Add support for callable strings/arrays when defining Guzzle Middlewares

This ensures that the Firebase config can be cached.

Author: jeromegamez

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## Unreleased
 
+* Added support for callable strings/arrays when defining Guzzle Middlewares. This ensures that the Firebase config
+  can be cached.
+  ([#247](https://github.com/kreait/laravel-firebase/pull/247))
+
 ## 6.0.0 - 2025-02-24
 
 * Added support for Laravel 12

composer.json

@@ -12,7 +12,7 @@
     ],
     "require": {
         "php": "~8.2.0 || ~8.3.0 || ~8.4.0",
-        "kreait/firebase-php": "^7.13",
+        "kreait/firebase-php": "^7.19",
         "illuminate/contracts": "^11.0 || ^12.0",
         "illuminate/notifications": "^11.0 || ^12.0",
         "illuminate/support": "^11.0 || ^12.0",

config/firebase.php

@@ -214,7 +214,10 @@
 
                 'timeout' => env('FIREBASE_HTTP_CLIENT_TIMEOUT'),
 
-                'guzzle_middlewares' => [],
+                'guzzle_middlewares' => [
+                    // MyInvokableMiddleware::class,
+                    // [MyMiddleware::class, 'static_method'],
+                ],
             ],
         ],
     ],