froger-me · January 19, 2020 04:04
diff --git a/wp-weixin-crossdomain-nexus.php b/wp-weixin-crossdomain-nexus.php
 <?php
 /*
 Plugin Name: WP Weixin Crossdomain Nexus
 Plugin URI: https://gist.github.com/froger-me/c918d7f2c4f88eff1b330a50d8962f23
 Description: Requires WP Weixin. Customize the blog IDs used for WeChat API authentication and WeChat Pay transactions when using a domain/subdomain-based multisite network. NEEDS TO BE EDITED BY A DEVELOPER BEFORE USE!
 Version: 1.3.5
 Author: Alexandre Froger
 Author URI: https://froger.me
 WC tested up to: 3.8.1
 */

 if ( ! defined( 'ABSPATH' ) ) {
 	exit; // Exit if accessed directly
 }

 /* ============================================================================ *
 * 								Complex Example									*
 *																				*
 * 							Multiple Official Accounts 							*
 * ============================================================================ */

 // 2 WeChat Official Accounts (OA):
 // - the first one uses blog with ID 1 for both authentication and payment
 // - the second one uses blog with ID 2 for both authentication and payment
 // - the WeChat App IDs used to determine which OA to use depending on the current
 //   blog ID are hard coded in this example, but they could come from
 //   get_site_option() if the developer building on this example creates a setting page.
 // - it is assumed the ID of the blog used for authentication before this plugin was
 //   activated was the default blog with ID 1 (therefore no usermeta table update is
 //   necessary, all existing users are users of the first OA).

 function wpwxdn_wechat_set_id( $blog_id ) {
 	$official_account_appid_1 = 'EDIT ME !!!'; // The WeChat App ID of the first OA
 	$official_account_appid_2 = 'EDIT ME !!!'; // The WeChat App ID of the second OA

 	$current_official_account_appid = wp_weixin_get_option( 'appid' );

 	if ( $current_official_account_appid === $official_account_appid_1 ) {
 		$blog_id = 1;
 	}

 	if ( $current_official_account_appid === $official_account_appid_2 ) {
 		$blog_id = 2;
 	}

 	return $blog_id;
 }
 add_filter( 'wp_weixin_ms_auth_blog_id', 'wpwxdn_wechat_set_id', 10, 1 );
	<?php
	/*
	Plugin Name: WP Weixin Crossdomain Nexus
	Plugin URI: https://gist.github.com/froger-me/c918d7f2c4f88eff1b330a50d8962f23
	Description: Requires WP Weixin. Customize the blog IDs used for WeChat API authentication and WeChat Pay transactions when using a domain/subdomain-based multisite network. NEEDS TO BE EDITED BY A DEVELOPER BEFORE USE!
	Version: 1.3.5
	Author: Alexandre Froger
	Author URI: https://froger.me
	WC tested up to: 3.8.1
	*/

	if ( ! defined( 'ABSPATH' ) ) {
	exit; // Exit if accessed directly
	}

	/* ============================================================================ *
	* Complex Example *
	* *
	* Multiple Official Accounts *
	* ============================================================================ */

	// 2 WeChat Official Accounts (OA):
	// - the first one uses blog with ID 1 for both authentication and payment
	// - the second one uses blog with ID 2 for both authentication and payment
	// - the WeChat App IDs used to determine which OA to use depending on the current
	// blog ID are hard coded in this example, but they could come from
	// get_site_option() if the developer building on this example creates a setting page.
	// - it is assumed the ID of the blog used for authentication before this plugin was
	// activated was the default blog with ID 1 (therefore no usermeta table update is
	// necessary, all existing users are users of the first OA).

	function wpwxdn_wechat_set_id( $blog_id ) {
	$official_account_appid_1 = 'EDIT ME !!!'; // The WeChat App ID of the first OA
	$official_account_appid_2 = 'EDIT ME !!!'; // The WeChat App ID of the second OA

	$current_official_account_appid = wp_weixin_get_option( 'appid' );

	if ( $current_official_account_appid === $official_account_appid_1 ) {
	$blog_id = 1;
	}

	if ( $current_official_account_appid === $official_account_appid_2 ) {
	$blog_id = 2;
	}

	return $blog_id;
	}
	add_filter( 'wp_weixin_ms_auth_blog_id', 'wpwxdn_wechat_set_id', 10, 1 );