+    if (empty($vars)) {
+        $vars = [];
+    }
 
-	if (is_string($vars)) {
-		$vars = ['class' => $vars];
-	}
+    if (is_string($vars)) {
+        $vars = ['class' => $vars];
+    }
 
-	if (!is_array($vars)) {
-		throw new \InvalidArgumentException('$vars needs to be a string or an array');
-	}
+    if (!is_array($vars)) {
+        throw new \InvalidArgumentException('$vars needs to be a string or an array');
+    }
 
-	if (!array_key_exists('class', $vars)) {
-		$vars['class'] = [];
-	}
+    if (!array_key_exists('class', $vars)) {
+        $vars['class'] = [];
+    }
 
-	if (!is_array($vars['class'])) {
-		$vars['class'] = [$vars['class']];
-	}
+    if (!is_array($vars['class'])) {
+        $vars['class'] = [$vars['class']];
+    }
 
-	$vars['class'][] = "elgg-icon-$name";
+    $vars['class'][] = "elgg-icon-$name";
 
-	return elgg_view("output/icon", $vars);
+    return elgg_view("output/icon", $vars);
 }
 
 /**
@@ -1684,7 +1684,7 @@ 
  * @return void
  */
 function elgg_register_rss_link() {
-	_elgg_services()->config->set('_elgg_autofeed', true);
+    _elgg_services()->config->set('_elgg_autofeed', true);
 }
 
 /**
@@ -1693,7 +1693,7 @@ 
  * @return void
  */
 function elgg_unregister_rss_link() {
-	_elgg_services()->config->set('_elgg_autofeed', false);
+    _elgg_services()->config->set('_elgg_autofeed', false);
 }
 
 /**
@@ -1703,11 +1703,11 @@ 
  * @access private
  */
 function _elgg_has_rss_link() {
-	if (isset($GLOBALS['autofeed']) && is_bool($GLOBALS['autofeed'])) {
-		elgg_deprecated_notice('Do not set the global $autofeed. Use elgg_register_rss_link()', '2.1');
-		return $GLOBALS['autofeed'];
-	}
-	return (bool) _elgg_services()->config->getVolatile('_elgg_autofeed');
+    if (isset($GLOBALS['autofeed']) && is_bool($GLOBALS['autofeed'])) {
+        elgg_deprecated_notice('Do not set the global $autofeed. Use elgg_register_rss_link()', '2.1');
+        return $GLOBALS['autofeed'];
+    }
+    return (bool) _elgg_services()->config->getVolatile('_elgg_autofeed');
 }
 
 /**
@@ -1728,7 +1728,7 @@ 
  * @access private
  */
 function autoregister_views($view_base, $folder, $ignored, $viewtype) {
-	return _elgg_services()->views->autoregisterViews($view_base, $folder, $viewtype);
+    return _elgg_services()->views->autoregisterViews($view_base, $folder, $viewtype);
 }
 
 /**
@@ -1743,21 +1743,21 @@ 
  * @access private
  */
 function _elgg_views_minify($hook, $type, $content, $params) {
-	if (preg_match('~[\.-]min\.~', $params['view'])) {
-		// bypass minification
-		return;
-	}
-
-	if ($type == 'js') {
-		if (elgg_get_config('simplecache_minify_js')) {
-			return JSMin::minify($content);
-		}
-	} elseif ($type == 'css') {
-		if (elgg_get_config('simplecache_minify_css')) {
-			$cssmin = new CSSmin();
-			return $cssmin->run($content);
-		}
-	}
+    if (preg_match('~[\.-]min\.~', $params['view'])) {
+        // bypass minification
+        return;
+    }
+
+    if ($type == 'js') {
+        if (elgg_get_config('simplecache_minify_js')) {
+            return JSMin::minify($content);
+        }
+    } elseif ($type == 'css') {
+        if (elgg_get_config('simplecache_minify_css')) {
+            $cssmin = new CSSmin();
+            return $cssmin->run($content);
+        }
+    }
 }
 
