From 235d6a98906f14df6042b4b645f9920c31a78471 Mon Sep 17 00:00:00 2001
From: Vincent Langlet <vincentlanglet@hotmail.fr>
Date: Mon, 29 Jan 2024 14:55:40 +0100
Subject: [PATCH] Throw exception

---
 src/Validator.php | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/Validator.php b/src/Validator.php
index bac22e5..cb7eadd 100644
--- a/src/Validator.php
+++ b/src/Validator.php
@@ -98,11 +98,10 @@ public function hasSupportedCountryPrefix(string $vatNumber): bool
      * Validate a VAT number format. This does not check whether the VAT number was really issued.
      *
      * @param string $vatNumber
-     * @param bool $skipIfUnsupported
      *
      * @return boolean
      */
-    public function validateVatNumberFormat(string $vatNumber, bool $skipIfUnsupported = false): bool
+    public function validateVatNumberFormat(string $vatNumber): bool
     {
         if ($vatNumber === '') {
             return false;
@@ -112,8 +111,8 @@ public function validateVatNumberFormat(string $vatNumber, bool $skipIfUnsupport
         $country = substr($vatNumber, 0, 2);
         $number = substr($vatNumber, 2);
 
-        if (! isset($this->patterns[$country])) {
-            return $skipIfUnsupported;
+        if (! isset($this->patterns[$country]) {
+            throw new \InvalidArgumentException('The vat country prefix is not supported.');
         }
 
         return preg_match('/^' . $this->patterns[$country] . '$/', $number) > 0;