Warning: Unsupported declare 'strict_types' in D:\xampp\htdocs\masterweb_android_api\vendor\kreait\firebase-php\src\Firebase\Auth\SignInAnonymously.php on line 3

Parse error: syntax error, unexpected 'new' (T_NEW), expecting identifier (T_STRING) in D:\xampp\htdocs\masterweb_android_api\vendor\kreait\firebase-php\src\Firebase\Auth\SignInAnonymously.php on line 13