 /**
@@ -1772,14 +1772,14 @@ 
  * @access private
  */
 function _elgg_views_preprocess_css($hook, $type, $content, $params) {
-	$options = [
-		'minify' => false, // minify handled by _elgg_views_minify
-		'formatter' => 'single-line', // shows lowest byte size
-		'versioning' => false, // versioning done by Elgg
-		'rewrite_import_urls' => false,
-	];
+    $options = [
+        'minify' => false, // minify handled by _elgg_views_minify
+        'formatter' => 'single-line', // shows lowest byte size
+        'versioning' => false, // versioning done by Elgg
+        'rewrite_import_urls' => false,
+    ];
 	
-	return csscrush_string($content, $options);
+    return csscrush_string($content, $options);
 }
 
 /**
@@ -1794,8 +1794,8 @@ 
  * @access private
  */
 function _elgg_views_amd($hook, $type, $content, $params) {
-	$filter = new \Elgg\Amd\ViewFilter();
-	return $filter->filter($params['view'], $content);
+    $filter = new \Elgg\Amd\ViewFilter();
+    return $filter->filter($params['view'], $content);
 }
 
 /**
@@ -1804,7 +1804,7 @@ 
  * @access private
  */
 function _elgg_views_send_header_x_frame_options() {
-	header('X-Frame-Options: SAMEORIGIN');
+    header('X-Frame-Options: SAMEORIGIN');
 }
 
 /**
@@ -1835,27 +1835,27 @@ 
  * @access private
  */
 function _elgg_view_may_be_altered($view, $path) {
-	$views = _elgg_services()->views;
+    $views = _elgg_services()->views;
 
-	if ($views->viewIsExtended($view) || $views->viewHasHookHandlers($view)) {
-		return true;
-	}
+    if ($views->viewIsExtended($view) || $views->viewHasHookHandlers($view)) {
+        return true;
+    }
 
-	$viewtype = elgg_get_viewtype();
+    $viewtype = elgg_get_viewtype();
 
-	// check location
-	if (0 === strpos($path, '/') || preg_match('~^([A-Za-z]\:)?\\\\~', $path)) {
-		// absolute path
-		$expected_path = $path;
-	} else {
-		// relative path
-		$root = dirname(dirname(__DIR__));
-		$expected_path = "$root/views/$viewtype/" . ltrim($path, '/\\');
-	}
+    // check location
+    if (0 === strpos($path, '/') || preg_match('~^([A-Za-z]\:)?\\\\~', $path)) {
+        // absolute path
+        $expected_path = $path;
+    } else {
+        // relative path
+        $root = dirname(dirname(__DIR__));
+        $expected_path = "$root/views/$viewtype/" . ltrim($path, '/\\');
+    }
 
-	$view_path = $views->findViewFile($view, $viewtype);
+    $view_path = $views->findViewFile($view, $viewtype);
 	
-	return realpath($view_path) !== realpath($expected_path);
+    return realpath($view_path) !== realpath($expected_path);
 }
 
 /**
@@ -1867,107 +1867,107 @@ 
  * @elgg_event_handler boot system
  */
 function elgg_views_boot() {
-	if (!elgg_get_config('system_cache_loaded')) {
-		// Core view files in /views
-		_elgg_services()->views->registerPluginViews(realpath(__DIR__ . '/../../'));
+    if (!elgg_get_config('system_cache_loaded')) {
+        // Core view files in /views
+        _elgg_services()->views->registerPluginViews(realpath(__DIR__ . '/../../'));
 
-		// Core view definitions in /engine/views.php
-		$file = dirname(__DIR__) . '/views.php';
-		if (is_file($file)) {
-			$spec = Includer::includeFile($file);
-			if (is_array($spec)) {
-				_elgg_services()->views->mergeViewsSpec($spec);
-			}
-		}
-	}
+        // Core view definitions in /engine/views.php
+        $file = dirname(__DIR__) . '/views.php';
+        if (is_file($file)) {
+            $spec = Includer::includeFile($file);
+            if (is_array($spec)) {
+                _elgg_services()->views->mergeViewsSpec($spec);
+            }
+        }
+    }
 
