Check if checkdnsrr() and getmxrr() functions exist before using them

12 years ago · 9ff3459d7b
parent f27c536401
commit 9ff3459d7b
1 changed files with 2 additions and 2 deletions
--- a/program/include/rcube_utils.php
+++ b/program/include/rcube_utils.php
@ -134,12 +134,12 @@ class rcube_utils
            }

            // find MX record(s)
-            if (getmxrr($domain_part, $mx_records)) {
+            if (!function_exists('getmxrr') || getmxrr($domain_part, $mx_records)) {
                return true;
            }

            // find any DNS record
-            if (checkdnsrr($domain_part, 'ANY')) {
+            if (!function_exists('checkdnsrr') || checkdnsrr($domain_part, 'ANY')) {
                return true;
            }
        }