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Edit File: aelia-currencyswitcher.cls.php

<?php /** * The Third Party integration with the Aelia CurrencySwitcher plugin. * * @since 1.0.13 * @since 2.6 Removed hook_vary as OLS supports vary header already * @package LiteSpeed_Cache * @subpackage LiteSpeed_Cache/thirdparty * @author LiteSpeed Technologies <info@litespeedtech.com> */ namespace LiteSpeed\Thirdparty; defined('WPINC') || exit(); use LiteSpeed\API; class Aelia_CurrencySwitcher { private static $_cookies = array('aelia_cs_selected_currency', 'aelia_customer_country', 'aelia_customer_state', 'aelia_tax_exempt'); /** * Detects if WooCommerce is installed. * * @since 1.0.13 * @access public */ public static function detect() { if (defined('WOOCOMMERCE_VERSION') && isset($GLOBALS['woocommerce-aelia-currencyswitcher']) && is_object($GLOBALS['woocommerce-aelia-currencyswitcher'])) { // Not all pages need to add vary, so need to use this API to set conditions self::$_cookies = apply_filters('litespeed_3rd_aelia_cookies', self::$_cookies); add_filter('litespeed_vary_curr_cookies', __CLASS__ . '::check_cookies'); // this is for vary response headers, only add when needed add_filter('litespeed_vary_cookies', __CLASS__ . '::register_cookies'); // this is for rewrite rules, so always add } } public static function register_cookies($list) { return array_merge($list, self::$_cookies); } /** * If the page is not a woocommerce page, ignore the logic. * Else check cookies. If cookies are set, set the vary headers, else do not cache the page. * * @since 1.0.13 * @access public */ public static function check_cookies($list) { // NOTE: is_cart and is_checkout should also be checked, but will be checked by woocommerce anyway. if (!is_woocommerce()) { return $list; } return array_merge($list, self::$_cookies); } }