public function disconnectWorksheets()
    {
        $worksheet = null;
        foreach ($this->workSheetCollection as $k => &$worksheet) {
            $worksheet->disconnectCells();
            $this->workSheetCollection[$k] = null;
        }
        unset($worksheet);
        $this->workSheetCollection = [];
    }
public function disconnectWorksheets()
    {
        $worksheet = null;
        foreach ($this->workSheetCollection as $k => &$worksheet) {
            $worksheet->disconnectCells();
            $this->workSheetCollection[$k] = null;
        }
        unset($worksheet);
        $this->workSheetCollection = [];
    }
public function disconnectWorksheets ( ) { $ worksheet = null ; foreach ( $ this -> workSheetCollection as $ k => & $ worksheet ) { $ worksheet -> disconnectCells ( ) ; $ this -> workSheetCollection [ $ k ] = null ; } unset ( $ worksheet ) ; $ this -> workSheetCollection = [ ] ; }
Disconnect all worksheets from this PhpSpreadsheet workbook object,
typically so that the PhpSpreadsheet object can be unset.
Disconnect all worksheets from this PhpSpreadsheet workbook object typically so that the PhpSpreadsheet object can be unset .