run tests on PHP 8.3

.github/workflows/build.yml

@@ -11,6 +11,7 @@ jobs:
       matrix:
         php-version:
           - "8.2"
+          - "8.3"
 
     steps:
       - name: "Checkout"
@@ -50,8 +51,8 @@ jobs:
           php-version: "${{ matrix.php-version }}"
 
       - name: "Install dependencies with Composer"
-        uses: "ramsey/composer-install@v2"  
-        
+        uses: "ramsey/composer-install@v2"
+
       - name: "Run PHPUnit"
         run: "vendor/bin/phpunit"
 

README.md

@@ -7,7 +7,7 @@ ibericode/vat
 [![Total Downloads](https://img.shields.io/packagist/dt/dannyvankooten/vat.php.svg)](https://packagist.org/packages/ibericode/vat)
 ![License](https://img.shields.io/github/license/ibericode/vat.svg)
 
-This is a simple PHP library to help you deal with Europe's VAT rules. 
+This is a simple PHP library to help you deal with Europe's VAT rules.
 
 - Fetch VAT rates for any EU member state using [ibericode/vat-rates](https://github.com/ibericode/vat-rates).
 - Validate VAT numbers (by format and/or [existence](http://ec.europa.eu/taxation_customs/vies/))
@@ -17,7 +17,7 @@ This is a simple PHP library to help you deal with Europe's VAT rules.
 
 ## Installation
 
-[PHP](https://php.net) version 7.1 or higher with the CURL and JSON extension is required. 
+[PHP](https://php.net) version 7.3 or higher with the CURL and JSON extension is required.
 
 For VAT number existence checking, the PHP SOAP extension is required as well.