-	// on every page
+    // on every page
 
-	// jQuery and UI must come before require. See #9024
-	elgg_register_js('jquery', elgg_get_simplecache_url('jquery.js'), 'head');
-	elgg_load_js('jquery');
+    // jQuery and UI must come before require. See #9024
+    elgg_register_js('jquery', elgg_get_simplecache_url('jquery.js'), 'head');
+    elgg_load_js('jquery');
 
-	elgg_register_js('jquery-ui', elgg_get_simplecache_url('jquery-ui.js'), 'head');
-	elgg_load_js('jquery-ui');
+    elgg_register_js('jquery-ui', elgg_get_simplecache_url('jquery-ui.js'), 'head');
+    elgg_load_js('jquery-ui');
 
-	elgg_register_js('elgg.require_config', elgg_get_simplecache_url('elgg/require_config.js'), 'head');
-	elgg_load_js('elgg.require_config');
+    elgg_register_js('elgg.require_config', elgg_get_simplecache_url('elgg/require_config.js'), 'head');
+    elgg_load_js('elgg.require_config');
 
-	elgg_register_js('require', elgg_get_simplecache_url('require.js'), 'head');
-	elgg_load_js('require');
+    elgg_register_js('require', elgg_get_simplecache_url('require.js'), 'head');
+    elgg_load_js('require');
 
-	elgg_register_js('elgg', elgg_get_simplecache_url('elgg.js'), 'head');
-	elgg_load_js('elgg');
+    elgg_register_js('elgg', elgg_get_simplecache_url('elgg.js'), 'head');
+    elgg_load_js('elgg');
 	
-	elgg_register_css('font-awesome', elgg_get_simplecache_url('font-awesome/css/font-awesome.css'));
-	elgg_load_css('font-awesome');
+    elgg_register_css('font-awesome', elgg_get_simplecache_url('font-awesome/css/font-awesome.css'));
+    elgg_load_css('font-awesome');
 
-	elgg_register_css('elgg', elgg_get_simplecache_url('elgg.css'));
-	elgg_load_css('elgg');
+    elgg_register_css('elgg', elgg_get_simplecache_url('elgg.css'));
+    elgg_load_css('elgg');
 
-	elgg_register_simplecache_view('elgg/init.js');
+    elgg_register_simplecache_view('elgg/init.js');
 
-	elgg_extend_view('elgg.css', 'lightbox/elgg-colorbox-theme/colorbox.css');
+    elgg_extend_view('elgg.css', 'lightbox/elgg-colorbox-theme/colorbox.css');
 
-	elgg_define_js('jquery.ui.autocomplete.html', [
-		'deps' => ['jquery-ui'],
-	]);
+    elgg_define_js('jquery.ui.autocomplete.html', [
+        'deps' => ['jquery-ui'],
+    ]);
 
-	elgg_register_js('elgg.avatar_cropper', elgg_get_simplecache_url('elgg/ui.avatar_cropper.js'));
+    elgg_register_js('elgg.avatar_cropper', elgg_get_simplecache_url('elgg/ui.avatar_cropper.js'));
 
-	// @deprecated 2.2
-	elgg_register_js('elgg.ui.river', elgg_get_simplecache_url('elgg/ui.river.js'));
+    // @deprecated 2.2
+    elgg_register_js('elgg.ui.river', elgg_get_simplecache_url('elgg/ui.river.js'));
 
-	elgg_register_js('jquery.imgareaselect', elgg_get_simplecache_url('jquery.imgareaselect.js'));
-	elgg_register_css('jquery.imgareaselect', elgg_get_simplecache_url('jquery.imgareaselect.css'));
+    elgg_register_js('jquery.imgareaselect', elgg_get_simplecache_url('jquery.imgareaselect.js'));
+    elgg_register_css('jquery.imgareaselect', elgg_get_simplecache_url('jquery.imgareaselect.css'));
 
-	elgg_register_ajax_view('languages.js');
+    elgg_register_ajax_view('languages.js');
 
