From 685b4885c0d54d03df3cd0412ef3bc9e586cbb03 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20Jakes=CC=8C?= <jan@jakes.pro>
Date: Tue, 7 Jan 2020 17:23:51 +0100
Subject: [PATCH] Exclude WordPress and WooCommerce variables from camel case
 conversion

[MAILPOET-1796]
---
 lib/AdminPages/Pages/DynamicSegments.php      |  2 +-
 .../Events/PurchasedInCategory.php            |  2 +-
 .../WooCommerce/Events/PurchasedProduct.php   |  2 +-
 lib/Config/Populator.php                      |  6 ++--
 lib/Form/Widget.php                           |  4 +--
 lib/Mailer/Methods/PHPMail.php                | 16 ++++-----
 lib/Mailer/WordPress/WordPressMailer.php      | 14 ++++----
 lib/Newsletter/AutomatedLatestContent.php     |  6 ++--
 .../Editor/MetaInformationManager.php         |  4 +--
 lib/Newsletter/Editor/PostContentManager.php  | 10 +++---
 .../PostTransformerContentsExtractor.php      |  6 ++--
 .../Editor/TitleListTransformer.php           |  2 +-
 .../Scheduler/PostNotificationScheduler.php   |  2 +-
 .../Shortcodes/Categories/Newsletter.php      |  4 +--
 .../Shortcodes/Categories/Subscriber.php      |  2 +-
 lib/Router/Endpoints/Track.php                | 22 ++++++------
 lib/Segments/WP.php                           | 10 +++---
 lib/Segments/WooCommerce.php                  |  4 +--
 .../JSON/v1/AutomatedLatestContentTest.php    |  2 +-
 tests/integration/Config/MP2MigratorTest.php  | 10 +++---
 .../SendingQueue/Tasks/ShortcodesTest.php     |  2 +-
 .../Mailer/Methods/PHPMailTest.php            | 24 +++++++------
 .../Mailer/WordPress/WordpressMailerTest.php  | 28 +++++++--------
 .../integration/Newsletter/ShortcodesTest.php |  2 +-
 .../integration/Segments/WooCommerceTest.php  | 34 +++++++++----------
 25 files changed, 111 insertions(+), 109 deletions(-)

diff --git a/lib/AdminPages/Pages/DynamicSegments.php b/lib/AdminPages/Pages/DynamicSegments.php
index beba39bf56..e70059432a 100644
--- a/lib/AdminPages/Pages/DynamicSegments.php
+++ b/lib/AdminPages/Pages/DynamicSegments.php
@@ -67,7 +67,7 @@ class DynamicSegments {
     $products = $this->wp->getPosts($args);
     return array_map(function ($product) {
       return [
-        'title' => $product->postTitle,
+        'title' => $product->post_title, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
         'ID' => $product->ID,
       ];
     }, $products);
diff --git a/lib/AutomaticEmails/WooCommerce/Events/PurchasedInCategory.php b/lib/AutomaticEmails/WooCommerce/Events/PurchasedInCategory.php
index 1f513ded71..4186a91798 100644
--- a/lib/AutomaticEmails/WooCommerce/Events/PurchasedInCategory.php
+++ b/lib/AutomaticEmails/WooCommerce/Events/PurchasedInCategory.php
@@ -80,7 +80,7 @@ class PurchasedInCategory {
 
     return array_map(function($category) {
       return [
-        'id' => $category->termId,
+        'id' => $category->term_id, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
         'name' => $category->name,
       ];
     }, $allCategories);
diff --git a/lib/AutomaticEmails/WooCommerce/Events/PurchasedProduct.php b/lib/AutomaticEmails/WooCommerce/Events/PurchasedProduct.php
index a35f9b8a49..6e09ef314c 100644
--- a/lib/AutomaticEmails/WooCommerce/Events/PurchasedProduct.php
+++ b/lib/AutomaticEmails/WooCommerce/Events/PurchasedProduct.php
@@ -90,7 +90,7 @@ class PurchasedProduct {
     $woocommerceProducts = array_map(function($product) {
       return [
         'id' => $product->ID,
-        'name' => $product->postTitle,
+        'name' => $product->post_title, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       ];
     }, $woocommerceProducts);
     return $woocommerceProducts;
diff --git a/lib/Config/Populator.php b/lib/Config/Populator.php
index 58a7d2d3c4..af16726ffa 100644
--- a/lib/Config/Populator.php
+++ b/lib/Config/Populator.php
@@ -182,7 +182,7 @@ class Populator {
     $page = null;
     if (!empty($pages)) {
       $page = array_shift($pages);
-      if (strpos($page->postContent, '[mailpoet_page]') === false) {
+      if (strpos($page->post_content, '[mailpoet_page]') === false) { // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
         $page = null;
       }
     }
@@ -220,8 +220,8 @@ class Populator {
 
     // set default sender info based on current user
     $sender = [
-      'name' => $currentUser->displayName,
-      'address' => $currentUser->userEmail,
+      'name' => $currentUser->display_name, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+      'address' => $currentUser->user_email, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     ];
 
     // set default from name & address
diff --git a/lib/Form/Widget.php b/lib/Form/Widget.php
index 08590a6a39..8cab535829 100644
--- a/lib/Form/Widget.php
+++ b/lib/Form/Widget.php
@@ -181,7 +181,7 @@ class Widget extends \WP_Widget {
       'widget_title',
       !empty($instance['title']) ? $instance['title'] : '',
       $instance,
-      $this->idBase
+      $this->id_base // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     );
 
