PHP 8.4 support

[kampalex]

After upgrading to PHP 8.4.1 some deprecations appear:

Implicitly marking parameter [...] as nullable is deprecated, the explicit nullable type must be used (info)
Failing scenarios: (type) (name) = null
Fix for PHP ^8.0: (type)|null (name) = null
Fix for PHP ^7.1: ?(type) (name) = null
Older PHP versions: remove the (type)

Constant Bugsnag\E_STRICT is deprecated (info)
It seems like the E_STRICT constant is now assumed to be in Bugsnag namespace.

Error disappears when adding next lines of code in src/ErrorTypes.php (but it's a dirty fix):

if (!defined('E_STRICT')) {
    define('E_STRICT', 2048);
}

I didn't discover other scenarios yet. If so, I will extend this issue.

[danepowell]

Took a crack at this: #671

[mclack]

Hi @kampalex

Thanks for raising this.

As mentioned on the linked PR:

We are currently investigating and discussing support for PHP 8.4 internally, which includes evaluating this PR.

We'll make sure to post any updates here as they become available.

[hannah-smartbear]

Hi @kampalex,

Just wanted to let you know that we have now released support for PHP 8.4 in v3.29.2 of bugsnag-php.