/** * Get accessor method for instance property. * * @return WP_Ads Instance of the class. */ public static function get_instance() { if (null == self::$instance) { self::$instance = new self(); } return self::$instance; }
/** * Initializes class. */ public function __construct() { $this->version = WP_Ads::get_instance()->get_version(); parent::__construct($this->slug, __('Ad Code', $this->slug), array('classname' => $this->slug, 'description' => __('A widget for displaying ads with code.', $this->slug))); add_action('admin_print_styles', array($this, 'register_admin_styles')); }