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<?php |
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namespace PhpOffice\PhpSpreadsheet\Cell; |
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use PhpOffice\PhpSpreadsheet\Calculation\Calculation; |
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use PhpOffice\PhpSpreadsheet\Calculation\Functions; |
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use PhpOffice\PhpSpreadsheet\Exception; |
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use PhpOffice\PhpSpreadsheet\Shared\StringHelper; |
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/** |
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* Validate a cell value according to its validation rules. |
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*/ |
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class DataValidator |
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{ |
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/** |
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* Does this cell contain valid value? |
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* |
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* @param Cell $cell Cell to check the value |
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*/ |
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public function isValid(Cell $cell): bool |
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{ |
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if (!$cell->hasDataValidation() || $cell->getDataValidation()->getType() === DataValidation::TYPE_NONE) { |
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return true; |
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} |
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$cellValue = $cell->getValue(); |
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$dataValidation = $cell->getDataValidation(); |
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if (!$dataValidation->getAllowBlank() && ($cellValue === null || $cellValue === '')) { |
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return false; |
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} |
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$returnValue = false; |
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$type = $dataValidation->getType(); |
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if ($type === DataValidation::TYPE_LIST) { |
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$returnValue = $this->isValueInList($cell); |
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} elseif ($type === DataValidation::TYPE_WHOLE) { |
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if (!is_numeric($cellValue) || fmod((float) $cellValue, 1) != 0) { |
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$returnValue = false; |
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} else { |
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$returnValue = $this->numericOperator($dataValidation, (int) $cellValue, $cell); |
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} |
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} elseif ($type === DataValidation::TYPE_DECIMAL || $type === DataValidation::TYPE_DATE || $type === DataValidation::TYPE_TIME) { |
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if (!is_numeric($cellValue)) { |
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$returnValue = false; |
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} else { |
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$returnValue = $this->numericOperator($dataValidation, (float) $cellValue, $cell); |
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} |
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} elseif ($type === DataValidation::TYPE_TEXTLENGTH) { |
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$returnValue = $this->numericOperator($dataValidation, mb_strlen($cell->getValueString()), $cell); |
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} |
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return $returnValue; |
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} |
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private const TWO_FORMULAS = [DataValidation::OPERATOR_BETWEEN, DataValidation::OPERATOR_NOTBETWEEN]; |
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private static function evaluateNumericFormula(mixed $formula, Cell $cell): mixed |
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{ |
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if (!is_numeric($formula)) { |
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$calculation = Calculation::getInstance($cell->getWorksheet()->getParent()); |
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try { |
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$formula2 = StringHelper::convertToString($formula); |
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$result = $calculation |
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->calculateFormula("=$formula2", $cell->getCoordinate(), $cell); |
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while (is_array($result)) { |
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$result = array_pop($result); |
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} |
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$formula = $result; |
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} catch (Exception) { |
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// do nothing |
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} |
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} |
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return $formula; |
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} |
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private function numericOperator(DataValidation $dataValidation, int|float $cellValue, Cell $cell): bool |
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{ |
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$operator = $dataValidation->getOperator(); |
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$formula1 = self::evaluateNumericFormula( |
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$dataValidation->getFormula1(), |
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$cell |
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); |
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$formula2 = 0; |
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if (in_array($operator, self::TWO_FORMULAS, true)) { |
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$formula2 = self::evaluateNumericFormula( |
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$dataValidation->getFormula2(), |
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$cell |
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); |
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} |
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return match ($operator) { |
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DataValidation::OPERATOR_BETWEEN => $cellValue >= $formula1 && $cellValue <= $formula2, |
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DataValidation::OPERATOR_NOTBETWEEN => $cellValue < $formula1 || $cellValue > $formula2, |
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DataValidation::OPERATOR_EQUAL => $cellValue == $formula1, |
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DataValidation::OPERATOR_NOTEQUAL => $cellValue != $formula1, |
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DataValidation::OPERATOR_LESSTHAN => $cellValue < $formula1, |
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DataValidation::OPERATOR_LESSTHANOREQUAL => $cellValue <= $formula1, |
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DataValidation::OPERATOR_GREATERTHAN => $cellValue > $formula1, |
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DataValidation::OPERATOR_GREATERTHANOREQUAL => $cellValue >= $formula1, |
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default => false, |
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}; |
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} |
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/** |
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* Does this cell contain valid value, based on list? |
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* |
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* @param Cell $cell Cell to check the value |
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*/ |
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private function isValueInList(Cell $cell): bool |
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{ |
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$cellValueString = $cell->getValueString(); |
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$dataValidation = $cell->getDataValidation(); |
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$formula1 = $dataValidation->getFormula1(); |
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if (!empty($formula1)) { |
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// inline values list |
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if ($formula1[0] === '"') { |
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return in_array(strtolower($cellValueString), explode(',', strtolower(trim($formula1, '"'))), true); |
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} |
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$calculation = Calculation::getInstance($cell->getWorksheet()->getParent()); |
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try { |
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$result = $calculation->calculateFormula("=$formula1", $cell->getCoordinate(), $cell); |
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$result = is_array($result) ? Functions::flattenArray($result) : [$result]; |
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foreach ($result as $oneResult) { |
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if (is_scalar($oneResult) && strcasecmp((string) $oneResult, $cellValueString) === 0) { |
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return true; |
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} |
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} |
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} catch (Exception) { |
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// do nothing |
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} |
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return false; |
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} |
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return true; |
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} |
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} |
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PHPOffice /
PhpSpreadsheet
