original_string: protected function _initCache($current = false)
      {
          $c = $this->getParam('cache');
  
          if (empty($c['fields'])) {
              return false;
          }
  
          if (is_null($this->_cache)) {
              if (isset($c['backend'])) {
                  $backend = $c['backend'];
              } elseif (isset($c['cacheob'])) {
                  /* Deprecated */
                  $backend = new Horde_Imap_Client_Cache_Backend_Cache($c);
              } else {
                  return false;
              }
  
              $this->_cache = new Horde_Imap_Client_Cache(array(
                  'backend' => $backend,
                  'baseob' => $this,
                  'debug' => $this->_debug
              ));
          }
  
          return $current
              /* If UIDs are labeled as not sticky, don't cache since UIDs will
               * change on every access. */
              ? !($this->_mailboxOb()->getStatus(Horde_Imap_Client::STATUS_UIDNOTSTICKY))
              : true;
      }
code: protected function _initCache($current = false)
      {
          $c = $this->getParam('cache');
  
          if (empty($c['fields'])) {
              return false;
          }
  
          if (is_null($this->_cache)) {
              if (isset($c['backend'])) {
                  $backend = $c['backend'];
              } elseif (isset($c['cacheob'])) {
                  /* Deprecated */
                  $backend = new Horde_Imap_Client_Cache_Backend_Cache($c);
              } else {
                  return false;
              }
  
              $this->_cache = new Horde_Imap_Client_Cache(array(
                  'backend' => $backend,
                  'baseob' => $this,
                  'debug' => $this->_debug
              ));
          }
  
          return $current
              /* If UIDs are labeled as not sticky, don't cache since UIDs will
               * change on every access. */
              ? !($this->_mailboxOb()->getStatus(Horde_Imap_Client::STATUS_UIDNOTSTICKY))
              : true;
      }
code_tokens: protected function _initCache ( $ current = false ) { $ c = $ this -> getParam ( 'cache' ) ; if ( empty ( $ c [ 'fields' ] ) ) { return false ; } if ( is_null ( $ this -> _cache ) ) { if ( isset ( $ c [ 'backend' ] ) ) { $ backend = $ c [ 'backend' ] ; } elseif ( isset ( $ c [ 'cacheob' ] ) ) { /* Deprecated */ $ backend = new Horde_Imap_Client_Cache_Backend_Cache ( $ c ) ; } else { return false ; } $ this -> _cache = new Horde_Imap_Client_Cache ( array ( 'backend' => $ backend , 'baseob' => $ this , 'debug' => $ this -> _debug ) ) ; } return $ current /* If UIDs are labeled as not sticky, don't cache since UIDs will
               * change on every access. */ ? ! ( $ this -> _mailboxOb ( ) -> getStatus ( Horde_Imap_Client :: STATUS_UIDNOTSTICKY ) ) : true ; }
docstring: Initialize the Horde_Imap_Client_Cache object, if necessary.
  
  @param boolean $current  If true, we are going to update the currently
  selected mailbox. Add an additional check to
  see if caching is available in current
  mailbox.
  
  @return boolean  Returns true if caching is enabled.
docstring_tokens: Initialize the Horde_Imap_Client_Cache object if necessary .