03_Formulas.php
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<?php
use PhpOffice\PhpSpreadsheet\Spreadsheet;
require __DIR__ . '/../Header.php';
// Create new Spreadsheet object
$helper->log('Create new Spreadsheet object');
$spreadsheet = new Spreadsheet();
// Set document properties
$helper->log('Set document properties');
$spreadsheet->getProperties()->setCreator('Maarten Balliauw')
->setLastModifiedBy('Maarten Balliauw')
->setTitle('Office 2007 XLSX Test Document')
->setSubject('Office 2007 XLSX Test Document')
->setDescription('Test document for Office 2007 XLSX, generated using PHP classes.')
->setKeywords('office 2007 openxml php')
->setCategory('Test result file');
// Add some data, we will use some formulas here
$helper->log('Add some data');
$spreadsheet->getActiveSheet()
->setCellValue('A5', 'Sum:');
$spreadsheet->getActiveSheet()->setCellValue('B1', 'Range #1')
->setCellValue('B2', 3)
->setCellValue('B3', 7)
->setCellValue('B4', 13)
->setCellValue('B5', '=SUM(B2:B4)');
$helper->log('Sum of Range #1 is ' . $spreadsheet->getActiveSheet()->getCell('B5')->getCalculatedValue());
$spreadsheet->getActiveSheet()->setCellValue('C1', 'Range #2')
->setCellValue('C2', 5)
->setCellValue('C3', 11)
->setCellValue('C4', 17)
->setCellValue('C5', '=SUM(C2:C4)');
$helper->log('Sum of Range #2 is ' . $spreadsheet->getActiveSheet()->getCell('C5')->getCalculatedValue());
$spreadsheet->getActiveSheet()
->setCellValue('A7', 'Total of both ranges:');
$spreadsheet->getActiveSheet()
->setCellValue('B7', '=SUM(B5:C5)');
$helper->log('Sum of both Ranges is ' . $spreadsheet->getActiveSheet()->getCell('B7')->getCalculatedValue());
$spreadsheet->getActiveSheet()
->setCellValue('A8', 'Minimum of both ranges:');
$spreadsheet->getActiveSheet()
->setCellValue('B8', '=MIN(B2:C4)');
$helper->log('Minimum value in either Range is ' . $spreadsheet->getActiveSheet()->getCell('B8')->getCalculatedValue());
$spreadsheet->getActiveSheet()
->setCellValue('A9', 'Maximum of both ranges:');
$spreadsheet->getActiveSheet()
->setCellValue('B9', '=MAX(B2:C4)');
$helper->log('Maximum value in either Range is ' . $spreadsheet->getActiveSheet()->getCell('B9')->getCalculatedValue());
$spreadsheet->getActiveSheet()
->setCellValue('A10', 'Average of both ranges:');
$spreadsheet->getActiveSheet()
->setCellValue('B10', '=AVERAGE(B2:C4)');
$helper->log('Average value of both Ranges is ' . $spreadsheet->getActiveSheet()->getCell('B10')->getCalculatedValue());
$spreadsheet->getActiveSheet()
->getColumnDimension('A')
->setAutoSize(true);
// Rename worksheet
$helper->log('Rename worksheet');
$spreadsheet->getActiveSheet()
->setTitle('Formulas');
//
// If we set Pre Calculated Formulas to true then PhpSpreadsheet will calculate all formulae in the
// workbook before saving. This adds time and memory overhead, and can cause some problems with formulae
// using functions or features (such as array formulae) that aren't yet supported by the calculation engine
// If the value is false (the default) for the Xlsx Writer, then MS Excel (or the application used to
// open the file) will need to recalculate values itself to guarantee that the correct results are available.
//
//$writer->setPreCalculateFormulas(true);
// Save
$helper->write($spreadsheet, __FILE__);