CS fixes

CHANGELOG

@@ -16,6 +16,7 @@ CHANGELOG Roundcube Webmail
 - newmail_notifier: Refactor desktop notifications
 - Fix so contactlist_fields option can be set via config file
 - Fix so SPECIAL-USE assignments are forced only until user sets special folders (#4782)
+- Fix performance in reverting order of THREAD result
 
 RELEASE 1.1.4
 -------------

program/lib/Roundcube/rcube_result_index.php

@@ -259,7 +259,6 @@ class rcube_result_index
             return;
         }
 
-        // @TODO: maybe do this in chunks
         $data = $this->get();
         $data = array_reverse($data);
         $this->raw_data = implode(self::SEPARATOR_ELEMENT, $data);

program/lib/Roundcube/rcube_result_thread.php

@@ -252,8 +252,9 @@ class rcube_result_thread
             return;
         }
 
-        $raw_data_reverse = implode(self::SEPARATOR_ELEMENT, array_reverse(explode(self::SEPARATOR_ELEMENT, $this->raw_data)));
-        $this->raw_data = $raw_data_reverse;
+        $data = explode(self::SEPARATOR_ELEMENT, $this->raw_data);
+        $data = array_reverse($data);
+        $this->raw_data = implode(self::SEPARATOR_ELEMENT, $data);
 
         $this->meta['pos'] = array();
     }