original_string: public function close()
      {
          if ($this->isStreamOpened) {
              $this->closeReader();
  
              $sheetIterator = $this->getConcreteSheetIterator();
              if ($sheetIterator) {
                  $sheetIterator->end();
              }
  
              $this->isStreamOpened = false;
          }
      }
code: public function close()
      {
          if ($this->isStreamOpened) {
              $this->closeReader();
  
              $sheetIterator = $this->getConcreteSheetIterator();
              if ($sheetIterator) {
                  $sheetIterator->end();
              }
  
              $this->isStreamOpened = false;
          }
      }
code_tokens: public function close ( ) { if ( $ this -> isStreamOpened ) { $ this -> closeReader ( ) ; $ sheetIterator = $ this -> getConcreteSheetIterator ( ) ; if ( $ sheetIterator ) { $ sheetIterator -> end ( ) ; } $ this -> isStreamOpened = false ; } }
docstring: Closes the reader, preventing any additional reading
  
  @api
  @return void
docstring_tokens: Closes the reader preventing any additional reading