-	// pre-process CSS regardless of simplecache
-	elgg_register_plugin_hook_handler('cache:generate', 'css', '_elgg_views_preprocess_css');
-	elgg_register_plugin_hook_handler('simplecache:generate', 'css', '_elgg_views_preprocess_css');
+    // pre-process CSS regardless of simplecache
+    elgg_register_plugin_hook_handler('cache:generate', 'css', '_elgg_views_preprocess_css');
+    elgg_register_plugin_hook_handler('simplecache:generate', 'css', '_elgg_views_preprocess_css');
 
-	elgg_register_plugin_hook_handler('simplecache:generate', 'js', '_elgg_views_amd');
-	elgg_register_plugin_hook_handler('simplecache:generate', 'css', '_elgg_views_minify');
-	elgg_register_plugin_hook_handler('simplecache:generate', 'js', '_elgg_views_minify');
+    elgg_register_plugin_hook_handler('simplecache:generate', 'js', '_elgg_views_amd');
+    elgg_register_plugin_hook_handler('simplecache:generate', 'css', '_elgg_views_minify');
+    elgg_register_plugin_hook_handler('simplecache:generate', 'js', '_elgg_views_minify');
 
-	elgg_register_plugin_hook_handler('output:before', 'page', '_elgg_views_send_header_x_frame_options');
+    elgg_register_plugin_hook_handler('output:before', 'page', '_elgg_views_send_header_x_frame_options');
 
-	// registered with high priority for BC
-	// prior to 2.2 registration used to take place in _elgg_views_prepare_head() before the hook was triggered
-	elgg_register_plugin_hook_handler('head', 'page', '_elgg_views_prepare_favicon_links', 1);
+    // registered with high priority for BC
+    // prior to 2.2 registration used to take place in _elgg_views_prepare_head() before the hook was triggered
+    elgg_register_plugin_hook_handler('head', 'page', '_elgg_views_prepare_favicon_links', 1);
 	
-	// @todo the cache is loaded in load_plugins() but we need to know viewtypes earlier
-	$view_path = _elgg_services()->views->view_path;
-	$viewtype_dirs = scandir($view_path);
-	foreach ($viewtype_dirs as $viewtype) {
-		if (_elgg_is_valid_viewtype($viewtype) && is_dir($view_path . $viewtype)) {
-			elgg_register_viewtype($viewtype);
-		}
-	}
-
-	// set default icon sizes - can be overridden in settings.php or with plugin
-	if (!_elgg_services()->config->getVolatile('icon_sizes')) {
-		$icon_sizes = [
-			'topbar' => ['w' => 16, 'h' => 16, 'square' => true, 'upscale' => true],
-			'tiny' => ['w' => 25, 'h' => 25, 'square' => true, 'upscale' => true],
-			'small' => ['w' => 40, 'h' => 40, 'square' => true, 'upscale' => true],
-			'medium' => ['w' => 100, 'h' => 100, 'square' => true, 'upscale' => true],
-			'large' => ['w' => 200, 'h' => 200, 'square' => false, 'upscale' => false],
-			'master' => ['w' => 550, 'h' => 550, 'square' => false, 'upscale' => false],
-		];
-		elgg_set_config('icon_sizes', $icon_sizes);
-	}
-
-	// Patches and features that were included between major releases
-	// sometimes require additional styling, but adding them to core CSS files
-	// is not always feasible, because those can be replaced by themes.
-	// @todo Remove in 3.0
-	elgg_extend_view('elgg.css', 'elements/pathces.css');
-	elgg_extend_view('admin.css', 'elements/pathces.css');
-
-	// Configure lightbox
-	elgg_register_plugin_hook_handler('elgg.data', 'site', '_elgg_set_lightbox_config');
+    // @todo the cache is loaded in load_plugins() but we need to know viewtypes earlier
+    $view_path = _elgg_services()->views->view_path;
+    $viewtype_dirs = scandir($view_path);
+    foreach ($viewtype_dirs as $viewtype) {
+        if (_elgg_is_valid_viewtype($viewtype) && is_dir($view_path . $viewtype)) {
+            elgg_register_viewtype($viewtype);
+        }
+    }
+
+    // set default icon sizes - can be overridden in settings.php or with plugin
+    if (!_elgg_services()->config->getVolatile('icon_sizes')) {
+        $icon_sizes = [
+            'topbar' => ['w' => 16, 'h' => 16, 'square' => true, 'upscale' => true],
+            'tiny' => ['w' => 25, 'h' => 25, 'square' => true, 'upscale' => true],
+            'small' => ['w' => 40, 'h' => 40, 'square' => true, 'upscale' => true],
+            'medium' => ['w' => 100, 'h' => 100, 'square' => true, 'upscale' => true],
+            'large' => ['w' => 200, 'h' => 200, 'square' => false, 'upscale' => false],
+            'master' => ['w' => 550, 'h' => 550, 'square' => false, 'upscale' => false],
+        ];
+        elgg_set_config('icon_sizes', $icon_sizes);
+    }
+
+    // Patches and features that were included between major releases
+    // sometimes require additional styling, but adding them to core CSS files
+    // is not always feasible, because those can be replaced by themes.
+    // @todo Remove in 3.0
+    elgg_extend_view('elgg.css', 'elements/pathces.css');
+    elgg_extend_view('admin.css', 'elements/pathces.css');
+
+    // Configure lightbox
+    elgg_register_plugin_hook_handler('elgg.data', 'site', '_elgg_set_lightbox_config');
 }
 
