Fix accessing array offset on null in Header.php - closes #4488

freescout-help-desk · Jan 17, 2025 · 9e1b53d · 9e1b53d
1 parent ac43d46
commit 9e1b53d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/overrides/webklex/php-imap/src/Header.php b/overrides/webklex/php-imap/src/Header.php
@@ -249,7 +249,7 @@ protected function parse() {
     public function rfc822_parse_headers($raw_headers) {
         $headers = [];
         $imap_headers = [];
-        if (extension_loaded('imap') && $this->config["rfc822"]) {
+        if (extension_loaded('imap') && isset($this->config) && $this->config["rfc822"]) {
             $raw_imap_headers = (array)\imap_rfc822_parse_headers($raw_headers);
             foreach ($raw_imap_headers as $key => $values) {
                 $key = str_replace("-", "_", $key);