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✏️ Editing: class-wcml-xdomain-data.php

<?php

/**
 * Handles data being passed between different domains using WPML xDomain logic
 * https://wpml.org/?page_id=693147
 */
class WCML_xDomain_Data implements \IWPML_Backend_Action, \IWPML_Frontend_Action, \IWPML_DIC_Action {

/**
	 * @var WPML_Cookie
	 */
	private $cookie_handler;

public function __construct( WPML_Cookie $cookie_handler ) {
		$this->cookie_handler = $cookie_handler;
	}

public function add_hooks() {
		add_filter( 'wpml_cross_domain_language_data', [ $this, 'pass_data_to_domain' ] );
		add_action( 'before_woocommerce_init', [ $this, 'check_request' ] );
	}

/**
	 * @param array $data
	 *
	 * @return array
	 */
	public function pass_data_to_domain( $data ) {

$wcml_session_id = md5( microtime() . uniqid( (string) mt_rand(), true ) );
		$data['wcsid']   = $wcml_session_id;
		$session_data    = [];

if ( isset( $_COOKIE[ 'wp_woocommerce_session_' . COOKIEHASH ] ) ) {
			$session_data['session'] = $_COOKIE[ 'wp_woocommerce_session_' . COOKIEHASH ];
		}

if ( isset( $_COOKIE['woocommerce_cart_hash'] ) ) {
			$session_data['hash']  = $_COOKIE['woocommerce_cart_hash'];
			$session_data['items'] = $_COOKIE['woocommerce_items_in_cart'];
		}

if ( ! empty( $session_data ) ) {
			update_option( 'wcml_session_data_' . $wcml_session_id, $session_data );
		}

return $data;
	}

public function check_request() {

if ( has_filter( 'wpml_get_cross_domain_language_data' ) ) { // After WPML 3.2.7.
			$xdomain_data = apply_filters( 'wpml_get_cross_domain_language_data', [] );
		} elseif ( isset( $_GET['xdomain_data'] ) ) {
			$xdomain_data = json_decode( base64_decode( $_GET['xdomain_data'] ), true );
		}

if ( isset( $xdomain_data['wcsid'] ) ) {
			$this->set_session_data( $xdomain_data['wcsid'] );
		}

}

/**
	 * @param string $wcml_session_id
	 */
	private function set_session_data( $wcml_session_id ) {

$data = maybe_unserialize( get_option( 'wcml_session_data_' . $wcml_session_id ) );

if ( ! empty( $data ) ) {

$session_expiration = time() + (int) apply_filters( 'wc_session_expiration', 60 * 60 * 48 ); // 48 Hours.
			$secure             = apply_filters( 'wc_session_use_secure_cookie', false );

if ( isset( $data['session'] ) ) {
				$this->cookie_handler->set_cookie( 'wp_woocommerce_session_' . COOKIEHASH, $data['session'], $session_expiration, COOKIEPATH, COOKIE_DOMAIN, $secure );
				$_COOKIE[ 'wp_woocommerce_session_' . COOKIEHASH ] = $data['session'];
			}

if ( isset( $data['hash'] ) ) {
				$this->cookie_handler->set_cookie( 'woocommerce_cart_hash', $data['hash'], $session_expiration, COOKIEPATH, COOKIE_DOMAIN, $secure );
				$this->cookie_handler->set_cookie( 'woocommerce_items_in_cart', $data['items'], $session_expiration, COOKIEPATH, COOKIE_DOMAIN, $secure );
				$_COOKIE['woocommerce_cart_hash']     = $data['hash'];
				$_COOKIE['woocommerce_items_in_cart'] = $data['items'];
			}
		}

delete_option( 'wcml_session_data_' . $wcml_session_id );

}

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