78 lines
2.1 KiB
PHP
78 lines
2.1 KiB
PHP
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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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/**
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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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* @return bool
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*/
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public function isValid(Cell $cell)
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{
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if (!$cell->hasDataValidation()) {
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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 || $cellValue === '')) {
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return false;
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}
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// TODO: write check on all cases
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switch ($dataValidation->getType()) {
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case DataValidation::TYPE_LIST:
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return $this->isValueInList($cell);
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}
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return false;
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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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* @return bool
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*/
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private function isValueInList(Cell $cell)
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{
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$cellValue = $cell->getValue();
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$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 ($formula1[0] === '"') {
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return in_array(strtolower($cellValue), explode(',', strtolower(trim($formula1, '"'))), true);
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} elseif (strpos($formula1, ':') > 0) {
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// values list cells
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$matchFormula = '=MATCH(' . $cell->getCoordinate() . ', ' . $formula1 . ', 0)';
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$calculation = Calculation::getInstance($cell->getWorksheet()->getParent());
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try {
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$result = $calculation->calculateFormula($matchFormula, $cell->getCoordinate(), $cell);
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return $result !== Functions::NA();
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} catch (Exception $ex) {
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return false;
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}
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}
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}
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return true;
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}
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}
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