From c57e3c0fe337f27b430f0b5e5a7e99d2b5242e34 Mon Sep 17 00:00:00 2001
From: Mikko Pesari <mikko@pesari.fi>
Date: Wed, 15 Jan 2025 13:30:50 +0200
Subject: [PATCH] Fix deprecated implicitly nullable parameter types (PHP 8.4)

---
 src/FacebookAds/ApiRequest.php                            | 2 +-
 src/FacebookAds/Cursor.php                                | 2 +-
 src/FacebookAds/Http/Adapter/CurlAdapter.php              | 2 +-
 src/FacebookAds/Object/AbstractCrudObject.php             | 8 ++++----
 src/FacebookAds/Object/AdImage.php                        | 2 +-
 src/FacebookAds/Object/BusinessDataAPI/Content.php        | 2 +-
 src/FacebookAds/Object/BusinessDataAPI/CustomData.php     | 2 +-
 src/FacebookAds/Object/BusinessDataAPI/Event.php          | 2 +-
 src/FacebookAds/Object/BusinessDataAPI/EventRequest.php   | 2 +-
 src/FacebookAds/Object/BusinessDataAPI/EventResponse.php  | 2 +-
 src/FacebookAds/Object/BusinessDataAPI/UserData.php       | 2 +-
 src/FacebookAds/Object/ServerSide/AdsPixelSettings.php    | 2 +-
 src/FacebookAds/Object/ServerSide/AppData.php             | 2 +-
 src/FacebookAds/Object/ServerSide/AttributionData.php     | 2 +-
 src/FacebookAds/Object/ServerSide/Content.php             | 2 +-
 src/FacebookAds/Object/ServerSide/CustomData.php          | 2 +-
 .../Object/ServerSide/CustomEndpointResponse.php          | 2 +-
 src/FacebookAds/Object/ServerSide/Event.php               | 2 +-
 src/FacebookAds/Object/ServerSide/EventRequest.php        | 2 +-
 src/FacebookAds/Object/ServerSide/EventResponse.php       | 2 +-
 src/FacebookAds/Object/ServerSide/ExtendedDeviceInfo.php  | 2 +-
 src/FacebookAds/Object/ServerSide/OriginalEventData.php   | 2 +-
 src/FacebookAds/Object/ServerSide/UserData.php            | 2 +-
 src/FacebookAds/Object/Signal/Content.php                 | 2 +-
 src/FacebookAds/Object/Signal/CustomData.php              | 2 +-
 src/FacebookAds/Object/Signal/Event.php                   | 2 +-
 src/FacebookAds/Object/Signal/EventRequest.php            | 2 +-
 src/FacebookAds/Object/Signal/UserData.php                | 2 +-
 src/FacebookAds/Object/TargetingSearch.php                | 2 +-
 test/FacebookAdsTest/CursorTest.php                       | 2 +-
 30 files changed, 33 insertions(+), 33 deletions(-)

