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<?php |
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|
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use PhpOffice\PhpSpreadsheet\Spreadsheet; |
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|
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require __DIR__ . '/../../Header.php'; |
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$helper->log('Calculates the standard deviation based on the entire population of selected database entries.'); |
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|
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// Create new PhpSpreadsheet object |
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$spreadsheet = new Spreadsheet(); |
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$worksheet = $spreadsheet->getActiveSheet(); |
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|
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// Add some data |
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$database = [['Tree', 'Height', 'Age', 'Yield', 'Profit'], |
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['Apple', 18, 20, 14, 105.00], |
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['Pear', 12, 12, 10, 96.00], |
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['Cherry', 13, 14, 9, 105.00], |
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['Apple', 14, 15, 10, 75.00], |
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['Pear', 9, 8, 8, 76.80], |
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['Apple', 8, 9, 6, 45.00], |
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]; |
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$criteria = [['Tree', 'Height', 'Age', 'Yield', 'Profit', 'Height'], |
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['="=Apple"', '>10', null, null, null, '<16'], |
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['="=Pear"', null, null, null, null, null], |
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]; |
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|
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$worksheet->fromArray($criteria, null, 'A1'); |
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$worksheet->fromArray($database, null, 'A4'); |
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|
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$worksheet->setCellValue('A12', 'The standard deviation in the yield of Apple and Pear trees'); |
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$worksheet->setCellValue('B12', '=DSTDEVP(A4:E10,"Yield",A1:A3)'); |
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|
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$worksheet->setCellValue('A13', 'The standard deviation in height of Apple and Pear trees'); |
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$worksheet->setCellValue('B13', '=DSTDEVP(A4:E10,2,A1:A3)'); |
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|
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$helper->log('Database'); |
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|
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$databaseData = $worksheet->rangeToArray('A4:E10', null, true, true, true); |
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var_dump($databaseData); |
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|
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// Test the formulae |
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$helper->log('Criteria'); |
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|
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$criteriaData = $worksheet->rangeToArray('A1:A3', null, true, true, true); |
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var_dump($criteriaData); |
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|
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$helper->log($worksheet->getCell('A12')->getValue()); |
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$helper->log('DSTDEVP() Result is ' . $worksheet->getCell('B12')->getCalculatedValue()); |
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|
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$helper->log('Criteria'); |
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|
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$criteriaData = $worksheet->rangeToArray('A1:A3', null, true, true, true); |
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var_dump($criteriaData); |
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|
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$helper->log($worksheet->getCell('A13')->getValue()); |
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$helper->log('DSTDEVP() Result is ' . $worksheet->getCell('B13')->getCalculatedValue()); |
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