Fix PHPStan errors

lib/Config/Capabilities.php

@@ -20,7 +20,7 @@ class Capabilities {
       $wp = new WPFunctions;
     }
     $this->wp = $wp;
-    $this->access_control = new AccessControl($wp);
+    $this->access_control = new AccessControl;
   }
 
   function init() {

lib/Mailer/Mailer.php

@@ -155,6 +155,9 @@ class Mailer {
       $this->settings->get('bounce.address');
   }
   
+  /**
+   * @param  \MailPoet\Models\Subscriber|array $subscriber
+   */
   function formatSubscriberNameAndEmailAddress($subscriber) {
     $subscriber = (is_object($subscriber)) ? $subscriber->asArray() : $subscriber;
     if (!is_array($subscriber)) return $subscriber;

lib/Models/CustomField.php

@@ -2,6 +2,7 @@
 namespace MailPoet\Models;
 
 use MailPoet\Form\Block\Date;
+use MailPoet\WP\Functions as WPFunctions;
 
 if (!defined('ABSPATH')) exit;
 
@@ -9,7 +10,6 @@ if (!defined('ABSPATH')) exit;
  * @property string $type
  * @property string|array $params
  */
-use MailPoet\WP\Functions as WPFunctions;
 
 class CustomField extends Model {
   public static $_table = MP_CUSTOM_FIELDS_TABLE;

lib/Models/Form.php

@@ -1,6 +1,8 @@
 <?php
 namespace MailPoet\Models;
 
+use MailPoet\WP\Functions as WPFunctions;
+
 if (!defined('ABSPATH')) exit;
 
 /**
@@ -8,7 +10,6 @@ if (!defined('ABSPATH')) exit;
  * @property string|array $body
  * @property string $name
  */
-use MailPoet\WP\Functions as WPFunctions;
 
 class Form extends Model {
   public static $_table = MP_FORMS_TABLE;

lib/Models/Model.php

@@ -2,6 +2,8 @@
 
 namespace MailPoet\Models;
 
+use MailPoet\WP\Functions as WPFunctions;
+
 if (!defined('ABSPATH')) exit;
 
 /**
@@ -112,7 +114,6 @@ if (!defined('ABSPATH')) exit;
  * @property string|null $updated_at
  * @property string|null $id
  */
-use MailPoet\WP\Functions as WPFunctions;
 
 class Model extends \Sudzy\ValidModel {
   const DUPLICATE_RECORD = 23000;

lib/Models/Newsletter.php

@@ -8,6 +8,7 @@ use MailPoet\Util\Helpers;
 use MailPoet\Util\Security;
 use MailPoet\WP\Emoji;
 use function MailPoet\Util\array_column;
+use MailPoet\WP\Functions as WPFunctions;
 
 if (!defined('ABSPATH')) exit;
 
@@ -29,7 +30,6 @@ if (!defined('ABSPATH')) exit;
  * @property string $body
  * @property string|null $schedule
  */
-use MailPoet\WP\Functions as WPFunctions;
 
 class Newsletter extends Model {
   public static $_table = MP_NEWSLETTERS_TABLE;

lib/Models/Segment.php

@@ -1,6 +1,8 @@
 <?php
 namespace MailPoet\Models;
 
+use MailPoet\WP\Functions as WPFunctions;
+
 if (!defined('ABSPATH')) exit;
 
 /**
@@ -9,7 +11,6 @@ if (!defined('ABSPATH')) exit;
  * @property string $type
  * @property string $description
  */
-use MailPoet\WP\Functions as WPFunctions;
 
 class Segment extends Model {
   static $_table = MP_SEGMENTS_TABLE;

lib/Models/SendingQueue.php

@@ -4,6 +4,7 @@ namespace MailPoet\Models;
 use MailPoet\Util\Helpers;
 use MailPoet\WP\Emoji;
 use MailPoet\Tasks\Subscribers as TaskSubscribers;
+use MailPoet\WP\Functions as WPFunctions;
 
 if (!defined('ABSPATH')) exit;
 
@@ -19,7 +20,6 @@ if (!defined('ABSPATH')) exit;
  * @property string|array $subscribers
  * @property string|null $deleted_at
  */
-use MailPoet\WP\Functions as WPFunctions;
 
 class SendingQueue extends Model {
   public static $_table = MP_SENDING_QUEUES_TABLE;

lib/Models/Subscriber.php

@@ -5,6 +5,7 @@ use MailPoet\Settings\SettingsController;
 use MailPoet\Subscribers\ConfirmationEmailMailer;
 use MailPoet\Util\Helpers;
 use function MailPoet\Util\array_column;
+use MailPoet\WP\Functions as WPFunctions;
 
 if (!defined('ABSPATH')) exit;
 
@@ -26,7 +27,6 @@ if (!defined('ABSPATH')) exit;
  * @property string $unconfirmed_data
  * @property int $is_woocommerce_user
  */
-use MailPoet\WP\Functions as WPFunctions;
 
 class Subscriber extends Model {
   public static $_table = MP_SUBSCRIBERS_TABLE;

lib/Newsletter/Renderer/Renderer.php

@@ -22,6 +22,9 @@ class Renderer {
   const NEWSLETTER_TEMPLATE = 'Template.html';
   const FILTER_POST_PROCESS = 'mailpoet_rendering_post_process';
   
+  /**
+   * @param \MailPoet\Models\Newsletter|array $newsletter
+   */
   function __construct($newsletter, $preview = false) {
     $this->newsletter = ($newsletter instanceof Newsletter) ? $newsletter->asArray() : $newsletter;
     $this->preview = $preview;

lib/Newsletter/Shortcodes/Categories/Subscriber.php

@@ -8,6 +8,9 @@ use MailPoet\WP\Functions as WPFunctions;
 if (!defined('ABSPATH')) exit;
 
 class Subscriber {
+  /**
+   * @param \MailPoet\Models\Subscriber|false $subscriber
+   */
   static function process(
     $shortcode_details,
     $newsletter,

lib/Subscribers/ImportExport/Export/DefaultSubscribersGetter.php

@@ -5,11 +5,11 @@ namespace MailPoet\Subscribers\ImportExport\Export;
 use MailPoet\Models\Segment;
 use MailPoet\Models\Subscriber;
 use MailPoet\Models\SubscriberSegment;
+use MailPoet\WP\Functions as WPFunctions;
 
 /**
  * Gets batches of subscribers from default segments.
  */
-use MailPoet\WP\Functions as WPFunctions;
 
 class DefaultSubscribersGetter extends SubscribersGetter {
 

lib/WP/Functions.php

@@ -2,8 +2,12 @@
 namespace MailPoet\WP;
 
 class Functions {
+
   static private $instance;
   
+  /**
+   * @return Functions
+   */
   static function get() {
     if (self::$instance == null) {
       self::$instance = new Functions;
@@ -155,6 +159,9 @@ class Functions {
     return call_user_func_array('current_user_can', func_get_args());
   }
   
+  /**
+   * @return \WP_Role | null
+   */
   function getRole() {
     return call_user_func_array('get_role', func_get_args());
   }