X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FObject%2FEmail.php;h=f6a72985231af6b58c42518f5664a5069fc1edc4;hb=1a21f19f42619bd847c28790a266da6f31be8335;hp=9f78763127c288704e156cd527b7196961568a33;hpb=722aada460aa023212b7d97932fe338fe54861a8;p=friendica.git

diff --git a/src/Object/Email.php b/src/Object/Email.php
index 9f78763127..f6a7298523 100644
--- a/src/Object/Email.php
+++ b/src/Object/Email.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2023, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -110,12 +110,12 @@ class Email implements IEmail
 	/**
 	 * {@inheritDoc}
 	 */
-	public function getMessage(bool $plain = false)
+	public function getMessage(bool $plain = false): string
 	{
 		if ($plain) {
 			return $this->msgText;
 		} else {
-			return $this->msgHtml;
+			return $this->msgHtml ?? '';
 		}
 	}
 
@@ -135,14 +135,15 @@ class Email implements IEmail
 		$headerString = '';
 
 		foreach ($this->additionalMailHeader as $name => $values) {
-			if (is_array($values)) {
-				foreach ($values as $value) {
-					$headerString .= $name . ': ' . $value . '\n';
-				}
-			} else {
-				$headerString .= $name . ': ' . $values . '\n';
+			if (!is_array($values)) {
+				$values = [$values];
+			}
+
+			foreach ($values as $value) {
+				$headerString .= "$name: $value\r\n";
 			}
 		}
+
 		return $headerString;
 	}
 
@@ -199,6 +200,7 @@ class Email implements IEmail
 	/**
 	 * @inheritDoc
 	 */
+	#[\ReturnTypeWillChange]
 	public function jsonSerialize()
 	{
 		return $this->toArray();