From 66cd0e58648bdba3e854203534fd27fe0fb5d1e7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Tamarelle?= <jerome@tamarelle.net>
Date: Tue, 30 Apr 2024 14:50:20 +0200
Subject: [PATCH] Fix explicit nullable parameter for PHP 8.4 compatibility

---
 .php-cs-fixer.dist.php | 1 +
 composer.json          | 5 +++++
 src/ArrayToXml.php     | 4 ++--
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/.php-cs-fixer.dist.php b/.php-cs-fixer.dist.php
index 3600d2d..35e1851 100644
--- a/.php-cs-fixer.dist.php
+++ b/.php-cs-fixer.dist.php
@@ -40,5 +40,6 @@
             'keep_multiple_spaces_after_comma' => true,
         ],
         'single_trait_insert_per_statement' => true,
+        'nullable_type_declaration_for_default_null_value' => true,
     ])
     ->setRiskyAllowed(true);
diff --git a/composer.json b/composer.json
index df8cd3a..2b9f69b 100755
--- a/composer.json
+++ b/composer.json
@@ -38,6 +38,11 @@
     "scripts": {
         "test": "vendor/bin/pest"
     },
+    "extra": {
+        "branch-alias": {
+            "dev-main": "3.x-dev"
+        }
+    },
     "config": {
         "allow-plugins": {
             "pestphp/pest-plugin": true
diff --git a/src/ArrayToXml.php b/src/ArrayToXml.php
index 6879692..3c016a4 100644
--- a/src/ArrayToXml.php
+++ b/src/ArrayToXml.php
@@ -68,10 +68,10 @@ public static function convert(
         array $array,
         $rootElement = '',
         bool $replaceSpacesByUnderScoresInKeyNames = true,
-        string $xmlEncoding = null,
+        ?string $xmlEncoding = null,
         string $xmlVersion = '1.0',
         array $domProperties = [],
-        bool $xmlStandalone = null,
+        ?bool $xmlStandalone = null,
         bool $addXmlDeclaration = true,
         array $options = ['convertNullToXsiNil' => false]
     ): string {