     // get form
@@ -206,7 +206,7 @@ class Widget extends \WP_Widget {
     $output = '';
 
     if (!empty($body)) {
-      $formId = $this->idBase . '_' . $form['id'];
+      $formId = $this->id_base . '_' . $form['id']; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       $data = [
         'form_id' => $formId,
         'form_type' => $formType,
diff --git a/lib/Mailer/Methods/PHPMail.php b/lib/Mailer/Methods/PHPMail.php
index 27e32a6b64..12d3d6f1f6 100644
--- a/lib/Mailer/Methods/PHPMail.php
+++ b/lib/Mailer/Methods/PHPMail.php
@@ -62,17 +62,17 @@ class PHPMail {
     $mailer->clearAddresses();
     $mailer->clearCustomHeaders();
     $mailer->isHTML(!empty($newsletter['body']['html']));
-    $mailer->charSet = 'UTF-8';
+    $mailer->CharSet = 'UTF-8'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $mailer->setFrom($this->sender['from_email'], $this->sender['from_name'], false);
     $mailer->addReplyTo($this->replyTo['reply_to_email'], $this->replyTo['reply_to_name']);
     $subscriber = $this->processSubscriber($subscriber);
     $mailer->addAddress($subscriber['email'], $subscriber['name']);
-    $mailer->subject = (!empty($newsletter['subject'])) ? $newsletter['subject'] : '';
-    $mailer->body = (!empty($newsletter['body']['html'])) ? $newsletter['body']['html'] : $newsletter['body']['text'];
-    if ($mailer->contentType !== 'text/plain') {
-      $mailer->altBody = (!empty($newsletter['body']['text'])) ? $newsletter['body']['text'] : '';
+    $mailer->Subject = (!empty($newsletter['subject'])) ? $newsletter['subject'] : ''; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    $mailer->Body = (!empty($newsletter['body']['html'])) ? $newsletter['body']['html'] : $newsletter['body']['text']; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    if ($mailer->ContentType !== 'text/plain') { // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+      $mailer->AltBody = (!empty($newsletter['body']['text'])) ? $newsletter['body']['text'] : ''; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     }
-    $mailer->sender = $this->returnPath;
+    $mailer->Sender = $this->returnPath; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     if (!empty($extraParams['unsubscribe_url'])) {
       $this->mailer->addCustomHeader('List-Unsubscribe', $extraParams['unsubscribe_url']);
     }
@@ -84,8 +84,8 @@ class PHPMail {
     //   sendmail command which expects only NL as line endings (POSIX). Since quoted-printable
     //   requires CRLF some of those commands convert LF to CRLF which can break the email body
     //   because it already (correctly) uses CRLF. Such CRLF then (wrongly) becomes CRCRLF.
-    if (\PHPMailer::hasLineLongerThanMax($mailer->body)) {
-      $mailer->encoding = 'base64';
+    if (\PHPMailer::hasLineLongerThanMax($mailer->Body)) { // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+      $mailer->Encoding = 'base64'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     }
 
     return $mailer;
diff --git a/lib/Mailer/WordPress/WordPressMailer.php b/lib/Mailer/WordPress/WordPressMailer.php
index d771258e5d..669d95e0e5 100644
--- a/lib/Mailer/WordPress/WordPressMailer.php
+++ b/lib/Mailer/WordPress/WordPressMailer.php
@@ -40,7 +40,7 @@ class WordPressMailer extends \PHPMailer {
 
   public function send() {
     // We need this so that the \PHPMailer class will correctly prepare all the headers.
-    $this->mailer = 'mail';
+    $this->Mailer = 'mail'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
 
     // Prepare everything (including the message) for sending.
     $this->preSend();
@@ -74,16 +74,16 @@ class WordPressMailer extends \PHPMailer {
 
   private function getEmail() {
     $email = [
-      'subject' => $this->subject,
+      'subject' => $this->Subject, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       'body' => [],
     ];
 
-    if ($this->contentType === 'text/plain') {
-      $email['body']['text'] = $this->body;
-    } elseif ($this->contentType === 'text/html') {
-      $text = @Html2Text::convert(strtolower($this->charSet) === 'utf-8' ? $this->body : utf8_encode($this->body));
+    if ($this->ContentType === 'text/plain') { // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+      $email['body']['text'] = $this->Body; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    } elseif ($this->ContentType === 'text/html') { // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+      $text = @Html2Text::convert(strtolower($this->CharSet) === 'utf-8' ? $this->Body : utf8_encode($this->Body)); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       $email['body']['text'] = $text;
-      $email['body']['html'] = $this->body;
+      $email['body']['html'] = $this->Body; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     } else {
       throw new \phpmailerException('Unsupported email content type has been used. Please use only text or HTML emails.');
     }
diff --git a/lib/Newsletter/AutomatedLatestContent.php b/lib/Newsletter/AutomatedLatestContent.php
index 047f18a2dc..be27d68a9f 100644
--- a/lib/Newsletter/AutomatedLatestContent.php
+++ b/lib/Newsletter/AutomatedLatestContent.php
@@ -37,8 +37,8 @@ class AutomatedLatestContent {
     // Queries with taxonomies are autodetected as 'is_archive=true' and 'is_home=false'
     // while queries without them end up being 'is_archive=false' and 'is_home=true'.
     // This is to fix that by always enforcing constistent behavior.
-    $query->isArchive = true;
-    $query->isHome = false;
+    $query->is_archive = true; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    $query->is_home = false; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
   }
 
