Yes, you can use Firebase with PHP. Firebase provides a REST API that can be accessed using any programming language that can make HTTP requests. You can use PHP's built-in functions like curl or third-party libraries like Guzzle to interact with the Firebase API.

Here's an example of making a simple GET request to the Firebase Realtime Database using Guzzle:

php
 
 
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use GuzzleHttp\Client;

$client = new Client();
$response = $client->get('https://<your-firebase-app>.firebaseio.com/users.json');

$body = (string)$response->getBody();
$data = json_decode($body, true);

print_r($data);

Replace <your-firebase-app> with your Firebase app name, and /users.json with the path to your data. This example retrieves all the user data stored in the Firebase Realtime Database.