Re: Categorising engine bugs caused by nonsensical/malicious callback handlers as Undefined Behaviour and to not fix them

From: Date: Tue, 08 Sep 2026 13:30:33 +0000
Subject: Re: Categorising engine bugs caused by nonsensical/malicious callback handlers as Undefined Behaviour and to not fix them
References: 1 2  Groups: php.internals 
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Hi On 2026-09-08 14:17, Ilia wrote:
My perspective is that memory issues in PHP that cause crashes are generally not good and should be resolved wherever possible. While PHP 9 may address many of these issues, it is still far off and production code migration will take even longer. Therefore, fixes now are still relevant.
I agree with that. Also even if PHP 9 will remove all current deprecations, there will certainly be new (engine) deprecations in the PHP 9.x cycle and we're back to the status quo. Best regards Tim Düsterhus

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