   public function getPosts($args, $postsToExclude = []) {
@@ -167,7 +167,7 @@ class AutomatedLatestContent {
     foreach ($posts as $post) {
       $postsToLog[] = [
         'id' => $post->ID,
-        'post_date' => $post->postDate,
+        'post_date' => $post->post_date, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       ];
     }
     $this->loggerFactory->getLogger(LoggerFactory::TOPIC_POST_NOTIFICATIONS)->addInfo(
diff --git a/lib/Newsletter/Editor/MetaInformationManager.php b/lib/Newsletter/Editor/MetaInformationManager.php
index 5a949031a2..560a772691 100644
--- a/lib/Newsletter/Editor/MetaInformationManager.php
+++ b/lib/Newsletter/Editor/MetaInformationManager.php
@@ -14,7 +14,7 @@ class MetaInformationManager {
 
       if (isset($args['showAuthor']) && $args['showAuthor'] === $positionField) {
         $text[] = self::getPostAuthor(
-          $post->postAuthor,
+          $post->post_author, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
           $args['authorPrecededBy']
         );
       }
@@ -22,7 +22,7 @@ class MetaInformationManager {
       if (isset($args['showCategories']) && $args['showCategories'] === $positionField) {
         $text[] = self::getPostCategories(
           $post->ID,
-          $post->postType,
+          $post->post_type, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
           $args['categoriesPrecededBy']
         );
       }
diff --git a/lib/Newsletter/Editor/PostContentManager.php b/lib/Newsletter/Editor/PostContentManager.php
index 10a6e63be3..54c3124c3b 100644
--- a/lib/Newsletter/Editor/PostContentManager.php
+++ b/lib/Newsletter/Editor/PostContentManager.php
@@ -23,19 +23,19 @@ class PostContentManager {
     if ($displayType === 'titleOnly') {
       return '';
     }
-    if ($this->woocommerceHelper->isWooCommerceActive() && $post->postType === 'product') {
+    if ($this->woocommerceHelper->isWooCommerceActive() && $post->post_type === 'product') { // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       $product = $this->woocommerceHelper->wcGetProduct($post->ID);
       if ($product) {
         return $this->getContentForProduct($product, $displayType);
       }
     }
     if ($displayType === 'excerpt') {
-      if (!empty($post->postExcerpt)) {
-        return self::stripShortCodes($post->postExcerpt);
+      if (!empty($post->post_excerpt)) { // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+        return self::stripShortCodes($post->post_excerpt); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       }
-      return $this->generateExcerpt($post->postContent);
+      return $this->generateExcerpt($post->post_content); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     }
-    return self::stripShortCodes($post->postContent);
+    return self::stripShortCodes($post->post_content); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
   }
 
   public function filterContent($content, $displayType, $withPostClass = true) {
diff --git a/lib/Newsletter/Editor/PostTransformerContentsExtractor.php b/lib/Newsletter/Editor/PostTransformerContentsExtractor.php
index 03bd5dce5b..21d776bc8e 100644
--- a/lib/Newsletter/Editor/PostTransformerContentsExtractor.php
+++ b/lib/Newsletter/Editor/PostTransformerContentsExtractor.php
@@ -68,7 +68,7 @@ class PostTransformerContentsExtractor {
 
   public function getFeaturedImage($post) {
     $postId = $post->ID;
-    $postTitle = $this->sanitizeTitle($post->postTitle);
+    $postTitle = $this->sanitizeTitle($post->post_title); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $imageFullWidth = (bool)filter_var($this->args['imageFullWidth'], FILTER_VALIDATE_BOOLEAN);
 
     if (!has_post_thumbnail($postId)) {
@@ -125,7 +125,7 @@ class PostTransformerContentsExtractor {
   }
 
   public function getTitle($post) {
-    $title = $this->sanitizeTitle($post->postTitle);
+    $title = $this->sanitizeTitle($post->post_title); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
 
     if (filter_var($this->args['titleIsLink'], FILTER_VALIDATE_BOOLEAN)) {
       $title = '<a href="' . $this->wp->getPermalink($post->ID) . '">' . $title . '</a>';
@@ -182,7 +182,7 @@ class PostTransformerContentsExtractor {
   }
 
   public function isProduct($post) {
-    return $post->postType === 'product';
+    return $post->post_type === 'product'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
   }
 