diff --git a/src/FacebookAds/ApiRequest.php b/src/FacebookAds/ApiRequest.php
index b55490d28..7424d95e8 100644
--- a/src/FacebookAds/ApiRequest.php
+++ b/src/FacebookAds/ApiRequest.php
@@ -36,7 +36,7 @@ public function __construct(
     $return_prototype = null,
     $api_type = null,
     $accepted_fields = array(),
-    TypeChecker $param_checker = null,
+    ?TypeChecker $param_checker = null,
     $allow_file_upload = false,
     $use_graph_video_endpoint = false) {
     $this->fields = [];
diff --git a/src/FacebookAds/Cursor.php b/src/FacebookAds/Cursor.php
index a48d813b2..273e5e028 100644
--- a/src/FacebookAds/Cursor.php
+++ b/src/FacebookAds/Cursor.php
@@ -63,7 +63,7 @@ class Cursor implements \Iterator, \Countable, \ArrayAccess {
   public function __construct(
     ResponseInterface $response,
     AbstractObject $object_prototype,
-    Api $api = null) {
+    ?Api $api = null) {
     $this->response = $response;
     $this->objectPrototype = $object_prototype;
     $this->api = $api !== null ? $api : Api::instance();
diff --git a/src/FacebookAds/Http/Adapter/CurlAdapter.php b/src/FacebookAds/Http/Adapter/CurlAdapter.php
index 766bf8cdf..d34c6ea93 100644
--- a/src/FacebookAds/Http/Adapter/CurlAdapter.php
+++ b/src/FacebookAds/Http/Adapter/CurlAdapter.php
@@ -49,7 +49,7 @@ class CurlAdapter extends AbstractAdapter {
    * @param Client $client
    * @param CurlInterface $curl
    */
-  public function __construct(Client $client, CurlInterface $curl = null) {
+  public function __construct(Client $client, ?CurlInterface $curl = null) {
     parent::__construct($client);
     $this->curl = $curl ?: AbstractCurl::createOptimalVersion();
     $this->curl->init();
diff --git a/src/FacebookAds/Object/AbstractCrudObject.php b/src/FacebookAds/Object/AbstractCrudObject.php
index f424f5065..b0f7a276c 100644
--- a/src/FacebookAds/Object/AbstractCrudObject.php
+++ b/src/FacebookAds/Object/AbstractCrudObject.php
@@ -40,7 +40,7 @@ class AbstractCrudObject extends AbstractObject {
    * @param string $parent_id Optional, needed for creating new objects.
    * @param Api $api The Api instance this object should use to make calls
    */
-  public function __construct($id = null, $parent_id = null, Api $api = null) {
+  public function __construct($id = null, $parent_id = null, ?Api $api = null) {
     parent::__construct();
 
     // check that $id is an integer or a string integer or a string of
@@ -113,7 +113,7 @@ protected function getEndpoint() {
    * @return Api
    * @throws \InvalidArgumentException
    */
-  protected static function assureApi(Api $instance = null) {
+  protected static function assureApi(?Api $instance = null) {
     $instance = $instance ?: Api::instance();
     if (!$instance) {
       throw new \InvalidArgumentException(
@@ -460,7 +460,7 @@ protected function createAsyncJob(
    * @param Api $api Api Object to use
    * @return bool Returns true on success
    */
-  public static function deleteIds(array $ids, Api $api = null) {
+  public static function deleteIds(array $ids, ?Api $api = null) {
     $batch = array();
     foreach ($ids as $id) {
       $request = array(
@@ -495,7 +495,7 @@ public static function readIds(
     array $ids,
     array $fields = array(),
     array $params = array(),
-    Api $api = null) {
+    ?Api $api = null) {
     if (empty($fields)) {
       $fields = static::getDefaultReadFields();
     }
diff --git a/src/FacebookAds/Object/AdImage.php b/src/FacebookAds/Object/AdImage.php
index 72622ca5a..4f94ffee2 100644
--- a/src/FacebookAds/Object/AdImage.php
+++ b/src/FacebookAds/Object/AdImage.php
@@ -81,7 +81,7 @@ public function getSelf(array $fields = array(), array $params = array(), $pendi
    * @return array
    */
   public static function createFromZip(
-    $file_path, $account_id, array $params = array(), Api $api = null) {
+    $file_path, $account_id, array $params = array(), ?Api $api = null) {
 
