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Re: PHP7 Stack Trace Mess

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Stefan Froehlich wrote:

> On Tue, 23 Jun 2015 16:28:23 Thomas Mlynarczyk wrote:
>
>> While it may be simpler for the engine not having to "remember"
>> the original values, I find a messed-up stack trace an
>> unacceptably high price to pay for such an optimization (if that
>> is indeed the reason).
> 
> It's the only reason I can think of. Otherwise all arguments would
> have to be copied eventually - just in case.

Yes, indeed that has been done for performance reasons, and the change
has been introduced very early in the development of PHP 7.0.0, while it
has been called PHPNG (<https://wiki.php.net/phpng>).

> At the very minimum I'd expect an ini-setting to control this
> behaviour, but:
>  
>> How am I supposed to get correct stack trace information in PHP7?
> 
> Not at all, I am afraid.

I see two possibilities:

* don't assign to parameters
* make a feature request (<https://bugs.php.net/>) to introduce an ini
setting to be able to retain the original arguments

-- 
Christoph M. Becker

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Thread

PHP7 Stack Trace Mess Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2015-06-23 16:28 +0200
  Re: PHP7 Stack Trace Mess Stefan+Usenet@Froehlich.Priv.at (Stefan Froehlich) - 2015-06-23 16:58 +0000
    Re: PHP7 Stack Trace Mess "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-06-23 20:00 +0200
      Re: PHP7 Stack Trace Mess Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2015-06-23 22:22 +0200
        Re: PHP7 Stack Trace Mess "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-06-24 00:03 +0200
          Re: PHP7 Stack Trace Mess Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2015-06-24 10:44 +0200
            Re: PHP7 Stack Trace Mess "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-06-24 20:02 +0200
              Re: PHP7 Stack Trace Mess Matthew Carter <m@ahungry.com> - 2015-06-24 14:09 -0400
                Re: PHP7 Stack Trace Mess Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2015-06-24 20:50 +0200
                Re: PHP7 Stack Trace Mess "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-06-25 01:09 +0200
                Re: PHP7 Stack Trace Mess Matthew Carter <m@ahungry.com> - 2015-06-24 22:12 -0400
                Re: PHP7 Stack Trace Mess Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2015-06-25 10:02 +0200
                Re: PHP7 Stack Trace Mess "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-06-25 15:48 +0200
                Re: PHP7 Stack Trace Mess Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2015-06-25 18:04 +0200
                Re: PHP7 Stack Trace Mess "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-06-25 19:14 +0200
    Re: PHP7 Stack Trace Mess Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2015-06-23 22:07 +0200
      Re: PHP7 Stack Trace Mess "Christoph M. Becker" <cmbecker69@arcor.de> - 2015-06-23 22:15 +0200
      Re: PHP7 Stack Trace Mess Stefan+Usenet@Froehlich.Priv.at (Stefan Froehlich) - 2015-06-24 06:13 +0000

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