   /**
diff --git a/lib/Newsletter/Editor/TitleListTransformer.php b/lib/Newsletter/Editor/TitleListTransformer.php
index dec50603d3..1369f0eb39 100644
--- a/lib/Newsletter/Editor/TitleListTransformer.php
+++ b/lib/Newsletter/Editor/TitleListTransformer.php
@@ -31,7 +31,7 @@ class TitleListTransformer {
   }
 
   private function getPostTitle($post) {
-    $title = $post->postTitle;
+    $title = $post->post_title; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $alignment = $this->args['titleAlignment'];
     $alignment = (in_array($alignment, ['left', 'right', 'center'])) ? $alignment : 'left';
 
diff --git a/lib/Newsletter/Scheduler/PostNotificationScheduler.php b/lib/Newsletter/Scheduler/PostNotificationScheduler.php
index b0dfe49fbd..016e6704d5 100644
--- a/lib/Newsletter/Scheduler/PostNotificationScheduler.php
+++ b/lib/Newsletter/Scheduler/PostNotificationScheduler.php
@@ -40,7 +40,7 @@ class PostNotificationScheduler {
       ]
     );
     $types = Posts::getTypes();
-    if (($newStatus !== 'publish') || !isset($types[$post->postType])) {
+    if (($newStatus !== 'publish') || !isset($types[$post->post_type])) { // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       return;
     }
     $this->schedulePostNotification($post->ID);
diff --git a/lib/Newsletter/Shortcodes/Categories/Newsletter.php b/lib/Newsletter/Shortcodes/Categories/Newsletter.php
index f92104aeff..550055a22f 100644
--- a/lib/Newsletter/Shortcodes/Categories/Newsletter.php
+++ b/lib/Newsletter/Shortcodes/Categories/Newsletter.php
@@ -44,8 +44,8 @@ class Newsletter {
     // Queries with taxonomies are autodetected as 'is_archive=true' and 'is_home=false'
     // while queries without them end up being 'is_archive=false' and 'is_home=true'.
     // This is to fix that by always enforcing constistent behavior.
-    $query->isArchive = true;
-    $query->isHome = false;
+    $query->is_archive = true; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    $query->is_home = false; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
   }
 
   private static function getLatestWPPost($postIds) {
diff --git a/lib/Newsletter/Shortcodes/Categories/Subscriber.php b/lib/Newsletter/Shortcodes/Categories/Subscriber.php
index 5c95614da6..5756b32941 100644
--- a/lib/Newsletter/Shortcodes/Categories/Subscriber.php
+++ b/lib/Newsletter/Shortcodes/Categories/Subscriber.php
@@ -31,7 +31,7 @@ class Subscriber {
       case 'displayname':
         if ($subscriber && $subscriber->wpUserId) {
           $wpUser = WPFunctions::get()->getUserdata($subscriber->wpUserId);
-          return $wpUser->userLogin;
+          return $wpUser->user_login; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
         }
         return $defaultValue;
       case 'count':
diff --git a/lib/Router/Endpoints/Track.php b/lib/Router/Endpoints/Track.php
index 071555e9d3..8706b79922 100644
--- a/lib/Router/Endpoints/Track.php
+++ b/lib/Router/Endpoints/Track.php
@@ -51,23 +51,23 @@ class Track {
 
   public function _processTrackData($data) {
     $data = (object)Links::transformUrlDataObject($data);
-    if (empty($data->queueId) ||
-      empty($data->subscriberId) ||
-      empty($data->subscriberToken)
+    if (empty($data->queue_id) || // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+      empty($data->subscriber_id) || // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+      empty($data->subscriber_token) // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     ) {
       return false;
     }
-    $data->queue = SendingQueue::findOne($data->queueId);
+    $data->queue = SendingQueue::findOne($data->queue_id); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     if ($data->queue instanceof SendingQueue) {
       $data->queue = SendingTask::createFromQueue($data->queue);
     }
-    $data->subscriber = Subscriber::findOne($data->subscriberId) ?: null;
-    $data->newsletter = (!empty($data->queue->newsletterId)) ?
-      Newsletter::findOne($data->queue->newsletterId) :
+    $data->subscriber = Subscriber::findOne($data->subscriber_id) ?: null; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    $data->newsletter = (!empty($data->queue->newsletter_id)) ? // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+      Newsletter::findOne($data->queue->newsletter_id) : // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       false;
-    if (!empty($data->linkHash)) {
-      $data->link = NewsletterLink::where('hash', $data->linkHash)
-        ->where('queue_id', $data->queueId)
+    if (!empty($data->link_hash)) { // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+      $data->link = NewsletterLink::where('hash', $data->link_hash) // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+        ->where('queue_id', $data->queue_id) // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
         ->findOne();
     }
     return $this->_validateTrackData($data);
@@ -75,7 +75,7 @@ class Track {
 
