Minor, use preg_replace_callback() in PHPMailerLite. See D2147.

Auditors: btrahan, vrana, 20after4

Author: epriestley

externals/phpmailer/class.phpmailer-lite.php

@@ -1512,15 +1512,15 @@ public function EncodeQ ($str, $position = 'text') {
           $encoded);
         break;
       case 'comment':
-        $encoded = preg_replace(
+        $encoded = preg_replace_callback(
           "/([\(\)\"])/",
           array($this, 'encodeQCallback'),
           $encoded);
         break;
       case 'text':
       default:
         // Replace every high ascii, control =, ? and _ characters
-        $encoded = preg_replace(
+        $encoded = preg_replace_callback(
           '/([\000-\011\013\014\016-\037\075\077\137\177-\377])/',
           array($this, 'encodeQCallback'),
           $encoded);