Merge pull request #5 from peterschade/main

Fix: Implicitly marking parameter $arr as nullable is deprecated

Author: MoamenEltouny

.github/workflows/build.yml

@@ -1,14 +1,22 @@
 name: build
 
-on: [push, pull_request]
+on:
+  push:
+  pull_request:
+  workflow_dispatch:  
+    inputs:
+      php_version:
+        description: 'PHP version to run'
+        required: false
+        default: '8.3'
 
 jobs:
   run:
     runs-on: ${{ matrix.operating-system }}
     strategy:
       matrix:
         operating-system: [ubuntu-latest]
-        php-versions: ['8.0', '8.1', '8.2']
+        php-versions: ['8.0', '8.1', '8.2', '8.3', '8.4', '8.5']
     name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
 
     steps:
@@ -38,4 +46,4 @@ jobs:
         run: composer install --prefer-dist --no-progress --no-suggest
 
       - name: Run test suite
-        run: vendor/bin/phpunit
+        run: vendor/bin/phpunit

src/helper.php

@@ -8,7 +8,7 @@
  * @param array|null $arr Original Array
  * @return Raggitech\DotArray\DotArray
  */
-function dot(array $arr = NULL)
+function dot(?array $arr = NULL)
 {
     return new DotArray($arr);
 }