     $image = new AdImage(null, $account_id, $api);
     $image->{AdImageFields::FILENAME} = $file_path;
diff --git a/src/FacebookAds/Object/BusinessDataAPI/Content.php b/src/FacebookAds/Object/BusinessDataAPI/Content.php
index 964c4fa7b..0d81b3b3f 100644
--- a/src/FacebookAds/Object/BusinessDataAPI/Content.php
+++ b/src/FacebookAds/Object/BusinessDataAPI/Content.php
@@ -35,7 +35,7 @@ class Content {
    * Constructor
    * @param mixed[] $data Associated array of property value initializing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['product_id'] = isset($data['product_id']) ? $data['product_id'] : null;;
     $this->container['quantity'] = isset($data['quantity']) ? $data['quantity'] : null;
     $this->container['price'] = isset($data['price']) ? $data['price'] : null;
diff --git a/src/FacebookAds/Object/BusinessDataAPI/CustomData.php b/src/FacebookAds/Object/BusinessDataAPI/CustomData.php
index 119c78144..d69ae141a 100644
--- a/src/FacebookAds/Object/BusinessDataAPI/CustomData.php
+++ b/src/FacebookAds/Object/BusinessDataAPI/CustomData.php
@@ -36,7 +36,7 @@ class CustomData {
    * Constructor
    * @param mixed[] $data Associated array of property value initializing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['value'] = isset($data['value']) ? $data['value'] : null;
     $this->container['currency'] = isset($data['currency']) ? $data['currency'] : null;
     $this->container['contents'] = isset($data['contents']) ? $data['contents'] : null;
diff --git a/src/FacebookAds/Object/BusinessDataAPI/Event.php b/src/FacebookAds/Object/BusinessDataAPI/Event.php
index 8b45e42ca..c554175d3 100644
--- a/src/FacebookAds/Object/BusinessDataAPI/Event.php
+++ b/src/FacebookAds/Object/BusinessDataAPI/Event.php
@@ -36,7 +36,7 @@ class Event {
    * Constructor
    * @param mixed[] $data Associated array of property value initalizing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['event_name'] = isset($data['event_name']) ? $data['event_name'] : null;
     $this->container['event_time'] = isset($data['event_time']) ? $data['event_time'] : null;
     $this->container['event_id'] = isset($data['event_id']) ? $data['event_id'] : null;
diff --git a/src/FacebookAds/Object/BusinessDataAPI/EventRequest.php b/src/FacebookAds/Object/BusinessDataAPI/EventRequest.php
index 0bb6871eb..7dcdf522a 100644
--- a/src/FacebookAds/Object/BusinessDataAPI/EventRequest.php
+++ b/src/FacebookAds/Object/BusinessDataAPI/EventRequest.php
@@ -46,7 +46,7 @@ class EventRequest {
    * @param string $page_id page id
    * @param mixed[] $data Associated array of property value initializing the model
    */
-  public function __construct(string $page_id, array $data = null) {
+  public function __construct(string $page_id, ?array $data = null) {
     $this->container['page_id'] = $page_id;
     $this->container['events'] = isset($data['events']) ? $data['events'] : null;
   }
diff --git a/src/FacebookAds/Object/BusinessDataAPI/EventResponse.php b/src/FacebookAds/Object/BusinessDataAPI/EventResponse.php
index c9a2f9296..911588ee7 100644
--- a/src/FacebookAds/Object/BusinessDataAPI/EventResponse.php
+++ b/src/FacebookAds/Object/BusinessDataAPI/EventResponse.php
@@ -41,7 +41,7 @@ class EventResponse {
    * Constructor
    * @param mixed[] $data Associated array of property value initalizing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['events_received'] = isset($data['events_received']) ? $data['events_received'] : null;
     $this->container['events_dropped'] = isset($data['events_dropped']) ? $data['events_dropped'] : null;
     $this->container['message'] = isset($data['message']) ? $data['message'] : null;
diff --git a/src/FacebookAds/Object/BusinessDataAPI/UserData.php b/src/FacebookAds/Object/BusinessDataAPI/UserData.php
index ded57e550..77ea57088 100644
--- a/src/FacebookAds/Object/BusinessDataAPI/UserData.php
+++ b/src/FacebookAds/Object/BusinessDataAPI/UserData.php
@@ -41,7 +41,7 @@ class UserData {
    * Constructor
    * @param mixed[] $data Associated array of property value initalizing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['email'] = isset($data['email']) ? $data['email'] : null;
     $this->container['phone'] = isset($data['phone']) ? $data['phone'] : null;
     $this->container['date_of_birth'] = isset($data['date_of_birth']) ? $data['date_of_birth'] : null;
diff --git a/src/FacebookAds/Object/ServerSide/AdsPixelSettings.php b/src/FacebookAds/Object/ServerSide/AdsPixelSettings.php
index aaf6ed0f6..363e57ea7 100644
--- a/src/FacebookAds/Object/ServerSide/AdsPixelSettings.php
+++ b/src/FacebookAds/Object/ServerSide/AdsPixelSettings.php
@@ -47,7 +47,7 @@ class AdsPixelSettings implements ArrayAccess {
    * Constructor
    * @param mixed[] $data Associated array of property value initializing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['enable_automatic_matching'] = isset($data['enableAutomaticMatching']) ? $data['enableAutomaticMatching'] : null;;
     $this->container['enabled_automatic_matching_fields'] = isset($data['enabledAutomaticMatchingFields']) ? $data['enabledAutomaticMatchingFields'] : null;
     $this->container['pixel_id'] = isset($data['pixel_id']) ? $data['pixel_id'] : null;
diff --git a/src/FacebookAds/Object/ServerSide/AppData.php b/src/FacebookAds/Object/ServerSide/AppData.php
index d20137947..bf38b1fc2 100644
--- a/src/FacebookAds/Object/ServerSide/AppData.php
+++ b/src/FacebookAds/Object/ServerSide/AppData.php
@@ -108,7 +108,7 @@ class AppData implements ArrayAccess {
 
   protected $container = array();
 
