public function close()
    {
        if ($this->isStreamOpened) {
            $this->closeReader();

            $sheetIterator = $this->getConcreteSheetIterator();
            if ($sheetIterator) {
                $sheetIterator->end();
            }

            $this->isStreamOpened = false;
        }
    }
public function close()
    {
        if ($this->isStreamOpened) {
            $this->closeReader();

            $sheetIterator = $this->getConcreteSheetIterator();
            if ($sheetIterator) {
                $sheetIterator->end();
            }

            $this->isStreamOpened = false;
        }
    }
public function close ( ) { if ( $ this -> isStreamOpened ) { $ this -> closeReader ( ) ; $ sheetIterator = $ this -> getConcreteSheetIterator ( ) ; if ( $ sheetIterator ) { $ sheetIterator -> end ( ) ; } $ this -> isStreamOpened = false ; } }
Closes the reader, preventing any additional reading

@api
@return void
Closes the reader preventing any additional reading