DataGenerator.php

<?php

class Generator {
    public function generateJsonFile(array $data): void;
    {
        $content = json_encode($data); 

        header(‘Content-Type: application/json`);
        header(‘Content-Disposition: attachment; filename="data.json”`);
        ob_start();
        echo $content;
        ob_end_flush();
        exit;
    }

    public function generateCsvFile(array $data): void
    {
        $stream = fopen(‘php://memory’);
        
        foreach ($data as $line) {
            fputcsv($stream, $data, ‘;’);
        }
        
        $content = ‘’;
        while (false === feof($stream)) {
            $content .= fread($stream, 1024);
        }
        fclose($stream);

        header(‘Content-Type: text/csv`);
        header(‘Content-Disposition: attachment; filename="data.csv”`);
        ob_start();
        echo $content;
        ob_end_flush();
        exit;
    }
}