[Laravel] Create a CSV and upload to AWS S3

createCsvAndUploadToAwsS3.php

<?php
        use League\Csv\Writer;
        use League\Csv\Reader;
        use League\Csv\CannotInsertRecord;
        use Illuminate\Support\Facades\Storage;
        
        $now = now()->format('U');
        $fileName = "file-$now.csv";
        $storageInstance = Storage::disk('s3');

        $putFileOnStorage = $storageInstance->put($fileName, '');

        $fileContent = $storageInstance->get($fileName);

        $records = [
            [1, 2, 3],
            ['foo', 'bar', 'baz'],
            ['john', 'doe', '[email protected]'],
        ];

        try {
            $writer = Writer::createFromString($fileContent, 'w');
            $writer->insertAll($records);
        } catch (CannotInsertRecord $e) {
            echo "exception writer";
        }
        
        $csvContent = $writer->getContent();

        $putFileOnStorage = $storageInstance->put($fileName, $csvContent);

        $uploadedFileUrl = $storageInstance->url($fileName);

        echo "<a href=\"$uploadedFileUrl\" target=\"_blank\">Download</a>";