added CS fixes via composer cs-fix

Author: ip-qi

system/Email/Email.php

@@ -23,7 +23,7 @@
  *
  * Permits email to be sent using Mail, Sendmail, or SMTP.
  *
- * @see \CodeIgniter\Email\EmailTest
+ * @see EmailTest
  */
 class Email
 {
@@ -1087,10 +1087,8 @@ public function wordWrap($str, $charlim = null)
 
     /**
      * Build final headers
-     *
-     * @return void
      */
-    protected function buildHeaders()
+    protected function buildHeaders(): void
     {
         $this->setHeader('User-Agent', $this->userAgent);
         $this->setHeader('X-Sender', $this->cleanEmail($this->headers['From']));
@@ -1102,10 +1100,8 @@ protected function buildHeaders()
 
     /**
      * Write Headers as a string
-     *
-     * @return void
      */
-    protected function writeHeaders()
+    protected function writeHeaders(): void
     {
         if ($this->protocol === 'mail' && isset($this->headers['Subject'])) {
             $this->subject = $this->headers['Subject'];
@@ -1130,10 +1126,8 @@ protected function writeHeaders()
 
     /**
      * Build Final Body and attachments
-     *
-     * @return void
      */
-    protected function buildMessage()
+    protected function buildMessage(): void
     {
         if ($this->wordWrap === true && $this->mailType !== 'html') {
             $this->body = $this->wordWrap($this->body);
@@ -1294,10 +1288,8 @@ protected function attachmentsHaveMultipart($type)
      * @param string      $body      Message body to append to
      * @param string      $boundary  Multipart boundary
      * @param string|null $multipart When provided, only attachments of this type will be processed
-     *
-     * @return void
      */
-    protected function appendAttachments(&$body, $boundary, $multipart = null)
+    protected function appendAttachments(&$body, $boundary, $multipart = null): void
     {
         foreach ($this->attachments as $attachment) {
             if (isset($multipart) && $attachment['multipart'] !== $multipart) {
@@ -1612,10 +1604,8 @@ public function send($autoClear = true)
 
     /**
      * Batch Bcc Send. Sends groups of BCCs in batches
-     *
-     * @return void
      */
-    public function batchBCCSend()
+    public function batchBCCSend(): void
     {
         $float = $this->BCCBatchSize - 1;
         $set   = '';
@@ -1658,10 +1648,8 @@ public function batchBCCSend()
 
     /**
      * Unwrap special elements
-     *
-     * @return void
      */
-    protected function unwrapSpecials()
+    protected function unwrapSpecials(): void
     {
         $this->finalBody = preg_replace_callback(
             '/\{unwrap\}(.*?)\{\/unwrap\}/si',
@@ -1874,10 +1862,8 @@ protected function sendWithSmtp()
 
     /**
      * Shortcut to send RSET or QUIT depending on keep-alive
-     *
-     * @return void
      */
-    protected function SMTPEnd()
+    protected function SMTPEnd(): void
     {
         $this->sendCommand($this->SMTPKeepAlive ? 'reset' : 'quit');
     }
@@ -2022,7 +2008,7 @@ protected function sendCommand($cmd, $data = '')
      */
     protected function SMTPAuthenticate()
     {
-        if (!$this->SMTPAuth) {
+        if (! $this->SMTPAuth) {
             return true;
         }
 
@@ -2060,12 +2046,13 @@ protected function SMTPAuthenticate()
                 $this->sendData(base64_encode($this->SMTPPass));
                 $reply = $this->getSMTPData();
 
-                if (!str_starts_with($reply, '235')) {
+                if (! str_starts_with($reply, '235')) {
                     $this->setErrorMessage(lang('Email.SMTPAuthPassword', [$reply]));
 
                     return false;
                 }
                 break;
+
             case 'PLAIN':
                 // Generate single command for PLAIN authentication
                 $authString = "\0" . $this->SMTPUser . "\0" . $this->SMTPPass;
@@ -2080,6 +2067,7 @@ protected function SMTPAuthenticate()
                 }
 
                 break;
+
             default:
                 $this->setErrorMessage(lang('Email.noSMTPAuthMethod'));
 
@@ -2222,10 +2210,8 @@ private function printDebuggerRaw(): string
 
     /**
      * @param string $msg
-     *
-     * @return void
      */
-    protected function setErrorMessage($msg)
+    protected function setErrorMessage($msg): void
     {
         $this->debugMessage[]    = $msg . '<br>';
         $this->debugMessageRaw[] = $msg;