original_string: 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);
          }
      }
code: 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);
          }
      }
code_tokens: 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 ) ; } }
docstring: Returns number of deleted documents.
  
  @return integer
docstring_tokens: Returns number of deleted documents .