diff --git a/phpdotnet/phd/Highlighter.php b/phpdotnet/phd/Highlighter.php
index 33d190c5..b32a3711 100644
--- a/phpdotnet/phd/Highlighter.php
+++ b/phpdotnet/phd/Highlighter.php
@@ -63,7 +63,10 @@ public function highlight($text, $role, $format)
 
         if ($role == 'php') {
             try {
-                return str_replace(' ', ' ', highlight_string($text, 1));
+                return strtr(highlight_string($text, 1), [
+                    ' ' => ' ',
+                    "\n" => '',
+                ]);
             } catch (\ParseException $e) {
                 v("Parse error while highlighting PHP code: %s\nText: %s", (string) $e, $text, E_USER_WARNING);