   public function _validateTrackData($data) {
     if (!$data->subscriber || !$data->queue || !$data->newsletter) return false;
-    $subscriberTokenMatch = $this->linkTokens->verifyToken($data->subscriber, $data->subscriberToken);
+    $subscriberTokenMatch = $this->linkTokens->verifyToken($data->subscriber, $data->subscriber_token); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     if (!$subscriberTokenMatch) {
       $this->terminate(403);
     }
diff --git a/lib/Segments/WP.php b/lib/Segments/WP.php
index 297609cb0f..fe89583784 100644
--- a/lib/Segments/WP.php
+++ b/lib/Segments/WP.php
@@ -40,16 +40,16 @@ class WP {
       case 'added_existing_user':
       default:
         // get first name & last name
-        $firstName = $wpUser->firstName;
-        $lastName = $wpUser->lastName;
-        if (empty($wpUser->firstName) && empty($wpUser->lastName)) {
-          $firstName = $wpUser->displayName;
+        $firstName = $wpUser->first_name; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+        $lastName = $wpUser->last_name; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+        if (empty($wpUser->first_name) && empty($wpUser->last_name)) { // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+          $firstName = $wpUser->display_name; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
         }
         $signupConfirmationEnabled = SettingsController::getInstance()->get('signup_confirmation.enabled');
         // subscriber data
         $data = [
           'wp_user_id' => $wpUser->ID,
-          'email' => $wpUser->userEmail,
+          'email' => $wpUser->user_email, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
           'first_name' => $firstName,
           'last_name' => $lastName,
           'status' => $signupConfirmationEnabled ? Subscriber::STATUS_UNCONFIRMED : Subscriber::STATUS_SUBSCRIBED,
diff --git a/lib/Segments/WooCommerce.php b/lib/Segments/WooCommerce.php
index 01facd5efd..3c4fb830ea 100644
--- a/lib/Segments/WooCommerce.php
+++ b/lib/Segments/WooCommerce.php
@@ -122,11 +122,11 @@ class WooCommerce {
     $mailpoetEmailColumn = $wpdb->get_row(
       'SHOW FULL COLUMNS FROM ' . MP_SUBSCRIBERS_TABLE . ' WHERE Field = "email"'
     );
-    $this->mailpoetEmailCollation = $mailpoetEmailColumn->collation;
+    $this->mailpoetEmailCollation = $mailpoetEmailColumn->Collation; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $wpPostmetaValueColumn = $wpdb->get_row(
       'SHOW FULL COLUMNS FROM ' . $wpdb->postmeta . ' WHERE Field = "meta_value"'
     );
-    $this->wpPostmetaValueCollation = $wpPostmetaValueColumn->collation;
+    $this->wpPostmetaValueCollation = $wpPostmetaValueColumn->Collation; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
   }
 
   private function needsCollationChange($collation1, $collation2) {
diff --git a/tests/integration/API/JSON/v1/AutomatedLatestContentTest.php b/tests/integration/API/JSON/v1/AutomatedLatestContentTest.php
index 36589406ee..a668b56ca0 100644
--- a/tests/integration/API/JSON/v1/AutomatedLatestContentTest.php
+++ b/tests/integration/API/JSON/v1/AutomatedLatestContentTest.php
@@ -23,7 +23,7 @@ class AutomatedLatestContentTest extends \MailPoetTest {
     // WP's default post type 'revision' is excluded from search
     // https://codex.wordpress.org/Post_Types
     $revisionPostType = get_post_type_object('revision');
-    expect($revisionPostType->excludeFromSearch)->true();
+    expect($revisionPostType->exclude_from_search)->true(); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     expect(isset($response->data['revision']))->false();
   }
 }
diff --git a/tests/integration/Config/MP2MigratorTest.php b/tests/integration/Config/MP2MigratorTest.php
index 2ff124146f..c8b1dc9d5e 100644
--- a/tests/integration/Config/MP2MigratorTest.php
+++ b/tests/integration/Config/MP2MigratorTest.php
@@ -64,7 +64,7 @@ class MP2MigratorTest extends \MailPoetTest {
 
     // Check if the subscribers number is equal to the WordPress users number
     // On multisite environment, there's only 1 users table that's shared by subsites
-    $WPUsersCount = ORM::for_table($wpdb->basePrefix . 'users')->count();
+    $WPUsersCount = ORM::for_table($wpdb->base_prefix . 'users')->count(); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     expect(Subscriber::count())->equals($WPUsersCount);
 
     // Check if the custom fields number is 0
@@ -310,10 +310,10 @@ class MP2MigratorTest extends \MailPoetTest {
     $table = MP_SUBSCRIBERS_TABLE;
     $subscriber = $wpdb->get_row("SELECT * FROM $table WHERE email='$email'");
     expect($subscriber->email)->equals($email);
-    expect($subscriber->firstName)->equals($firstname);
-    expect($subscriber->lastName)->equals($lastname);
-    expect($subscriber->subscribedIp)->equals($ip);
-    expect($subscriber->confirmedIp)->equals($confirmedIp);
+    expect($subscriber->first_name)->equals($firstname); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    expect($subscriber->last_name)->equals($lastname); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    expect($subscriber->subscribed_ip)->equals($ip); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    expect($subscriber->confirmed_ip)->equals($confirmedIp); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     expect($subscriber->status)->equals('subscribed');
   }
 
diff --git a/tests/integration/Cron/Workers/SendingQueue/Tasks/ShortcodesTest.php b/tests/integration/Cron/Workers/SendingQueue/Tasks/ShortcodesTest.php
index 8500292b34..e0efea6c9f 100644
--- a/tests/integration/Cron/Workers/SendingQueue/Tasks/ShortcodesTest.php
+++ b/tests/integration/Cron/Workers/SendingQueue/Tasks/ShortcodesTest.php
@@ -46,7 +46,7 @@ class ShortcodesTest extends \MailPoetTest {
     expect(trim(Shortcodes::process($content)))->equals('Subject line with one shortcode:');
 
