Version 4.7.6

system/Widget/Widget.php

@@ -1044,7 +1044,7 @@ abstract class _Widget
 		{
 			$data = json_decode( $row['widgets'], TRUE );
 			
-			if ( \count( $data ) )
+			if ( is_countable( $data ) AND \count( $data ) )
 			{
 				foreach( $data as $widget )
 				{
@@ -1222,4 +1222,47 @@ abstract class _Widget
 
 		return $form;
 	}
+
+	/**
+	 * This method can be used to remove a widgets appearances in the CMS and Core App
+	 *
+	 * @param string $widgetkey		The widget key
+	 * @param string $app			The app the widget belongs to
+	 * @return bool
+	 */
+	final public static function deprecateWidget(string $widgetkey, string $app )
+	{
+		$areas = array( 'core_widget_areas' );
+		if ( \IPS\Application::appIsEnabled('cms') )
+		{
+			$areas[] = 'cms_page_widget_areas';
+		}
+
+		foreach ( $areas as $table )
+		{
+			$widgetsColumn = $table == 'core_widget_areas' ? 'widgets' : 'area_widgets';
+			foreach ( \IPS\Db::i()->select( '*', $table ) as $area )
+			{
+				$whereClause = $table == 'core_widget_areas' ? array( 'id=? AND area=?', $area['id'], $area['area'] ) : array( 'area_page_id=? AND area_area=?', $area['area_page_id'], $area['area_area'] );
+
+				$widgets = json_decode( $area[ $widgetsColumn ], TRUE );
+				$update = FALSE;
+
+				foreach ( $widgets as $k => $widget )
+				{
+					if ( $widget['key'] == $widgetkey AND $app == $widget['app'] )
+					{
+						unset( $widgets[ $k ] );
+						$update = TRUE;
+					}
+
+				}
+				if ( $update )
+				{
+					\IPS\Db::i()->update( $table, array( $widgetsColumn => json_encode( $widgets ) ), $whereClause );
+				}
+			}
+		}
+		return TRUE;
+	}
 }