/** * Main WP_Email_Delivery Instance * * Ensures only one instance of WP_Email_Delivery is loaded or can be loaded. * * @since 1.0.0 * @static * @see WP_Email_Delivery() * @return Main WP_Email_Delivery instance */ public static function instance($file = '', $version = '1.0.0') { if (is_null(self::$_instance)) { self::$_instance = new self($file, $version); } else { return self::$_instance; } self::$_instance->setup_constants(); if (is_null(self::$_instance->settings)) { self::$_instance->settings = WP_Email_Delivery_Settings::instance(self::$_instance); } if (is_null(self::$_instance->connections)) { self::$_instance->connections = WP_Email_Delivery_Connections::instance(self::$_instance); } return self::$_instance; }
/** * Main WP_Email_Delivery_Connections Instance * * Ensures only one instance of WP_Email_Delivery_Connections is loaded or can be loaded. * * @since 1.0.0 * @static * @see WP_Email_Delivery() * @return Main WP_Email_Delivery_Connections instance */ public static function instance($parent) { if (is_null(self::$_instance)) { self::$_instance = new self($parent); } return self::$_instance; }