Upgrade PHPStan level to 4

I had to add some ignore errors until phpstan/phpstan#1482 is resolved [MAILPOET-1915]
2019-03-20 15:04:45 +01:00
parent 7d6f69ec1d
commit 21766421d5
11 changed files with 20 additions and 20 deletions
--- a/lib/Subscribers/NewSubscriberNotificationMailer.php
+++ b/lib/Subscribers/NewSubscriberNotificationMailer.php
@@ -16,7 +16,7 @@ class NewSubscriberNotificationMailer {
  /** @var Renderer */
  private $renderer;

-  /** @var \MailPoet\Mailer\Mailer */
+  /** @var \MailPoet\Mailer\Mailer|null */
  private $mailer;

  /** @var Functions */