Upgrade coding standard

composer.json

@@ -37,7 +37,7 @@
     },
     "require-dev": {
         "ext-xdebug": "*",
-        "aplus/coding-standard": "^2.0",
+        "aplus/coding-standard": "^2.8",
         "ergebnis/composer-normalize": "^2.23",
         "jetbrains/phpstorm-attributes": "^1.0",
         "phpmd/phpmd": "^2.13",

src/Mailer.php

@@ -48,10 +48,10 @@ public function __construct(
         #[SensitiveParameter]
         array | string $username,
         #[SensitiveParameter]
-        string $password = null,
+        ?string $password = null,
         string $host = 'localhost',
         int $port = 587,
-        string $hostname = null
+        ?string $hostname = null
     ) {
         $this->config = \is_array($username)
             ? $this->makeConfig($username)
@@ -280,7 +280,7 @@ public function send(Message $message) : bool
         return $this->sendMessage($message) === 250;
     }
 
-    protected function sendMessage(Message $message) : int | false
+    protected function sendMessage(Message $message) : false | int
     {
         if (!$this->connect()) {
             return false;

src/Message.php

@@ -153,7 +153,7 @@ protected function getCharset() : string
      *
      * @return static
      */
-    public function setBoundary(string $boundary = null) : static
+    public function setBoundary(?string $boundary = null) : static
     {
         $this->boundary = $boundary ?? \bin2hex(\random_bytes(16));
         return $this;
@@ -470,7 +470,7 @@ public function getSubject() : ?string
      *
      * @return static
      */
-    public function addTo(string $address, string $name = null) : static
+    public function addTo(string $address, ?string $name = null) : static
     {
         $this->to[$address] = $name;
         $this->setHeader(Header::TO, static::formatAddressList($this->to));
@@ -506,7 +506,7 @@ public function removeTo() : static
      *
      * @return static
      */
-    public function addCc(string $address, string $name = null) : static
+    public function addCc(string $address, ?string $name = null) : static
     {
         $this->cc[$address] = $name;
         $this->setHeader(Header::CC, static::formatAddressList($this->cc));
@@ -551,7 +551,7 @@ public function getRecipients() : array
      *
      * @return static
      */
-    public function addBcc(string $address, string $name = null) : static
+    public function addBcc(string $address, ?string $name = null) : static
     {
         $this->bcc[$address] = $name;
         $this->setHeader(Header::BCC, static::formatAddressList($this->bcc));
@@ -587,7 +587,7 @@ public function removeBcc() : static
      *
      * @return static
      */
-    public function addReplyTo(string $address, string $name = null) : static
+    public function addReplyTo(string $address, ?string $name = null) : static
     {
         $this->replyTo[$address] = $name;
         $this->setHeader(Header::REPLY_TO, static::formatAddressList($this->replyTo));
@@ -623,7 +623,7 @@ public function removeReplyTo() : static
      *
      * @return static
      */
-    public function setFrom(string $address, string $name = null) : static
+    public function setFrom(string $address, ?string $name = null) : static
     {
         $this->from = [$address, $name];
         $this->setHeader(Header::FROM, static::formatAddress($address, $name));
@@ -679,7 +679,7 @@ public function removeFrom() : static
      *
      * @return static
      */
-    public function setDate(DateTime $datetime = null) : static
+    public function setDate(?DateTime $datetime = null) : static
     {
         $date = $datetime ? $datetime->format('r') : \date('r');
         $this->setHeader(Header::DATE, $date);
@@ -730,7 +730,7 @@ public function getXPriority() : ?XPriority
      *
      * @return static
      */
-    public function setXMailer(string $xMailer = null) : static
+    public function setXMailer(?string $xMailer = null) : static
     {
         $xMailer ??= 'Aplus Mailer';
         $this->setHeader(Header::X_MAILER, $xMailer);
@@ -747,7 +747,7 @@ public function getXMailer() : ?string
         return $this->getHeader(Header::X_MAILER);
     }
 
-    protected static function formatAddress(string $address, string $name = null) : string
+    protected static function formatAddress(string $address, ?string $name = null) : string
     {
         return $name !== null ? '"' . $name . '" <' . $address . '>' : $address;
     }

tests/MessageMock.php

@@ -48,7 +48,7 @@ public function renderData() : string
         return parent::renderData();
     }
 
-    public static function formatAddress(string $address, string $name = null) : string
+    public static function formatAddress(string $address, ?string $name = null) : string
     {
         return parent::formatAddress($address, $name);
     }