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['application_tracking_enabled'] = isset($data['application_tracking_enabled']) ? $data['application_tracking_enabled'] : null;
     $this->container['advertiser_tracking_enabled'] = isset($data['advertiser_tracking_enabled']) ? $data['advertiser_tracking_enabled'] : null;
     $this->container['app_user_id'] = isset($data['app_user_id']) ? $data['app_user_id'] : null;
diff --git a/src/FacebookAds/Object/ServerSide/AttributionData.php b/src/FacebookAds/Object/ServerSide/AttributionData.php
index 0593c8ecf..863446558 100644
--- a/src/FacebookAds/Object/ServerSide/AttributionData.php
+++ b/src/FacebookAds/Object/ServerSide/AttributionData.php
@@ -89,7 +89,7 @@ class AttributionData implements ArrayAccess {
 
   protected $container = array();
 
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['scope'] = isset($data['scope']) ? $data['scope'] : null;
     $this->container['visit_time'] = isset($data['visit_time']) ? $data['visit_time'] : null;
     $this->container['ad_id'] = isset($data['ad_id']) ? $data['ad_id'] : null;
diff --git a/src/FacebookAds/Object/ServerSide/Content.php b/src/FacebookAds/Object/ServerSide/Content.php
index 73e13fdef..fc951a8aa 100644
--- a/src/FacebookAds/Object/ServerSide/Content.php
+++ b/src/FacebookAds/Object/ServerSide/Content.php
@@ -37,7 +37,7 @@ class Content implements ArrayAccess {
    * Constructor
    * @param mixed[] $data Associated array of property value initializing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['product_id'] = isset($data['product_id']) ? $data['product_id'] : null;;
     $this->container['quantity'] = isset($data['quantity']) ? $data['quantity'] : null;
     $this->container['item_price'] = isset($data['item_price']) ? $data['item_price'] : null;
diff --git a/src/FacebookAds/Object/ServerSide/CustomData.php b/src/FacebookAds/Object/ServerSide/CustomData.php
index cf84836fa..76ccc9763 100644
--- a/src/FacebookAds/Object/ServerSide/CustomData.php
+++ b/src/FacebookAds/Object/ServerSide/CustomData.php
@@ -124,7 +124,7 @@ class CustomData implements ArrayAccess {
    * Constructor
    * @param mixed[] $data Associated array of property value initializing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['value'] = isset($data['value']) ? $data['value'] : null;
     $this->container['currency'] = isset($data['currency']) ? $data['currency'] : null;
     $this->container['content_name'] = isset($data['content_name']) ? $data['content_name'] : null;
diff --git a/src/FacebookAds/Object/ServerSide/CustomEndpointResponse.php b/src/FacebookAds/Object/ServerSide/CustomEndpointResponse.php
index c2b95b49c..ff4cdcdc8 100644
--- a/src/FacebookAds/Object/ServerSide/CustomEndpointResponse.php
+++ b/src/FacebookAds/Object/ServerSide/CustomEndpointResponse.php
@@ -47,7 +47,7 @@ class CustomEndpointResponse {
      * Constructor
      * @param mixed[] $data Associated array of property value initializing the model
      */
-    public function __construct(array $data = null) {
+    public function __construct(?array $data = null) {
         $this->container['message'] = isset($data['message']) ? $data['message'] : null;
         $this->container['response_code'] = isset($data['response_code']) ? $data['response_code'] : null;
     }
diff --git a/src/FacebookAds/Object/ServerSide/Event.php b/src/FacebookAds/Object/ServerSide/Event.php
index 2801bc3f1..38803c00e 100644
--- a/src/FacebookAds/Object/ServerSide/Event.php
+++ b/src/FacebookAds/Object/ServerSide/Event.php
@@ -132,7 +132,7 @@ class Event implements ArrayAccess {
    * Constructor
    * @param mixed[] $data Associated array of property value initializing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['event_name'] = isset($data['event_name']) ? $data['event_name'] : null;
     $this->container['event_time'] = isset($data['event_time']) ? $data['event_time'] : null;
     $this->container['event_source_url'] = isset($data['event_source_url']) ? $data['event_source_url'] : null;
diff --git a/src/FacebookAds/Object/ServerSide/EventRequest.php b/src/FacebookAds/Object/ServerSide/EventRequest.php
index 96f8d982a..c4156f439 100644
--- a/src/FacebookAds/Object/ServerSide/EventRequest.php
+++ b/src/FacebookAds/Object/ServerSide/EventRequest.php
@@ -102,7 +102,7 @@ class EventRequest implements ArrayAccess {
    * @param string $pixel_id pixel id
    * @param mixed[] $data Associated array of property value initializing the model
    */
-  public function __construct($pixel_id, array $data = null) {
+  public function __construct($pixel_id, ?array $data = null) {
     $this->container['pixel_id'] = $pixel_id;
     $this->container['events'] = isset($data['events']) ? $data['events'] : null;
     $this->container['test_event_code'] = isset($data['test_event_code']) ? $data['test_event_code'] : null;
diff --git a/src/FacebookAds/Object/ServerSide/EventResponse.php b/src/FacebookAds/Object/ServerSide/EventResponse.php
index 84bb0dd38..cfe99e465 100644
--- a/src/FacebookAds/Object/ServerSide/EventResponse.php
+++ b/src/FacebookAds/Object/ServerSide/EventResponse.php
@@ -83,7 +83,7 @@ class EventResponse implements ArrayAccess {
    * Constructor
    * @param mixed[] $data Associated array of property value initalizing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['events_received'] = isset($data['events_received']) ? $data['events_received'] : null;
     $this->container['messages'] = isset($data['messages']) ? $data['messages'] : null;
     $this->container['fbtrace_id'] = isset($data['fbtrace_id']) ? $data['fbtrace_id'] : null;
diff --git a/src/FacebookAds/Object/ServerSide/ExtendedDeviceInfo.php b/src/FacebookAds/Object/ServerSide/ExtendedDeviceInfo.php
index b28434095..4148ca13d 100644
--- a/src/FacebookAds/Object/ServerSide/ExtendedDeviceInfo.php
+++ b/src/FacebookAds/Object/ServerSide/ExtendedDeviceInfo.php
@@ -123,7 +123,7 @@ class ExtendedDeviceInfo implements ArrayAccess {
 
