original_string: public function count()
      {
          if (!$this->_started) {
              $this->rewind();
          }
  
          while ($this->valid()) {
              $this->next();
          }
  
          return $this->_buffer->count();
      }
code: public function count()
      {
          if (!$this->_started) {
              $this->rewind();
          }
  
          while ($this->valid()) {
              $this->next();
          }
  
          return $this->_buffer->count();
      }
code_tokens: public function count ( ) { if ( ! $ this -> _started ) { $ this -> rewind ( ) ; } while ( $ this -> valid ( ) ) { $ this -> next ( ) ; } return $ this -> _buffer -> count ( ) ; }
docstring: Returns the number or items in this collection
  
  @return int
docstring_tokens: Returns the number or items in this collection