Fixed nusoap for PHP 8.1 and update READMe document

README.md

@@ -16,7 +16,7 @@ Step 1: Install packages
 composer require nguyenanhung/nusoap
 ```
 
-Step 2: Init to Project
+Step 2.1: Init to Project if PHP <= 7.0
 
 ```php
 <?php 
@@ -25,6 +25,15 @@ use nguyenanhung\MyNuSOAP\nusoap_client;
 $client = new nusoap_client();
 ```
 
+Step 2.2: Init to Project if PHP <= 8.1
+
+```php
+<?php 
+require '/your/to/path/vendor/autoload.php';
+use nguyenanhung\MyFixNuSOAP\nusoap_client;
+$client = new nusoap_client();
+```
+
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