Noptin_Page::get_request_action()

	public function get_request_action() {

		$matched_var = get_query_var( 'noptin_newsletter' );

		if ( ! empty( $matched_var ) ) {
			return sanitize_title_with_dashes( trim( urldecode( $matched_var ) ) );
		}

		// For backwards compatibility.
		if ( empty( $_REQUEST['noptin_action'] ) && empty( $_REQUEST['na'] ) ) {
			return '';
		}

		// Prepare the action to execute...
		$action = empty( $_REQUEST['noptin_action'] ) ? trim( $_REQUEST['na'] ) : trim( $_REQUEST['noptin_action'] );
		return sanitize_title_with_dashes( urldecode( $action ) );

	}