[5.0] MailTemplate: Prevent notice in replaceTags (joomla#41679)

* MailTemplate: Prevent notice in replaceTags * Update libraries/src/Mail/MailTemplate.php Co-authored-by: Quy <[email protected]> * Update MailTemplate.php --------- Co-authored-by: Quy <[email protected]>
Digital-Peak · Oct 17, 2023 · 291b995 · 291b995
1 parent 2e2d920
commit 291b995
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/libraries/src/Mail/MailTemplate.php b/libraries/src/Mail/MailTemplate.php
@@ -325,6 +325,11 @@ public function send()
     protected function replaceTags($text, $tags)
     {
         foreach ($tags as $key => $value) {
+            // If the value is NULL, replace with an empty string. NULL itself throws notices
+            if (\is_null($value)) {
+                $value = '';
+            }
+
             if (\is_array($value)) {
                 $matches = [];
                 $pregKey = preg_quote(strtoupper($key), '/');