     // when tag is found, the shortcode will be processed and replaced
-    expect(Shortcodes::process($content, $contentSource))->equals('Subject line with one shortcode: ' . $wpPost->postTitle);
+    expect(Shortcodes::process($content, $contentSource))->equals('Subject line with one shortcode: ' . $wpPost->post_title); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
   }
 
   public function _after() {
diff --git a/tests/integration/Mailer/Methods/PHPMailTest.php b/tests/integration/Mailer/Methods/PHPMailTest.php
index 1044c07d3b..679053783e 100644
--- a/tests/integration/Mailer/Methods/PHPMailTest.php
+++ b/tests/integration/Mailer/Methods/PHPMailTest.php
@@ -51,7 +51,9 @@ class PHPMailTest extends \MailPoetTest {
   public function testItCanBuildMailer() {
     $mailer = $this->mailer->buildMailer();
     expect($mailer)->isInstanceOf('PHPMailer');
-    expect($mailer->mailer)->equals('mail'); // uses PHP's mail() function
+
+    // uses PHP's mail() function
+    expect($mailer->Mailer)->equals('mail'); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
   }
 
   public function testWhenReturnPathIsNullItIsSetToSenderEmail() {
@@ -67,7 +69,7 @@ class PHPMailTest extends \MailPoetTest {
   public function testItCanConfigureMailerWithMessage() {
     $mailer = $this->mailer
       ->configureMailerWithMessage($this->newsletter, $this->subscriber, $this->extraParams);
-    expect($mailer->charSet)->equals('UTF-8');
+    expect($mailer->CharSet)->equals('UTF-8'); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     expect($mailer->getToAddresses())->equals(
       [
         [
@@ -78,8 +80,8 @@ class PHPMailTest extends \MailPoetTest {
     );
     expect($mailer->getAllRecipientAddresses())
       ->equals(['mailpoet-phoenix-test@mailinator.com' => true]);
-    expect($mailer->from)->equals($this->sender['from_email']);
-    expect($mailer->fromName)->equals($this->sender['from_name']);
+    expect($mailer->From)->equals($this->sender['from_email']); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    expect($mailer->FromName)->equals($this->sender['from_name']); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     expect($mailer->getReplyToAddresses())->equals(
       [
         'reply-to@mailpoet.com' => [
@@ -88,12 +90,12 @@ class PHPMailTest extends \MailPoetTest {
         ],
       ]
     );
-    expect($mailer->sender)->equals($this->returnPath);
-    expect($mailer->contentType)->equals('text/html');
-    expect($mailer->subject)->equals($this->newsletter['subject']);
-    expect($mailer->body)
+    expect($mailer->Sender)->equals($this->returnPath); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    expect($mailer->ContentType)->equals('text/html'); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    expect($mailer->Subject)->equals($this->newsletter['subject']); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    expect($mailer->Body) // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       ->equals($this->newsletter['body']['html']);
-    expect($mailer->altBody)
+    expect($mailer->AltBody) // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       ->equals($this->newsletter['body']['text']);
     expect($mailer->getCustomHeaders())->equals(
       [
@@ -113,8 +115,8 @@ class PHPMailTest extends \MailPoetTest {
           'text' => 'TEXT body',
         ],
       ], $this->subscriber);
-    expect($mailer->contentType)->equals('text/plain');
-    expect($mailer->body)->equals('TEXT body');
+    expect($mailer->ContentType)->equals('text/plain'); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    expect($mailer->Body)->equals('TEXT body'); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
   }
 
   public function testItCanProcessSubscriber() {
diff --git a/tests/integration/Mailer/WordPress/WordpressMailerTest.php b/tests/integration/Mailer/WordPress/WordpressMailerTest.php
index 6911698895..99116e5dfc 100644
--- a/tests/integration/Mailer/WordPress/WordpressMailerTest.php
+++ b/tests/integration/Mailer/WordPress/WordpressMailerTest.php
@@ -45,8 +45,8 @@ class WordpressMailerTest extends \MailPoetTest {
 
     $wpMailer = new WordPressMailer($mailer, $fallbackMailer, new MetaInfo, $this->subscribersRepository);
     $wpMailer->addAddress('email@example.com');
-    $wpMailer->subject = 'Subject';
-    $wpMailer->body = 'Email Text Body';
+    $wpMailer->Subject = 'Subject'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    $wpMailer->Body = 'Email Text Body'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $wpMailer->isHTML(false);
     $wpMailer->send();
   }
@@ -66,8 +66,8 @@ class WordpressMailerTest extends \MailPoetTest {
 
     $wpMailer = new WordPressMailer($mailer, $fallbackMailer, new MetaInfo, $this->subscribersRepository);
     $wpMailer->addAddress('email@example.com', 'Full Name');
-    $wpMailer->subject = 'Subject';
-    $wpMailer->body = 'Body';
+    $wpMailer->Subject = 'Subject'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    $wpMailer->Body = 'Body'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $wpMailer->isHTML(false);
     $wpMailer->send();
   }
@@ -90,8 +90,8 @@ class WordpressMailerTest extends \MailPoetTest {
 
     $wpMailer = new WordPressMailer($mailer, $fallbackMailer, new MetaInfo, $this->subscribersRepository);
     $wpMailer->addAddress('email@example.com');
-    $wpMailer->subject = 'Subject';
-    $wpMailer->body = 'Email Html Body';
+    $wpMailer->Subject = 'Subject'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    $wpMailer->Body = 'Email Html Body'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $wpMailer->isHTML(true);
     $wpMailer->send();
   }
@@ -107,7 +107,7 @@ class WordpressMailerTest extends \MailPoetTest {
 
     $wpMailer = new WordPressMailer($mailer, $fallbackMailer, new MetaInfo, $this->subscribersRepository);
     $wpMailer->addAddress('email@example.com');
-    $wpMailer->body = 'body';
+    $wpMailer->Body = 'body'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     expect($wpMailer->send())->true();
   }
 
