PHP

Install

composer require aws/aws-sdk-php vlucas/phpdotenv

Environment

S3_ENDPOINT=https://storage.example.local
S3_ACCESS_KEY=your-access-key
S3_SECRET_KEY=your-secret-key
S3_REGION=us-east-1
S3_BUCKET=my-bucket
S3_USE_PATH_STYLE_ENDPOINT=true

Client

<?php

require __DIR__ . "/vendor/autoload.php";

use Aws\S3\S3Client;
use Dotenv\Dotenv;

$dotenv = Dotenv::createImmutable(__DIR__);
$dotenv->safeLoad();

$s3 = new S3Client([
    "version" => "latest",
    "region" => $_ENV["S3_REGION"] ?? "us-east-1",
    "endpoint" => $_ENV["S3_ENDPOINT"],
    "use_path_style_endpoint" => ($_ENV["S3_USE_PATH_STYLE_ENDPOINT"] ?? "true") !== "false",
    "credentials" => [
        "key" => $_ENV["S3_ACCESS_KEY"],
        "secret" => $_ENV["S3_SECRET_KEY"],
    ],
]);

$bucket = $_ENV["S3_BUCKET"];

Upload Object

<?php

require __DIR__ . "/s3.php";

try {
    $s3->putObject([
        "Bucket" => $bucket,
        "Key" => "reports/monthly.pdf",
        "SourceFile" => __DIR__ . "/monthly.pdf",
        "ContentType" => "application/pdf",
    ]);

    echo "Uploaded reports/monthly.pdf\n";
} catch (Throwable $e) {
    fwrite(STDERR, "Upload failed: {$e->getMessage()}\n");
}

Download Object

<?php

require __DIR__ . "/s3.php";

try {
    $s3->getObject([
        "Bucket" => $bucket,
        "Key" => "reports/monthly.pdf",
        "SaveAs" => __DIR__ . "/downloaded-monthly.pdf",
    ]);
} catch (Throwable $e) {
    fwrite(STDERR, "Download failed: {$e->getMessage()}\n");
}

List Objects

<?php

require __DIR__ . "/s3.php";

$result = $s3->listObjectsV2([
    "Bucket" => $bucket,
    "Prefix" => "reports/",
]);

foreach ($result["Contents"] ?? [] as $object) {
    echo $object["Key"] . " " . $object["Size"] . PHP_EOL;
}

Delete Object

<?php

require __DIR__ . "/s3.php";

$s3->deleteObject([
    "Bucket" => $bucket,
    "Key" => "reports/monthly.pdf",
]);

Presigned URL

<?php

require __DIR__ . "/s3.php";

$command = $s3->getCommand("GetObject", [
    "Bucket" => $bucket,
    "Key" => "reports/monthly.pdf",
]);

$request = $s3->createPresignedRequest($command, "+15 minutes");

echo (string) $request->getUri() . PHP_EOL;

Note: Test SDK-generated presigned URLs with your deployment. The Quat customer app confirms backend-generated download links for console downloads.