Please use x() correctly:

<?php
if (x($someArray, 'element')) {
	// Do something
}
?>

Signed-off-by: Roland Haeder <roland@mxchange.org>

mod/admin.php

@@ -2017,22 +2017,22 @@ function admin_page_features_post(App $a) {
 	$features = get_features(false);
 
 	foreach ($features as $fname => $fdata) {
-		foreach (array_slice($fdata,1) as $f) {
+		foreach (array_slice($fdata, 1) as $f) {
 			$feature = $f[0];
-			$feature_state = 'feature_'.$feature;
-			$featurelock = 'featurelock_'.$feature;
+			$feature_state = 'feature_' . $feature;
+			$featurelock = 'featurelock_' . $feature;
 
-			if (x($_POST[$feature_state])) {
-				$val = intval($_POST['feature_'.$feature]);
+			if (x($_POST, $feature_state)) {
+				$val = intval($_POST[$feature_state]);
 			} else {
 				$val = 0;
 			}
 			set_config('feature',$feature,$val);
 
-			if (x($_POST[$featurelock])) {
-				set_config('feature_lock',$feature,$val);
+			if (x($_POST, $featurelock)) {
+				set_config('feature_lock', $feature, $val);
 			} else {
-				del_config('feature_lock',$feature);
+				del_config('feature_lock', $feature);
 			}
 		}
 	}

mod/network.php

@@ -6,7 +6,7 @@ function network_init(App $a) {
 	}
 
 	$is_a_date_query = false;
-	if (x($_GET['cid']) && intval($_GET['cid']) != 0) {
+	if (x($_GET, 'cid') && intval($_GET['cid']) != 0) {
 		$cid = $_GET['cid'];
 	}
 
@@ -103,24 +103,27 @@ function network_init(App $a) {
 		}
 	}
 
-	if(x($_GET['nets']) && $_GET['nets'] === 'all')
+	// If nets is set to all, unset it
+	if (x($_GET, 'nets') && $_GET['nets'] === 'all') {
 		unset($_GET['nets']);
+	}
 
 	$group_id = (($a->argc > 1 && is_numeric($a->argv[1])) ? intval($a->argv[1]) : 0);
 
 	set_pconfig(local_user(), 'network.view', 'group.selected', $group_id);
 
-	require_once('include/group.php');
-	require_once('include/contact_widgets.php');
-	require_once('include/items.php');
-	require_once('include/ForumManager.php');
+	require_once 'include/group.php';
+	require_once 'include/contact_widgets.php';
+	require_once 'include/items.php';
+	require_once 'include/ForumManager.php';
 
-	if(! x($a->page,'aside'))
+	if (! x($a->page, 'aside')) {
 		$a->page['aside'] = '';
+	}
 
-	$search = ((x($_GET,'search')) ? escape_tags($_GET['search']) : '');
+	$search = ((x($_GET, 'search')) ? escape_tags($_GET['search']) : '');
 
-	if(x($_GET,'save')) {
+	if (x($_GET, 'save')) {
 		$r = qu("SELECT * FROM `search` WHERE `uid` = %d AND `term` = '%s' LIMIT 1",
 			intval(local_user()),
 			dbesc($search)
@@ -132,7 +135,7 @@ function network_init(App $a) {
 			);
 		}
 	}
-	if(x($_GET,'remove')) {
+	if (x($_GET, 'remove')) {
 		q("DELETE FROM `search` WHERE `uid` = %d AND `term` = '%s'",
 			intval(local_user()),
 			dbesc($search)
@@ -140,7 +143,7 @@ function network_init(App $a) {
 	}
 
 	// search terms header
-	if(x($_GET,'search')) {
+	if (x($_GET, 'search')) {
 		$a->page['content'] .= replace_macros(get_markup_template("section_title.tpl"),array(
 			'$title' => sprintf( t('Results for: %s'), $search)
 		));
@@ -157,8 +160,9 @@ function network_init(App $a) {
 
 function saved_searches($search) {
 
-	if(! feature_enabled(local_user(),'savedsearch'))
+	if (! feature_enabled(local_user(),'savedsearch')) {
 		return '';
+	}
 
 	$a = get_app();
 

view/theme/vier/theme.php

@@ -213,8 +213,9 @@ function vier_community_info() {
 
 		require_once('include/ForumManager.php');
 
-		if (x($_GET['cid']) && intval($_GET['cid']) != 0)
+		if (x($_GET, 'cid') && intval($_GET['cid']) != 0) {
 			$cid = $_GET['cid'];
+		}
 
 		//sort by last updated item
 		$lastitem = true;
@@ -227,18 +228,18 @@ function vier_community_info() {
 
 			$id = 0;
 
-			foreach($contacts as $contact) {
+			foreach ($contacts as $contact) {
 
 				$selected = (($cid == $contact['id']) ? ' forum-selected' : '');
 
 				$entry = array(
-					'url' => 'network?f=&cid=' . $contact['id'],
+					'url'          => 'network?f=&cid=' . $contact['id'],
 					'external_url' => 'redir/' . $contact['id'],
-					'name' => $contact['name'],
-					'cid' => $contact['id'],
-					'selected' 	=> $selected,
-					'micro' => App::remove_baseurl(proxy_url($contact['micro'], false, PROXY_SIZE_MICRO)),
-					'id' => ++$id,
+					'name'         => $contact['name'],
+					'cid'          => $contact['id'],
+					'selected'     => $selected,
+					'micro'        => App::remove_baseurl(proxy_url($contact['micro'], false, PROXY_SIZE_MICRO)),
+					'id'           => ++$id,
 				);
 				$entries[] = $entry;
 			}
@@ -247,12 +248,12 @@ function vier_community_info() {
 			$tpl = get_markup_template('widget_forumlist_right.tpl');
 
 			$page .= replace_macros($tpl,array(
-				'$title'	=> t('Forums'),
-				'$forums'	=> $entries,
-				'$link_desc'	=> t('External link to forum'),
-				'$total'	=> $total,
+				'$title'          => t('Forums'),
+				'$forums'         => $entries,
+				'$link_desc'      => t('External link to forum'),
+				'$total'          => $total,
 				'$visible_forums' => $visible_forums,
-				'$showmore'	=> t('show more'),
+				'$showmore'       => t('show more'),
 			));
 
 			$aside['$page'] = $page;