private function _deletedCount()
    {
        if ($this->_deleted === null) {
            return 0;
        }

        if (extension_loaded('bitset')) {
            return count(bitset_to_array($this->_deleted));
        } else {
            return count($this->_deleted);
        }
    }
private function _deletedCount()
    {
        if ($this->_deleted === null) {
            return 0;
        }

        if (extension_loaded('bitset')) {
            return count(bitset_to_array($this->_deleted));
        } else {
            return count($this->_deleted);
        }
    }
private function _deletedCount ( ) { if ( $ this -> _deleted === null ) { return 0 ; } if ( extension_loaded ( 'bitset' ) ) { return count ( bitset_to_array ( $ this -> _deleted ) ) ; } else { return count ( $ this -> _deleted ) ; } }
Returns number of deleted documents.

@return integer
Returns number of deleted documents .