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Edit File: class-cartflows-pro-base-offer.php

<?php /** * Offer * * @package cartflows */ if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } define( 'CARTFLOWS_PRO_BASE_OFFER_DIR', CARTFLOWS_PRO_DIR . 'modules/offer/' ); /** * Initial Setup * * @since 1.0.0 */ class Cartflows_Pro_Base_Offer { /** * Member Variable * * @var object instance */ private static $instance; /** * Initiator */ public static function get_instance() { if ( ! isset( self::$instance ) ) { self::$instance = new self(); } return self::$instance; } /** * Constructor function that initializes required actions and hooks */ public function __construct() { require_once CARTFLOWS_PRO_BASE_OFFER_DIR . 'classes/class-cartflows-pro-base-offer-shortcodes.php'; require_once CARTFLOWS_PRO_BASE_OFFER_DIR . 'classes/class-cartflows-pro-base-offer-markup.php'; require_once CARTFLOWS_PRO_BASE_OFFER_DIR . 'classes/class-cartflows-pro-base-offer-meta-data.php'; /* Offer order hierachy of separate orders */ require_once CARTFLOWS_PRO_BASE_OFFER_DIR . 'classes/class-cartflows-pro-offer-order-meta.php'; if ( wcf_pro()->is_wcs_active ) { require_once CARTFLOWS_PRO_BASE_OFFER_DIR . 'classes/class-cartflows-pro-offer-subscriptions.php'; } } } /** * Kicking this off by calling 'get_instance()' method */ Cartflows_Pro_Base_Offer::get_instance();