   protected $container = array();
 
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['ext_info_version'] = isset($data['ext_info_version']) ? $data['ext_info_version'] : null;
     $this->container['app_package_name'] = isset($data['app_package_name']) ? $data['app_package_name'] : null;
     $this->container['short_version'] = isset($data['short_version']) ? $data['short_version'] : null;
diff --git a/src/FacebookAds/Object/ServerSide/OriginalEventData.php b/src/FacebookAds/Object/ServerSide/OriginalEventData.php
index f27c3c100..ab6d531ce 100644
--- a/src/FacebookAds/Object/ServerSide/OriginalEventData.php
+++ b/src/FacebookAds/Object/ServerSide/OriginalEventData.php
@@ -59,7 +59,7 @@ class OriginalEventData implements ArrayAccess {
 
   protected $container = array();
 
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->container['event_name'] = isset($data['event_name']) ? $data['event_name'] : null;
     $this->container['event_time'] = isset($data['event_time']) ? $data['event_time'] : null;
   }
diff --git a/src/FacebookAds/Object/ServerSide/UserData.php b/src/FacebookAds/Object/ServerSide/UserData.php
index b81ceeb7a..91b8de876 100644
--- a/src/FacebookAds/Object/ServerSide/UserData.php
+++ b/src/FacebookAds/Object/ServerSide/UserData.php
@@ -235,7 +235,7 @@ class UserData implements ArrayAccess {
    * Constructor
    * @param mixed[] $data Associated array of property value initalizing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
 
