- add_action( 'save_post', array(&$this, 'flush_widget_cache') );
- add_action( 'deleted_post', array(&$this, 'flush_widget_cache') );
- add_action( 'switch_theme', array(&$this, 'flush_widget_cache') );
+ add_action( 'save_post', array($this, 'flush_widget_cache') );
+ add_action( 'deleted_post', array($this, 'flush_widget_cache') );
+ add_action( 'switch_theme', array($this, 'flush_widget_cache') );