 /**
@@ -1979,21 +1979,21 @@ 
  * @access private
  */
 function _elgg_get_js_site_data() {
-	$language = elgg_get_config('language');
-	if (!$language) {
-		$language = 'en';
-	}
-
-	return [
-		'elgg.data' => (object) elgg_trigger_plugin_hook('elgg.data', 'site', null, []),
-		'elgg.version' => elgg_get_version(),
-		'elgg.release' => elgg_get_version(true),
-		'elgg.config.wwwroot' => elgg_get_site_url(),
-
-		// refresh token 3 times during its lifetime (in microseconds 1000 * 1/3)
-		'elgg.security.interval' => (int) _elgg_services()->actions->getActionTokenTimeout() * 333,
-		'elgg.config.language' => $language,
-	];
+    $language = elgg_get_config('language');
+    if (!$language) {
+        $language = 'en';
+    }
+
+    return [
+        'elgg.data' => (object) elgg_trigger_plugin_hook('elgg.data', 'site', null, []),
+        'elgg.version' => elgg_get_version(),
+        'elgg.release' => elgg_get_version(true),
+        'elgg.config.wwwroot' => elgg_get_site_url(),
+
+        // refresh token 3 times during its lifetime (in microseconds 1000 * 1/3)
+        'elgg.security.interval' => (int) _elgg_services()->actions->getActionTokenTimeout() * 333,
+        'elgg.config.language' => $language,
+    ];
 }
 
