Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Cell/Cell.php
public function hasDataValidation()
    {
        if (!isset($this->parent)) {
            throw new Exception('Cannot check for data validation when cell is not bound to a worksheet');
        }

        return $this->getWorksheet()->dataValidationExists($this->getCoordinate());
    }
public function hasDataValidation()
    {
        if (!isset($this->parent)) {
            throw new Exception('Cannot check for data validation when cell is not bound to a worksheet');
        }

        return $this->getWorksheet()->dataValidationExists($this->getCoordinate());
    }
Does this cell contain Data validation rules?

@throws Exception

@return bool