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Re: Order of class definitions within the same file

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On 27.07.2016 at 20:35, Thomas Mlynarczyk wrote:

> On 27/07/16 18:00, Jerry Stuckle wrote:
>
>> The problem with any order working is requiring additional passes to
>> parse the code.  For instance, if it were C-B-A, the parser would have
>> to go through three times.  The first would mark C and B as incomplete,
>> and A as complete.  Then it would have to parse C and B again; this time
>> it would mark C as incomplete and B as complete.  Finally, a third pass
>> would mark C as complete.  Of course, this means parsing (and everything
>> else) takes longer.
> 
> I think I get it now. There *are* actually two "passes": the first one
> when the script is compiled and the second one when the script is
> executed. And the latter expects all class definitions to be either
> complete or available via autoloading but it will not bother with
> multiple look-ups.

Indeed.  I just found a more detailed explanantion by one of the PHP
developers:
<http://jpauli.github.io/2015/03/24/zoom-on-php-objects.html#class-binding>.
 (At the end of the section there's even the example that started this
thread.)

-- 
Christoph M. Becker

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Thread

Order of class definitions within the same file Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2016-07-24 11:23 +0200
  Re: Order of class definitions within the same file "Christoph M. Becker" <cmbecker69@arcor.de> - 2016-07-27 00:45 +0200
    Re: Order of class definitions within the same file Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-26 23:15 -0400
    Re: Order of class definitions within the same file Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2016-07-27 16:57 +0200
      Re: Order of class definitions within the same file Jerry Stuckle <jstucklex@attglobal.net> - 2016-07-27 12:00 -0400
        Re: Order of class definitions within the same file Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2016-07-27 20:35 +0200
          Re: Order of class definitions within the same file "Christoph M. Becker" <cmbecker69@arcor.de> - 2016-08-29 12:07 +0200
      Re: Order of class definitions within the same file "Christoph M. Becker" <cmbecker69@arcor.de> - 2016-07-27 18:06 +0200
        Re: Order of class definitions within the same file Thomas Mlynarczyk <thomas@mlynarczyk-webdesign.de> - 2016-07-27 20:51 +0200

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