Fix php 8.4 deprecations

src/Factory/Account/CarrierConfigurationFactory.php

@@ -25,7 +25,7 @@ class CarrierConfigurationFactory
     public static function create(
         array  $data,
         bool   $fetchMissingDropOffPoint = false,
-        string $apiKey = null
+        ?string $apiKey = null
     ): CarrierConfiguration {
         $data = self::normalizeCarrier($data);
 
@@ -55,7 +55,7 @@ public static function create(
     private static function createFromApi(
         array  $data,
         bool   $fetchMissingDropOffPoint = false,
-        string $apiKey = null
+        ?string $apiKey = null
     ): CarrierConfiguration {
         return self::createWithDropOffPointIdentifier(
             array_merge(
@@ -85,7 +85,7 @@ private static function createFromApi(
     private static function createWithDropOffPointIdentifier(
         array $data,
         bool $fetchDropOffPoint = false,
-        string $apiKey = null
+        ?string $apiKey = null
     ): CarrierConfiguration {
         $missingDropOffPoint = empty($data['default_drop_off_point']);
         $hasIdentifier       = array_key_exists('default_drop_off_point_identifier', $data) && ! empty($data['default_drop_off_point_identifier']);

src/Helper/MyParcelCollection.php

@@ -536,7 +536,7 @@ public function downloadPdfOfLabels($inline_download = false): void
      * @throws \MyParcelNL\Sdk\src\Exception\ApiException
      * @throws \MyParcelNL\Sdk\src\Exception\MissingFieldException
      */
-    public function generateReturnConsignments(bool $sendMail, Closure $modifier = null): self
+    public function generateReturnConsignments(bool $sendMail, ?Closure $modifier = null): self
     {
         // Be sure consignments are created
         $this->createConcepts();

src/Helper/Utils.php

@@ -35,7 +35,7 @@ public static function fillObject($object, array $properties): void
      *
      * @return array $emptyValues
      */
-    public static function getKeysWithoutValue(array $array, array $requiredKeys = null): array
+    public static function getKeysWithoutValue(array $array, ?array $requiredKeys = null): array
     {
         $requiredKeys = $requiredKeys ?? array_keys($array);
 

src/Model/MyParcelRequest.php

@@ -167,7 +167,7 @@ public function getRequestUrl(): string
      *
      * @return mixed
      */
-    public function getResult(string $key = null, string $pluck = null)
+    public function getResult(?string $key = null, ?string $pluck = null)
     {
         if (null === $key) {
             return $this->result;

src/Rule/Consignment/ShipmentOptionsRule.php

@@ -23,7 +23,7 @@ class ShipmentOptionsRule extends Rule
      * @param  null|array $required
      * @param  null|array $countrySpecificOptions
      */
-    public function __construct(array $required = null, array $countrySpecificOptions = null)
+    public function __construct(?array $required = null, ?array $countrySpecificOptions = null)
     {
         if (is_array($required)) {
             $this->requiredOptions = $required;

src/Support/Arr.php

@@ -218,7 +218,7 @@ public static function exists($array, $key)
      * @param  mixed  $default
      * @return mixed
      */
-    public static function first($array, callable $callback = null, $default = null)
+    public static function first($array, ?callable $callback = null, $default = null)
     {
         if (is_null($callback)) {
             if (empty($array)) {
@@ -247,7 +247,7 @@ public static function first($array, callable $callback = null, $default = null)
      * @param  mixed  $default
      * @return mixed
      */
-    public static function last($array, callable $callback = null, $default = null)
+    public static function last($array, ?callable $callback = null, $default = null)
     {
         if (is_null($callback)) {
             return empty($array) ? (new Helpers())->value($default) : end($array);

src/Support/Collection.php

@@ -114,7 +114,7 @@ public static function unwrap($value)
      * @param  callable  $callback
      * @return static
      */
-    public static function times($number, callable $callback = null)
+    public static function times($number, ?callable $callback = null)
     {
         if ($number < 1) {
             return new static;
@@ -466,7 +466,7 @@ public function except($keys)
      * @param  callable|null  $callback
      * @return static
      */
-    public function filter(callable $callback = null)
+    public function filter(?callable $callback = null)
     {
         if ($callback) {
             return new static(Arr::where($this->items, $callback));
@@ -483,7 +483,7 @@ public function filter(callable $callback = null)
      * @param  callable|null  $default
      * @return static|mixed
      */
-    public function when($value, callable $callback = null, callable $default = null)
+    public function when($value, ?callable $callback = null, ?callable $default = null)
     {
         if (! $callback) {
             return new HigherOrderWhenProxy($this, $value);
@@ -506,7 +506,7 @@ public function when($value, callable $callback = null, callable $default = null
      * @param  callable  $default
      * @return mixed
      */
-    public function unless($value, callable $callback, callable $default = null)
+    public function unless($value, ?callable $callback, ?callable $default = null)
     {
         return $this->when(! $value, $callback, $default);
     }
@@ -657,7 +657,7 @@ public function whereInstanceOf($type)
      * @param  mixed  $default
      * @return mixed
      */
-    public function first(callable $callback = null, $default = null)
+    public function first(?callable $callback = null, $default = null)
     {
         return Arr::first($this->items, $callback, $default);
     }
@@ -907,7 +907,7 @@ public function keys()
      * @param  mixed  $default
      * @return mixed
      */
-    public function last(callable $callback = null, $default = null)
+    public function last(?callable $callback = null, $default = null)
     {
         return Arr::last($this->items, $callback, $default);
     }

src/Support/Helpers.php

@@ -99,7 +99,7 @@ public function array_except($array, $keys)
      * @param  mixed  $default
      * @return mixed
      */
-    public function array_first($array, callable $callback = null, $default = null)
+    public function array_first($array, ?callable $callback = null, $default = null)
     {
         return Arr::first($array, $callback, $default);
     }
@@ -161,7 +161,7 @@ public function array_has($array, $keys)
      * @param  mixed  $default
      * @return mixed
      */
-    public function array_last($array, callable $callback = null, $default = null)
+    public function array_last($array, ?callable $callback = null, $default = null)
     {
         return Arr::last($array, $callback, $default);
     }
@@ -639,7 +639,7 @@ public function object_get($object, $key, $default = null)
      * @param  callable|null  $callback
      * @return mixed
      */
-    public function optional($value = null, callable $callback = null)
+    public function optional($value = null, ?callable $callback = null)
     {
         if (is_null($callback)) {
             return new Optional($value);
@@ -1038,7 +1038,7 @@ public function windows_os()
      * @param  callable|null  $callback
      * @return mixed
      */
-    public function with($value, callable $callback = null)
+    public function with($value, ?callable $callback = null)
     {
         return is_null($callback) ? $value : $callback($value);
     }