generating x amount of rows

csv_generation.php

Route::get('/sample-csv-generation/{numberOfRows}', function (Request $request, $numberOfRows) {
    $faker = Faker\Factory::create();
    $numberOfRows = (int) $numberOfRows;

    // Define the headers for the CSV file
    $headers = [
        'Content-Type' => 'text/csv',
        'Content-Disposition' => 'attachment; filename="filename.csv"',
    ];

    // Create a response using the stream method
    return response()->stream(function () use ($faker, $numberOfRows) {
        ob_end_clean();

        $output = fopen('php://output', 'w');

        // Write the CSV header
        fputcsv($output, [
            'Col 1 name', 'Col 2 name', 'col 3 name',
        ]);

        // Generate and write the CSV rows
        foreach (range(1, $numberOfRows) as $i) {
            $row = [
                // col 1 value,
                // col 2 value,
                // col 3 value,
            ];

            fputcsv($output, $row);
        }

        fclose($output);
    }, 200, $headers);
});