What are the implications of using deprecated libraries like PHPExcel in PHP 7.3?

Using deprecated libraries like PHPExcel in PHP 7.3 can lead to compatibility issues, security vulnerabilities, and performance issues. It is recommended to migrate to a supported library like PhpSpreadsheet, which is the successor to PHPExcel and is actively maintained. This will ensure that your code remains secure, efficient, and compatible with the latest PHP versions. 

// Replace PHPExcel with PhpSpreadsheet
require 'vendor/autoload.php';

use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

$spreadsheet = new Spreadsheet();
$sheet = $spreadsheet->getActiveSheet();
$sheet->setCellValue('A1', 'Hello World!');

$writer = new Xlsx($spreadsheet);
$writer->save('hello_world.xlsx');

Keywords

PHPExcel deprecated PHP 7.3 compatibility migration

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