     # Let's make sure not both singular and plural parameters are set
     if(isset($data['email']) And isset($data['emails'])) {
diff --git a/src/FacebookAds/Object/Signal/Content.php b/src/FacebookAds/Object/Signal/Content.php
index 1e7ef960e..58be8e142 100644
--- a/src/FacebookAds/Object/Signal/Content.php
+++ b/src/FacebookAds/Object/Signal/Content.php
@@ -44,7 +44,7 @@ class Content {
    * Constructor
    * @param mixed[] $data Associated array of property value initializing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->businessDataContent = new BusinessDataContent($data);
     $this->serverSideContent = new ServerSideContent($data);
   }
diff --git a/src/FacebookAds/Object/Signal/CustomData.php b/src/FacebookAds/Object/Signal/CustomData.php
index c20d4f4a5..03ccaab8b 100644
--- a/src/FacebookAds/Object/Signal/CustomData.php
+++ b/src/FacebookAds/Object/Signal/CustomData.php
@@ -45,7 +45,7 @@ class CustomData {
    * Constructor
    * @param mixed[] $data Associated array of property value initializing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $business_contents = array();
     $server_contents = array();
     if(isset($data['contents'])){
diff --git a/src/FacebookAds/Object/Signal/Event.php b/src/FacebookAds/Object/Signal/Event.php
index 328081edd..016e64f5f 100644
--- a/src/FacebookAds/Object/Signal/Event.php
+++ b/src/FacebookAds/Object/Signal/Event.php
@@ -45,7 +45,7 @@ class Event {
    * Constructor
    * @param mixed[] $data Associated array of property value initalizing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $business_data = $data;
     $server_data = $data;
     $business_data['user_data'] = isset($data['user_data']) ? $data['user_data']->getBusinessDataUserData() : null;
diff --git a/src/FacebookAds/Object/Signal/EventRequest.php b/src/FacebookAds/Object/Signal/EventRequest.php
index 2c8dc8123..bd696d679 100644
--- a/src/FacebookAds/Object/Signal/EventRequest.php
+++ b/src/FacebookAds/Object/Signal/EventRequest.php
@@ -54,7 +54,7 @@ class EventRequest {
    * @param string $page_id page id
    * @param mixed[] $data Associated array of property value initializing the model
    */
-  public function __construct(string $pixel_id, string $page_id, array $data = null) {
+  public function __construct(string $pixel_id, string $page_id, ?array $data = null) {
     $business_data = $data;
     $server_data = $data;
 
diff --git a/src/FacebookAds/Object/Signal/UserData.php b/src/FacebookAds/Object/Signal/UserData.php
index aa6c9ca53..f96e380c1 100644
--- a/src/FacebookAds/Object/Signal/UserData.php
+++ b/src/FacebookAds/Object/Signal/UserData.php
@@ -52,7 +52,7 @@ class UserData {
    * Constructor
    * @param mixed[] $data Associated array of property value initalizing the model
    */
-  public function __construct(array $data = null) {
+  public function __construct(?array $data = null) {
     $this->businessDataUserData = new BusinessDataUserData($data);
     $this->serverSideUserData = new ServerSideUserData($data);
   }
diff --git a/src/FacebookAds/Object/TargetingSearch.php b/src/FacebookAds/Object/TargetingSearch.php
index fec5e81ca..e9d92d260 100644
--- a/src/FacebookAds/Object/TargetingSearch.php
+++ b/src/FacebookAds/Object/TargetingSearch.php
@@ -29,7 +29,7 @@ public static function search(
     $class=null,
     $query=null,
     array $params = array(),
-    Api $api = null) {
+    ?Api $api = null) {
 
     $api = $api ?: Api::instance();
     if (!$api) {
diff --git a/test/FacebookAdsTest/CursorTest.php b/test/FacebookAdsTest/CursorTest.php
index 8aad57889..3396f3aca 100644
--- a/test/FacebookAdsTest/CursorTest.php
+++ b/test/FacebookAdsTest/CursorTest.php
@@ -95,7 +95,7 @@ protected function createUnparameterizedUrl() {
    * @return Mock|ResponseInterface
    */
   protected function createResponseChainMock(
-    $num_pages, RequestInterface $prev = null) {
+    $num_pages, ?RequestInterface $prev = null) {
 
     $query_params = $prev ? clone $prev->getQueryParams() : new Parameters();
     $sample_content = $this->createSampleResponseContent();