diff --git a/classes/class-wp-widget-disable.php b/classes/class-wp-widget-disable.php
index f43c9b5..0806174 100644
--- a/classes/class-wp-widget-disable.php
+++ b/classes/class-wp-widget-disable.php
@@ -192,7 +192,7 @@ public function has_settings_errors() {
 	public function save_network_options() {
 		$data = [];
 
-		// phpcs:disable WordPress.CSRF.NonceVerification.NoNonceVerification
+		// phpcs:disable WordPress.Security.NonceVerification
 		if ( isset( $_POST[ $this->dashboard_widgets_option ] ) ) {
 			$data = $this->sanitize_dashboard_widgets( $_POST[ $this->dashboard_widgets_option ] );
 		}
@@ -401,7 +401,7 @@ public function sanitize_sidebar_widgets( $input ) {
 				// Check to see if the current option has a value. If so, process it.
 				if ( isset( $input[ $key ] ) ) {
 					// Strip all HTML and PHP tags and properly handle quoted strings.
-					$output[ $key ] = strip_tags( stripslashes( $input[ $key ] ) );
+					$output[ $key ] = wp_strip_all_tags( stripslashes( $input[ $key ] ) );
 				}
 			}
 
@@ -462,7 +462,7 @@ public function sanitize_dashboard_widgets( $input ) {
 				// Check to see if the current option has a value. If so, process it.
 				if ( isset( $input[ $key ] ) ) {
 					// Strip all HTML and PHP tags and properly handle quoted strings.
-					$output[ $key ] = strip_tags( stripslashes( $input[ $key ] ) );
+					$output[ $key ] = wp_strip_all_tags( stripslashes( $input[ $key ] ) );
 				}
 			}
 
diff --git a/phpcs.xml.dist b/phpcs.xml.dist
index 0c2acf2..b4168dc 100644
--- a/phpcs.xml.dist
+++ b/phpcs.xml.dist
@@ -17,7 +17,7 @@
     <!-- Define both prefixes for functions and hooks.  -->
     <rule ref="WordPress.NamingConventions.PrefixAllGlobals">
         <properties>
-            <property name="prefixes" type="array" value="wp_widget_disable"/>
+            <property name="prefixes" type="array" value="widget_disable,WP_Widget_Disable"/>
         </properties>
     </rule>
 
diff --git a/uninstall.php b/uninstall.php
index cf765b1..dcbd65c 100644
--- a/uninstall.php
+++ b/uninstall.php
@@ -1,38 +1,31 @@
 <?php
 /**
- * Fired when the plugin is uninstalled.
- *
- * @package   WP_Widget_Disable
- * @author    Silvan Hagen <silvan@required.ch>
- * @license   GPL-2.0+
- * @link      http://wp.required.ch/plugins/wp-widget-disable
- * @copyright 2015 required gmbh
+ * Included when the plugin is uninstalled.
  */
 
 defined( 'WP_UNINSTALL_PLUGIN' ) || die;
 
-$options = [
+$widget_disable_options = [
 	'rplus_wp_widget_disable_sidebar_option',
 	'rplus_wp_widget_disable_dashboard_option',
 ];
 
 if ( ! is_multisite() ) {
-	foreach ( $options as $option ) {
-		delete_option( $option );
+	foreach ( $widget_disable_options as $widget_disable_option ) {
+		delete_option( $widget_disable_option );
 	}
 } else {
 	global $wpdb;
 
-	$blog_ids         = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
-	$original_blog_id = get_current_blog_id();
+	$widget_disable_ids = $wpdb->get_col( "SELECT blog_id FROM $wpdb->blogs" );
 
-	foreach ( $blog_ids as $blog_id ) {
-		switch_to_blog( $blog_id );
+	foreach ( $widget_disable_ids as $widget_disable_id ) {
+		switch_to_blog( $widget_disable_id );
 
-		foreach ( $options as $option ) {
-			delete_option( $option );
+		foreach ( $widget_disable_options as $widget_disable_option ) {
+			delete_option( $widget_disable_option );
 		}
-	}
 
-	switch_to_blog( $original_blog_id );
+		restore_current_blog( $widget_disable_id );
+	}
 }
diff --git a/views/admin.php b/views/admin.php
index 3ca0add..8d7bdf3 100644
--- a/views/admin.php
+++ b/views/admin.php
@@ -3,15 +3,10 @@
  * Represents the view for the administration dashboard.
  *
  * This includes the header, options, and other information that should provide
- * The User Interface to the end user.
- *
- * @package   WP_Widget_Disable
- * @author    Silvan Hagen <silvan@required.ch>
- * @license   GPL-2.0+
- * @link      http://wp.required.ch/plugins/wp-widget-disable
- * @copyright 2015 required gmbh
+ * the User Interface to the end user.
  */
 
+// phpcs:disable WordPress.NamingConventions, VariableAnalysis.CodeAnalysis.VariableAnalysis.UndefinedVariable -- Variables are not global.
 $sidebar_tab_url = add_query_arg(
 	[
 		'page' => 'wp-widget-disable',
@@ -28,7 +23,7 @@
 
 $active_tab = $this->sidebar_widgets_option;
 
-// phpcs:ignore WordPress.CSRF.NonceVerification.NoNonceVerification
+// phpcs:ignore WordPress.Security.NonceVerification
 if ( is_network_admin() || ( isset( $_GET['tab'] ) && 'dashboard' === $_GET['tab'] ) ) {
 	$active_tab = $this->dashboard_widgets_option;
 }
diff --git a/wp-widget-disable.php b/wp-widget-disable.php
index 0b09fdc..084f7af 100644
--- a/wp-widget-disable.php
+++ b/wp-widget-disable.php
@@ -48,8 +48,8 @@
 	// Pull in the plugin classes and initialize.
 	include __DIR__ . '/classes/class-wp-widget-disable.php';
 
-	$wp_widget_disable = new WP_Widget_Disable();
-	add_action( 'plugins_loaded', array( $wp_widget_disable, 'add_hooks' ) );
+	$widget_disable = new WP_Widget_Disable();
+	add_action( 'plugins_loaded', array( $widget_disable, 'add_hooks' ) );
 }
 
 unset( $requirements_check );