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How can I create excel sheet column headers from array using phpspreadsheet library?
Below is the code I am trying but it's not working:
// $header is an array containing column headers
$header = array("Customer Number", "Customer Name", "Address", "City", "State", "Zip");
$spreadsheet = new Spreadsheet();
$sheet = $spreadsheet->getActiveSheet();
$sheet->fromArray($header, NULL, 'A1');
// redirect output to client browser
header('Content-Type: application/vnd.ms-excel');
header('Content-Disposition: attachment;filename="myfile.xlsx"');
header('Cache-Control: max-age=0');
$writer = new Xlsx($spreadsheet);
$writer->save('php://output');
999
You may use the following code: header('Content-Type: application/vnd. ms-excel'); header('Content-Disposition: attachment;filename="file. xlsx"'); header('Cache-Control: max-age=0'); $writer->save('php://output');
COMMAND-LINE DOWNLOAD Once you have installed Composer: Open the command line (or terminal). Navigate to your project folder and run composer require phpoffice/phpspreadsheet . Composer will automatically download all the required files into the vendor/ folder.
To retrieve the value of a cell, the cell should first be retrieved from the worksheet using the getCell() method. A cell's value can be read again using the following line of code: $objPHPExcel->getActiveSheet()->getCell('B8')->getValue();
Read Excel File First, import the needed library and load the Reader of XLSX. Read the excel file using the load() function. Here test. xlsx is the file name.
You need to write
$sheet->fromArray([$header], NULL, 'A1');
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