From c0af56ccc134a23ca8076dd1f78376a961b506d6 Mon Sep 17 00:00:00 2001
From: Oliver Vogel <oliver@olivervogel.com>
Date: Mon, 21 Aug 2023 19:42:26 +0200
Subject: [PATCH 1/3] Format composer.json

---
 composer.json | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/composer.json b/composer.json
index 8fc9613..dfe53b3 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,22 @@
     "name": "intervention/validation",
     "description": "Additional validation rules for the Laravel framework",
     "homepage": "https://validation.intervention.io/",
-    "keywords": ["validation", "Validator", "laravel", "bic", "iban", "creditcard", "isbn", "ean", "gtin", "isin", "luhn", "base64", "data-url", "ulid"],
+    "keywords": [
+        "validation",
+        "Validator",
+        "laravel",
+        "bic",
+        "iban",
+        "creditcard",
+        "isbn",
+        "ean",
+        "gtin",
+        "isin",
+        "luhn",
+        "base64",
+        "data-url",
+        "ulid"
+    ],
     "license": "MIT",
     "authors": [
         {

From a955b94f9224b6fd79027f9d8408cfae95709d9f Mon Sep 17 00:00:00 2001
From: Lasse Lehtinen <lasse.lehtinen@wsoy.fi>
Date: Fri, 8 Dec 2023 11:54:35 +0200
Subject: [PATCH 2/3] Added GS1 prefix check for ISBN's

---
 src/Rules/Isbn.php       | 2 +-
 tests/Rules/IsbnTest.php | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/src/Rules/Isbn.php b/src/Rules/Isbn.php
index aca9485..7e32a06 100644
--- a/src/Rules/Isbn.php
+++ b/src/Rules/Isbn.php
@@ -37,7 +37,7 @@ public function passes($attribute, $value)
                 return $this->shortChecksumMatches($value);
 
             case 13:
-                return parent::checksumMatches($value); // isbn-13 is a subset of ean-13
+                return preg_match("/^(978|979)/", $value) && parent::checksumMatches($value); // isbn-13 is a subset of ean-13
         }
 
         return false;
diff --git a/tests/Rules/IsbnTest.php b/tests/Rules/IsbnTest.php
index d220dad..cbb7364 100644
--- a/tests/Rules/IsbnTest.php
+++ b/tests/Rules/IsbnTest.php
@@ -69,6 +69,7 @@ public function dataProvider()
             [false, 'ABC'],
             [false, '978-0-306-40615-6'],
             [false, '99921-58-10-6'],
+            [false, '0123456789012'],
         ];
     }
 
@@ -122,6 +123,7 @@ public function dataProviderLong()
             [false, 'ABC'],
             [false, '978-0-306-40615-6'],
             [false, '99921-58-10-6'],
+            [false, '0123456789012'],
         ];
     }
-}
+}
\ No newline at end of file

From 77b9a93dcd441ff52d6f135c669dbb64c466fbc5 Mon Sep 17 00:00:00 2001
From: Oliver Vogel <oliver@olivervogel.com>
Date: Sat, 9 Dec 2023 17:39:14 +0100
Subject: [PATCH 3/3] Format code

---
 src/Rules/Isbn.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Rules/Isbn.php b/src/Rules/Isbn.php
index 7e32a06..943f79c 100644
--- a/src/Rules/Isbn.php
+++ b/src/Rules/Isbn.php
@@ -36,8 +36,8 @@ public function passes($attribute, $value)
             case 10:
                 return $this->shortChecksumMatches($value);
 
-            case 13:
-                return preg_match("/^(978|979)/", $value) && parent::checksumMatches($value); // isbn-13 is a subset of ean-13
+            case 13: // isbn-13 is a subset of ean-13
+                return preg_match("/^(978|979)/", $value) && parent::checksumMatches($value);
         }
 
         return false;