 /**
@@ -2003,48 +2003,48 @@ 
  * @access private
  */
 function _elgg_get_js_page_data() {
-	$data = elgg_trigger_plugin_hook('elgg.data', 'page', null, []);
-	if (!is_array($data)) {
-		elgg_log('"elgg.data" plugin hook handlers must return an array. Returned ' . gettype($data) . '.', 'ERROR');
-		$data = [];
-	}
-
-	$elgg = [
-		'config' => [
-			'lastcache' => (int) elgg_get_config('lastcache'),
-			'viewtype' => elgg_get_viewtype(),
-			'simplecache_enabled' => (int) elgg_is_simplecache_enabled(),
-		],
-		'security' => [
-			'token' => [
-				'__elgg_ts' => $ts = time(),
-				'__elgg_token' => generate_action_token($ts),
-			],
-		],
-		'session' => [
-			'user' => null,
-			'token' => _elgg_services()->session->get('__elgg_session'),
-		],
-		'_data' => (object) $data,
-	];
-
-	if (elgg_get_config('elgg_load_sync_code')) {
-		$elgg['config']['load_sync_code'] = true;
-	}
-
-	$page_owner = elgg_get_page_owner_entity();
-	if ($page_owner instanceof ElggEntity) {
-		$elgg['page_owner'] = $page_owner->toObject();
-	}
-
-	$user = elgg_get_logged_in_user_entity();
-	if ($user instanceof ElggUser) {
-		$user_object = $user->toObject();
-		$user_object->admin = $user->isAdmin();
-		$elgg['session']['user'] = $user_object;
-	}
-
-	return $elgg;
+    $data = elgg_trigger_plugin_hook('elgg.data', 'page', null, []);
+    if (!is_array($data)) {
+        elgg_log('"elgg.data" plugin hook handlers must return an array. Returned ' . gettype($data) . '.', 'ERROR');
+        $data = [];
+    }
+
+    $elgg = [
+        'config' => [
+            'lastcache' => (int) elgg_get_config('lastcache'),
+            'viewtype' => elgg_get_viewtype(),
+            'simplecache_enabled' => (int) elgg_is_simplecache_enabled(),
+        ],
+        'security' => [
+            'token' => [
+                '__elgg_ts' => $ts = time(),
+                '__elgg_token' => generate_action_token($ts),
+            ],
+        ],
+        'session' => [
+            'user' => null,
+            'token' => _elgg_services()->session->get('__elgg_session'),
+        ],
+        '_data' => (object) $data,
+    ];
+
+    if (elgg_get_config('elgg_load_sync_code')) {
+        $elgg['config']['load_sync_code'] = true;
+    }
+
+    $page_owner = elgg_get_page_owner_entity();
+    if ($page_owner instanceof ElggEntity) {
+        $elgg['page_owner'] = $page_owner->toObject();
+    }
+
+    $user = elgg_get_logged_in_user_entity();
+    if ($user instanceof ElggUser) {
+        $user_object = $user->toObject();
+        $user_object->admin = $user->isAdmin();
+        $elgg['session']['user'] = $user_object;
+    }
+
+    return $elgg;
 }
 
 /**
@@ -2059,18 +2059,18 @@ 
  * @access private
  */
 function _elgg_view_under_viewtype($view, $vars, $viewtype) {
-	if ($viewtype) {
-		$old = elgg_get_viewtype();
-		elgg_set_viewtype($viewtype);
-	}
+    if ($viewtype) {
+        $old = elgg_get_viewtype();
+        elgg_set_viewtype($viewtype);
+    }
 
-	$ret = elgg_view($view, $vars);
+    $ret = elgg_view($view, $vars);
 
-	if ($viewtype) {
-		elgg_set_viewtype($old);
-	}
+    if ($viewtype) {
+        elgg_set_viewtype($old);
+    }
 
-	return $ret;
+    return $ret;
 }
 
 /**
@@ -2085,17 +2085,17 @@ 
  */
 function _elgg_set_lightbox_config($hook, $type, $return, $params) {
 
-	$return['lightbox'] = [
-		'current' => elgg_echo('js:lightbox:current', ['{current}', '{total}']),
-		'previous' => elgg_view_icon('caret-left'),
-		'next' => elgg_view_icon('caret-right'),
-		'close' => elgg_view_icon('times'),
-		'opacity' => 0.5,
-		'maxWidth' => '990px',
-		'maxHeight' => '990px',
-		'initialWidth' => '300px',
-		'initialHeight' => '300px',
-	];
-
-	return $return;
+    $return['lightbox'] = [
+        'current' => elgg_echo('js:lightbox:current', ['{current}', '{total}']),
+        'previous' => elgg_view_icon('caret-left'),
+        'next' => elgg_view_icon('caret-right'),
+        'close' => elgg_view_icon('times'),
+        'opacity' => 0.5,
+        'maxWidth' => '990px',
+        'maxHeight' => '990px',
+        'initialWidth' => '300px',
+        'initialHeight' => '300px',
+    ];
+
+    return $return;
 }