appwrite/docs/examples/0.9.x/server-php/examples/storage/update-file.md

<?php use Appwrite\Client; use Appwrite\Services\Storage; $client = new Client(); $client ->setEndpoint('https://[HOSTNAME_OR_IP]/v1') // Your API Endpoint ->setProject('5df5acd0d48c2') // Your project ID ->setKey('919c2d18fb5d4...a2ae413da83346ad2') // Your secret API key ; $storage = new Storage($client); $result = $storage->updateFile('[FILE_ID]', [], []);