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Date: Mon, 20 Jul 2020 22:06:39 +0200
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To: PHP Internals List <internals@lists.php.net>
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Subject: Re: [RFC][DISCUSSION] debug_backtrace alternative as an array of
 StackFrame objects
From: michal.brzuchalski@gmail.com (=?UTF-8?Q?Micha=C5=82_Marcin_Brzuchalski?=)

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Hi Internals,

Heads up, I plan to open the vote tomorrow morning.

Cheers,
Micha=C5=82 Marcin Brzuchalski

wt., 7 lip 2020 o 22:46 Micha=C5=82 Marcin Brzuchalski <
michal.brzuchalski@gmail.com> napisa=C5=82(a):

> Hi internals,
>
> following recently added alternative to `token_get_all()` in form of a
> dedicated class `PhpToken`
> I've made a similar proposal for collecting stack traces by introducing
> `StackFrame::getTrace()`
> and `StackFrame` which replaces array with keys and values known from
> `debug_backtrace()`.
>
> To compete with easier adoption `StackFrame` implements `ArrayAccess`
> giving identical API
> to `debug_backtrace()`.
>
> A test script with deep recursion up to 1M frames uses 50% less memory
> than `debug_backtrace()`.
>
> The RFC is described here https://wiki.php.net/rfc/stack-frame-class
> It includes implementation of PoC and tests.
>
> Cheers,
> Micha=C5=82 Marcin Brzuchalski
>

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