Update test tools

Author: tomas-novotny

.github/workflows/master.yml

@@ -15,6 +15,7 @@ jobs:
           - '8.2'
           - '8.3'
           - '8.4'
+          - '8.5'
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -44,7 +45,7 @@ jobs:
       - name: Run tests
         run: |
           vendor/bin/phpunit --coverage-text --coverage-clover=coverage.clover
-          if [[ "${{ matrix.php }}" == '8.1' ]]; then
+          if [[ "${{ matrix.php }}" == '8.5' ]]; then
             composer require --dev --no-interaction --no-progress --quiet scrutinizer/ocular
             vendor/bin/ocular code-coverage:upload --format=php-clover coverage.clover
           fi

composer.json

@@ -20,11 +20,10 @@
     "ext-json": "*"
   },
   "require-dev": {
-    "inspirum/coding-standard": "^1.6",
+    "inspirum/coding-standard": "^1.8",
     "phpstan/phpstan": "^2.0",
-    "phpunit/phpunit": "^10.5 || ^11.0",
-    "shipmonk/composer-dependency-analyser": "^1.8",
-    "squizlabs/php_codesniffer": "^3.11"
+    "phpunit/phpunit": "^10.5 || ^11.5 || ^12.5 || ^13.0",
+    "shipmonk/composer-dependency-analyser": "^1.8"
   },
   "autoload": {
     "psr-4": {

src/Convertor.php

@@ -7,7 +7,9 @@
 use RuntimeException;
 use UnexpectedValueException;
 use stdClass;
+use function is_int;
 use function is_iterable;
+use function is_string;
 use const PHP_INT_MAX;
 
 final class Convertor
@@ -56,6 +58,10 @@ private static function toArrayWithDepth(mixed $data, int $limit, int $depth): m
         if (is_iterable($data)) {
             $arrayData = [];
             foreach ($data as $k => $v) {
+                if (!is_int($k) && !is_string($k)) {
+                    throw new RuntimeException('Iterable key must be int|string');
+                }
+
                 $arrayData[$k] = self::toArrayWithDepth($v, $limit, $depth + 1);
             }