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Re: PHP7 Stack Trace Mess

From "Christoph M. Becker" <cmbecker69@arcor.de>
Newsgroups comp.lang.php
Subject Re: PHP7 Stack Trace Mess
Date 2015-06-23 22:15 +0200
Organization solani.org
Message-ID <mmceos$cut$2@solani.org> (permalink)
References <mmbqe8$c2u$1@news.albasani.net> <3t55898eadi3e2an3e8%sfroehli@Froehlich.Priv.at> <mmceam$8p7$1@news.albasani.net>

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Thomas Mlynarczyk wrote:

> On 23/06/15 18:58, Stefan Froehlich wrote:
>> On Tue, 23 Jun 2015 16:28:23 Thomas Mlynarczyk wrote:
>>> [...] it may be simpler for the engine not having to "remember"
>>> the original values [...]
>> It's the only reason I can think of. Otherwise all arguments would
>> have to be copied eventually - just in case.
> 
> Not necessarily. PHP implements "copy on write". If the argument is not
> modified by the function, no copy will be made.

Still, at least the zvals (16 bytes each) would have to be copied.

-- 
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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