PHP Deprecated Warning: Implicitly nullable $previous in OAuth2Exception #58
Description
PHP deprecated warnings when using facile-it/php-openid-client with a recent version of PHP 8.4. The warnings are related to implicitly nullable parameters in the OAuth2Exception class.
[06-Aug-2025 04:02:40 UTC] PHP Deprecated: Facile\OpenIDClient\Exception\OAuth2Exception::fromResponse(): Implicitly marking parameter $previous as nullable is deprecated, the explicit nullable type must be used instead in /www/vendor/facile-it/php-openid-client/src/Exception/OAuth2Exception.php on line 48
[06-Aug-2025 04:02:40 UTC] PHP Deprecated: Facile\OpenIDClient\Exception\OAuth2Exception::fromParameters(): Implicitly marking parameter $previous as nullable is deprecated, the explicit nullable type must be used instead in /www/vendor/facile-it/php-openid-client/src/Exception/OAuth2Exception.php on line 69
[06-Aug-2025 04:02:40 UTC] PHP Deprecated: Facile\OpenIDClient\Exception\OAuth2Exception::__construct(): Implicitly marking parameter $previous as nullable is deprecated, the explicit nullable type must be used instead in /www/vendor/facile-it/php-openid-client/src/Exception/OAuth2Exception.php on line 84