original_string: public function tidy_old_messages() {
          // Grab the new IMAP client.
          if (!$this->get_imap_client()) {
              return false;
          }
  
          // Open the mailbox.
          mtrace("Searching for messages older than 24 hours in the '" .
                  $this->get_confirmation_folder() . "' folder.");
          $this->client->openMailbox($this->get_confirmation_folder());
  
          $mailbox = $this->get_mailbox();
  
          // Build the search.
          $search = new \Horde_Imap_Client_Search_Query();
  
          // Delete messages older than 24 hours old.
          $search->intervalSearch(DAYSECS, \Horde_Imap_Client_Search_Query::INTERVAL_OLDER);
  
          $results = $this->client->search($mailbox, $search);
  
          // Build the base query.
          $query = new \Horde_Imap_Client_Fetch_Query();
          $query->envelope();
  
          // Retrieve the messages and mark them for removal.
          $messages = $this->client->fetch($mailbox, $query, array('ids' => $results['match']));
          mtrace("Found " . $messages->count() . " messages for removal.");
          foreach ($messages as $message) {
              $this->add_flag_to_message($message->getUid(), self::MESSAGE_DELETED);
          }
  
          mtrace("Finished removing messages.");
          $this->close_connection();
  
          return true;
      }
code: public function tidy_old_messages() {
          // Grab the new IMAP client.
          if (!$this->get_imap_client()) {
              return false;
          }
  
          // Open the mailbox.
          mtrace("Searching for messages older than 24 hours in the '" .
                  $this->get_confirmation_folder() . "' folder.");
          $this->client->openMailbox($this->get_confirmation_folder());
  
          $mailbox = $this->get_mailbox();
  
          // Build the search.
          $search = new \Horde_Imap_Client_Search_Query();
  
          // Delete messages older than 24 hours old.
          $search->intervalSearch(DAYSECS, \Horde_Imap_Client_Search_Query::INTERVAL_OLDER);
  
          $results = $this->client->search($mailbox, $search);
  
          // Build the base query.
          $query = new \Horde_Imap_Client_Fetch_Query();
          $query->envelope();
  
          // Retrieve the messages and mark them for removal.
          $messages = $this->client->fetch($mailbox, $query, array('ids' => $results['match']));
          mtrace("Found " . $messages->count() . " messages for removal.");
          foreach ($messages as $message) {
              $this->add_flag_to_message($message->getUid(), self::MESSAGE_DELETED);
          }
  
          mtrace("Finished removing messages.");
          $this->close_connection();
  
          return true;
      }
code_tokens: public function tidy_old_messages ( ) { // Grab the new IMAP client. if ( ! $ this -> get_imap_client ( ) ) { return false ; } // Open the mailbox. mtrace ( "Searching for messages older than 24 hours in the '" . $ this -> get_confirmation_folder ( ) . "' folder." ) ; $ this -> client -> openMailbox ( $ this -> get_confirmation_folder ( ) ) ; $ mailbox = $ this -> get_mailbox ( ) ; // Build the search. $ search = new \ Horde_Imap_Client_Search_Query ( ) ; // Delete messages older than 24 hours old. $ search -> intervalSearch ( DAYSECS , \ Horde_Imap_Client_Search_Query :: INTERVAL_OLDER ) ; $ results = $ this -> client -> search ( $ mailbox , $ search ) ; // Build the base query. $ query = new \ Horde_Imap_Client_Fetch_Query ( ) ; $ query -> envelope ( ) ; // Retrieve the messages and mark them for removal. $ messages = $ this -> client -> fetch ( $ mailbox , $ query , array ( 'ids' => $ results [ 'match' ] ) ) ; mtrace ( "Found " . $ messages -> count ( ) . " messages for removal." ) ; foreach ( $ messages as $ message ) { $ this -> add_flag_to_message ( $ message -> getUid ( ) , self :: MESSAGE_DELETED ) ; } mtrace ( "Finished removing messages." ) ; $ this -> close_connection ( ) ; return true ; }
docstring: Tidy up old messages in the confirmation folder.
  
  @return bool Whether tidying occurred successfully.
docstring_tokens: Tidy up old messages in the confirmation folder .