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Mini Shell
<?php
namespace PhpOffice\PhpSpreadsheet\Cell;
use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Calculation\Information\ExcelError;
use PhpOffice\PhpSpreadsheet\Exception;
/**
* Validate a cell value according to its validation rules.
*/
class DataValidator
{
/**
* Does this cell contain valid value?
*
* @param Cell $cell Cell to check the value
*/
public function isValid(Cell $cell): bool
{
if (!$cell->hasDataValidation() || $cell->getDataValidation()->getType() === DataValidation::TYPE_NONE) {
return true;
}
$cellValue = $cell->getValue();
$dataValidation = $cell->getDataValidation();
if (!$dataValidation->getAllowBlank() && ($cellValue === null || $cellValue === '')) {
return false;
}
$returnValue = false;
$type = $dataValidation->getType();
if ($type === DataValidation::TYPE_LIST) {
$returnValue = $this->isValueInList($cell);
} elseif ($type === DataValidation::TYPE_WHOLE) {
if (!is_numeric($cellValue) || fmod((float) $cellValue, 1) != 0) {
$returnValue = false;
} else {
$returnValue = $this->numericOperator($dataValidation, (int) $cellValue);
}
} elseif ($type === DataValidation::TYPE_DECIMAL || $type === DataValidation::TYPE_DATE || $type === DataValidation::TYPE_TIME) {
if (!is_numeric($cellValue)) {
$returnValue = false;
} else {
$returnValue = $this->numericOperator($dataValidation, (float) $cellValue);
}
} elseif ($type === DataValidation::TYPE_TEXTLENGTH) {
$returnValue = $this->numericOperator($dataValidation, mb_strlen((string) $cellValue));
}
return $returnValue;
}
private function numericOperator(DataValidation $dataValidation, int|float $cellValue): bool
{
$operator = $dataValidation->getOperator();
$formula1 = $dataValidation->getFormula1();
$formula2 = $dataValidation->getFormula2();
$returnValue = false;
if ($operator === DataValidation::OPERATOR_BETWEEN) {
$returnValue = $cellValue >= $formula1 && $cellValue <= $formula2;
} elseif ($operator === DataValidation::OPERATOR_NOTBETWEEN) {
$returnValue = $cellValue < $formula1 || $cellValue > $formula2;
} elseif ($operator === DataValidation::OPERATOR_EQUAL) {
$returnValue = $cellValue == $formula1;
} elseif ($operator === DataValidation::OPERATOR_NOTEQUAL) {
$returnValue = $cellValue != $formula1;
} elseif ($operator === DataValidation::OPERATOR_LESSTHAN) {
$returnValue = $cellValue < $formula1;
} elseif ($operator === DataValidation::OPERATOR_LESSTHANOREQUAL) {
$returnValue = $cellValue <= $formula1;
} elseif ($operator === DataValidation::OPERATOR_GREATERTHAN) {
$returnValue = $cellValue > $formula1;
} elseif ($operator === DataValidation::OPERATOR_GREATERTHANOREQUAL) {
$returnValue = $cellValue >= $formula1;
}
return $returnValue;
}
/**
* Does this cell contain valid value, based on list?
*
* @param Cell $cell Cell to check the value
*/
private function isValueInList(Cell $cell): bool
{
$cellValue = $cell->getValue();
$dataValidation = $cell->getDataValidation();
$formula1 = $dataValidation->getFormula1();
if (!empty($formula1)) {
// inline values list
if ($formula1[0] === '"') {
return in_array(strtolower($cellValue), explode(',', strtolower(trim($formula1, '"'))), true);
} elseif (strpos($formula1, ':') > 0) {
// values list cells
$matchFormula = '=MATCH(' . $cell->getCoordinate() . ', ' . $formula1 . ', 0)';
$calculation = Calculation::getInstance($cell->getWorksheet()->getParent());
try {
$result = $calculation->calculateFormula($matchFormula, $cell->getCoordinate(), $cell);
while (is_array($result)) {
$result = array_pop($result);
}
return $result !== ExcelError::NA();
} catch (Exception) {
return false;
}
}
}
return true;
}
}
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