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38 lines
1.2 KiB
38 lines
1.2 KiB
<?php
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use PhpOffice\PhpSpreadsheet\Spreadsheet;
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require __DIR__ . '/../../Header.php';
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$helper->log('Returns the Internal Rate of Return for a supplied series of periodic cash flows.');
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// Create new PhpSpreadsheet object
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$spreadsheet = new Spreadsheet();
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$worksheet = $spreadsheet->getActiveSheet();
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// Add some data
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$arguments = [
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['Initial Investment', -100.00],
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['Year 1 Income', 20.00],
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['Year 2 Income', 24.00, 'IRR after 3 Years'],
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['Year 3 Income', 28.80],
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['Year 4 Income', 34.56, 'IRR after 5 Years'],
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['Year 5 Income', 41.47],
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];
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// Some basic formatting for the data
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$worksheet->fromArray($arguments, null, 'A1');
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$worksheet->getStyle('B1:B6')->getNumberFormat()->setFormatCode('$#,##0.00;-$#,##0.00');
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// Now the formula
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$worksheet->setCellValue('C4', '=IRR(B1:B4)');
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$worksheet->getStyle('C4')->getNumberFormat()->setFormatCode('0.00%');
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$helper->log($worksheet->getCell('C4')->getValue());
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$helper->log('IRR() Result is ' . $worksheet->getCell('C4')->getFormattedValue());
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$worksheet->setCellValue('C6', '=IRR(B1:B6)');
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$worksheet->getStyle('C6')->getNumberFormat()->setFormatCode('0.00%');
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$helper->log($worksheet->getCell('C6')->getValue());
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$helper->log('IRR() Result is ' . $worksheet->getCell('C6')->getFormattedValue());
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