minor #46904 [Mime] fix PHP syntax to be compatible with 7.2 and 7.3 (xabbuh)

xabbuh · xabbuh · commit 212de381d981 · 2022-07-11T14:02:29.000+02:00
This PR was merged into the 4.4 branch. Discussion ---------- [Mime] fix PHP syntax to be compatible with 7.2 and 7.3 | Q | A | ------------- | --- | Branch? | 4.4 | Bug fix? | yes | New feature? | no | Deprecations? | no | Tickets | | License | MIT | Doc PR | Commits ------- 8eecc02 fix PHP syntax to be compatible with 7.2 and 7.3
diff --git a/src/Symfony/Component/Mime/Email.php b/src/Symfony/Component/Mime/Email.php
@@ -43,7 +43,10 @@ class Email extends Message
     private $html;
     private $htmlCharset;
     private $attachments = [];
-    private ?AbstractPart $cachedBody = null; // Used to avoid wrong body hash in DKIM signatures with multiple parts (e.g. HTML + TEXT) due to multiple boundaries.
+    /**
+     * @var AbstractPart|null
+     */
+    private $cachedBody; // Used to avoid wrong body hash in DKIM signatures with multiple parts (e.g. HTML + TEXT) due to multiple boundaries.
 
     /**
      * @return $this
