Updates for PHP 8.4 compatibility

[ReadyCloudSuite]

• Fixed FutureProxy::__construct(): Implicitly marking parameter $proxied as nullable is deprecated, the explicit nullable type must be used instead.
• Fixed Implicitly marking parameter $proxied as nullable is deprecated, the explicit nullable type must be used instead.
• Fixed Passing null to parameter #1 ($status) of type string|int is deprecated.

[gregtatum]

Thanks, I applied this patch and arcanist is working again. I also had to turn off deprecation warnings to be able to parse the JSON output.

diff --git a/bin/arc b/bin/arc
index 51528ca0..696f8191 100755
--- a/bin/arc
+++ b/bin/arc
@@ -1,5 +1,6 @@
 #!/usr/bin/env php
 <?php
+error_reporting(E_ALL ^ E_DEPRECATED);
 
 if (function_exists('pcntl_async_signals')) {
   pcntl_async_signals(true);

[semsudin]

Please can somebody merge this to master.

[dushaoshuai]

Please can somebody merge this to master.

[ez4bk]

Please can somebody merge this to master.

[cheack]

@semsudin @dushaoshuai @ez4bk Phabricator is officially dead. You guys should try https://github.com/phorgeit/arcanist instead.

[gregtatum]

Lol, I downgraded php as a short term mitigation. 8.4 is officially broken in this repo.

brew install [email protected]
brew link --overwrite --force [email protected]
php --version
PHP 8.3.25 (cli) (built: Aug 26 2025 15:05:30) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.3.25, Copyright (c) Zend Technologies
    with Zend OPcache v8.3.25, Copyright (c), by Zend Technologies

8.3 is still supported... for now. https://www.php.net/supported-versions.php