@@ -126,7 +126,7 @@ class WordpressMailerTest extends \MailPoetTest {
 
     $wpMailer = new WordPressMailer($mailer, $fallbackMailer, new MetaInfo, $this->subscribersRepository);
     $wpMailer->addAddress('email@example.com');
-    $wpMailer->body = 'body';
+    $wpMailer->Body = 'body'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     expect($wpMailer->send())->true();
   }
 
@@ -144,7 +144,7 @@ class WordpressMailerTest extends \MailPoetTest {
 
     $wpMailer = new WordPressMailer($mailer, $fallbackMailer, new MetaInfo, $this->subscribersRepository);
     $wpMailer->addAddress('email@example.com');
-    $wpMailer->body = 'body';
+    $wpMailer->Body = 'body'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
 
     $errorMessage = null;
     try {
@@ -167,8 +167,8 @@ class WordpressMailerTest extends \MailPoetTest {
 
     $wpMailer = new WordPressMailer($mailer, $fallbackMailer, new MetaInfo, $this->subscribersRepository);
     $wpMailer->addAddress('email@example.com');
-    $wpMailer->body = 'body';
-    $wpMailer->contentType = 'application/json';
+    $wpMailer->Body = 'body'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    $wpMailer->ContentType = 'application/json'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $this->expectException(\phpmailerException::class);
     $wpMailer->send();
   }
@@ -187,7 +187,7 @@ class WordpressMailerTest extends \MailPoetTest {
 
     $wpMailer = new WordPressMailer($mailer, $fallbackMailer, new MetaInfo, $this->subscribersRepository);
     $wpMailer->addAddress('email@example.com');
-    $wpMailer->body = 'body';
+    $wpMailer->Body = 'body'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
 
     $errorMessage = null;
     try {
@@ -225,8 +225,8 @@ class WordpressMailerTest extends \MailPoetTest {
 
     $wpMailer = new WordPressMailer($mailer, $fallbackMailer, new MetaInfo, $this->subscribersRepository);
     $wpMailer->addAddress('email@example.com', 'Full Name');
-    $wpMailer->subject = 'Subject';
-    $wpMailer->body = 'Body';
+    $wpMailer->Subject = 'Subject'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
+    $wpMailer->Body = 'Body'; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $wpMailer->send();
   }
 
diff --git a/tests/integration/Newsletter/ShortcodesTest.php b/tests/integration/Newsletter/ShortcodesTest.php
index 3f07379f52..cb5f0e9ab2 100644
--- a/tests/integration/Newsletter/ShortcodesTest.php
+++ b/tests/integration/Newsletter/ShortcodesTest.php
@@ -134,7 +134,7 @@ class ShortcodesTest extends \MailPoetTest {
     $result =
       $shortcodesObject->process(['[newsletter:post_title]'], $content);
     $wpPost = get_post($this->wPPost);
-    expect($result['0'])->equals($wpPost->postTitle);
+    expect($result['0'])->equals($wpPost->post_title); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
   }
 
