firebase fix

config.php

@@ -34,6 +34,17 @@ function load_env() {
 // Automatically load on include
 load_env();
 
+function get_firebase_config(): array {
+    return [
+        'apiKey'            => getenv('FIREBASE_API_KEY') ?: '',
+        'authDomain'        => getenv('FIREBASE_AUTH_DOMAIN') ?: '',
+        'projectId'         => getenv('FIREBASE_PROJECT_ID') ?: '',
+        'storageBucket'     => getenv('FIREBASE_STORAGE_BUCKET') ?: '',
+        'messagingSenderId' => getenv('FIREBASE_MESSAGING_SENDER_ID') ?: '',
+        'appId'             => getenv('FIREBASE_APP_ID') ?: '',
+    ];
+}
+
 /**
  * Get a PDO connection to the database.
  */