   public function itCanProcessPostNotificationNewsletterNumberShortcode() {
diff --git a/tests/integration/Segments/WooCommerceTest.php b/tests/integration/Segments/WooCommerceTest.php
index 11bab50192..5c9995ba84 100644
--- a/tests/integration/Segments/WooCommerceTest.php
+++ b/tests/integration/Segments/WooCommerceTest.php
@@ -41,7 +41,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $subscriber->hydrate([
       'first_name' => 'Mike',
       'last_name' => 'Mike',
-      'email' => $user->userEmail,
+      'email' => $user->user_email, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       'wp_user_id' => $user->ID,
     ]);
     $subscriber->status = Subscriber::STATUS_SUBSCRIBED;
@@ -54,7 +54,7 @@ class WooCommerceTest extends \MailPoetTest  {
       ->where('wp_user_id', $user->ID)
       ->findOne();
     expect($subscriber)->notEmpty();
-    expect($subscriber->email)->equals($user->userEmail);
+    expect($subscriber->email)->equals($user->user_email); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     expect($subscriber->isWoocommerceUser)->equals(1);
     expect($subscriber->source)->equals(Source::WOOCOMMERCE_USER);
     expect($subscriber->deletedAt)->equals(null);
@@ -66,7 +66,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $subscriber->hydrate([
       'first_name' => 'Mike',
       'last_name' => 'Mike',
-      'email' => $user->userEmail,
+      'email' => $user->user_email, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       'wp_user_id' => $user->ID,
     ]);
     $subscriber->status = Subscriber::STATUS_UNSUBSCRIBED;
@@ -78,7 +78,7 @@ class WooCommerceTest extends \MailPoetTest  {
       ->where('wp_user_id', $user->ID)
       ->findOne();
     expect($subscriber)->notEmpty();
-    expect($subscriber->email)->equals($user->userEmail);
+    expect($subscriber->email)->equals($user->user_email); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     expect($subscriber->isWoocommerceUser)->equals(1);
     expect($subscriber->source)->equals(Source::WORDPRESS_USER); // no overriding
     expect($subscriber->status)->equals(Subscriber::STATUS_UNSUBSCRIBED); // no overriding
@@ -91,7 +91,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $subscriber->hydrate([
       'first_name' => 'Mike',
       'last_name' => 'Mike',
-      'email' => $user->userEmail,
+      'email' => $user->user_email, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       'wp_user_id' => $user->ID,
     ]);
     $subscriber->status = Subscriber::STATUS_UNSUBSCRIBED;
@@ -126,7 +126,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $this->woocommerceSegment->synchronizeCustomers();
     $subscribersCount = $this->getSubscribersCount();
     expect($subscribersCount)->equals(2);
-    $subscriber = Subscriber::where('email', $user->userEmail)->findOne();
+    $subscriber = Subscriber::where('email', $user->user_email)->findOne(); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     expect($subscriber->status)->equals(Subscriber::STATUS_UNCONFIRMED);
     expect($subscriber->source)->equals(Source::WOOCOMMERCE_USER);
     $subscriber = Subscriber::where('email', $guest['email'])->findOne();
@@ -202,7 +202,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $user = $this->insertRegisteredCustomerWithOrder(null, ['first_name' => '']);
     $this->woocommerceSegment->synchronizeCustomers();
     update_post_meta($user->orderId, '_billing_first_name', 'First name');
-    $this->createOrder(['email' => $user->userEmail, 'first_name' => 'First name (newer)']);
+    $this->createOrder(['email' => $user->user_email, 'first_name' => 'First name (newer)']); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $this->woocommerceSegment->synchronizeCustomers();
     $subscriber = Subscriber::where('wp_user_id', $user->ID)->findOne();
     expect($subscriber->firstName)->equals('First name (newer)');
@@ -212,7 +212,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $user = $this->insertRegisteredCustomerWithOrder(null, ['last_name' => '']);
     $this->woocommerceSegment->synchronizeCustomers();
     update_post_meta($user->orderId, '_billing_last_name', 'Last name');
-    $this->createOrder(['email' => $user->userEmail, 'last_name' => 'Last name (newer)']);
+    $this->createOrder(['email' => $user->user_email, 'last_name' => 'Last name (newer)']); // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $this->woocommerceSegment->synchronizeCustomers();
     $subscriber = Subscriber::where('wp_user_id', $user->ID)->findOne();
     expect($subscriber->lastName)->equals('Last name (newer)');
@@ -253,13 +253,13 @@ class WooCommerceTest extends \MailPoetTest  {
   public function testItRemovesRegisteredCustomersFromTrash() {
     $user = $this->insertRegisteredCustomer();
     $this->woocommerceSegment->synchronizeCustomers();
-    $subscriber = Subscriber::where("email", $user->userEmail)
+    $subscriber = Subscriber::where("email", $user->user_email) // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       ->where('is_woocommerce_user', 1)
       ->findOne();
     $subscriber->deletedAt = Carbon::now();
     $subscriber->save();
     $this->woocommerceSegment->synchronizeCustomers();
-    $subscriber = Subscriber::where("email", $user->userEmail)
+    $subscriber = Subscriber::where("email", $user->user_email) // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       ->where('is_woocommerce_user', 1)
       ->findOne();
     expect($subscriber->deletedAt)->null();
@@ -306,7 +306,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $subscriber->hydrate([
       'first_name' => 'John',
       'last_name' => 'John',
-      'email' => $user->userEmail,
+      'email' => $user->user_email, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       'wp_user_id' => $user->ID,
     ]);
     $subscriber->status = Subscriber::STATUS_UNCONFIRMED;
@@ -432,7 +432,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $user2 = $this->insertRegisteredCustomer();
 
     $subscriber1 = Subscriber::createOrUpdate([
-      'email' => $user1->userEmail,
+      'email' => $user1->user_email, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       'is_woocommerce_user' => 1,
       'status' => Subscriber::STATUS_UNSUBSCRIBED,
     ]);
@@ -443,7 +443,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $association1->save();
 
     $subscriber2 = Subscriber::createOrUpdate([
-      'email' => $user2->userEmail,
+      'email' => $user2->user_email, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       'is_woocommerce_user' => 1,
       'status' => Subscriber::STATUS_UNSUBSCRIBED,
       'confirmed_ip' => '123',
@@ -474,7 +474,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $user2 = $this->insertRegisteredCustomer();
 
     $subscriber1 = Subscriber::createOrUpdate([
-      'email' => $user1->userEmail,
+      'email' => $user1->user_email, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       'is_woocommerce_user' => 1,
       'status' => Subscriber::STATUS_SUBSCRIBED,
     ]);
@@ -485,7 +485,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $association1->save();
 
     $subscriber2 = Subscriber::createOrUpdate([
-      'email' => $user2->userEmail,
+      'email' => $user2->user_email, // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
       'is_woocommerce_user' => 1,
       'status' => Subscriber::STATUS_SUBSCRIBED,
       'confirmed_ip' => '123',
@@ -607,7 +607,7 @@ class WooCommerceTest extends \MailPoetTest  {
     // add customer role
     $user = new WPUserWithExtraProps($id);
     $user->add_role('customer');
-    $this->userEmails[] = $user->userEmail;
+    $this->userEmails[] = $user->user_email; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     return $user;
   }
 
@@ -631,7 +631,7 @@ class WooCommerceTest extends \MailPoetTest  {
     $number = !is_null($number) ? (int)$number : mt_rand();
     $user = $this->insertRegisteredCustomer($number);
     $data = is_array($data) ? $data : [];
-    $data['email'] = $user->userEmail;
+    $data['email'] = $user->user_email; // phpcs:ignore Squiz.NamingConventions.ValidVariableName.NotCamelCaps
     $data['user_id'] = $user->ID;
     $user->orderId = $this->createOrder($data);
     return $user;