To spare the "5.4 features vote" thread from the off-topic discussion,
we can continue here.
Hannes Landeholm brought this idea up, see
http://news.php.net/php.internals/53956 and
http://news.php.net/php.internals/53959
I would suggest that Hannes create an rfc, and add some examples and
introduce
Hi,
On Thu, Jul 14, 2011 at 21:42, Ferenc Kovacs wrote:
> To spare the "5.4 features vote" thread from the off-topic discussion,
> we can continue here.
> Hannes Landeholm brought this idea up, see
> http://news.php.net/php.internals/53956 and
> http://news.php.net/php.internals/53959
> I would s
Hi,
Ferenc: Good idea to move the discussion to a separate thread.
Etienne: Awesome. I wish I had time to write the patch myself. I could
probably put some hours into adding more details to the RFC though.
The only problem as I see it by making it a weak reference class instead of
a weak referen
Hello,
I just realized you could actually utilize the __destruct method to catch
the event I described in my last post. The SplWeakRef class as currently
defined in the RFC would therefore suffice to build a userland class that
automatically garbage collects indexes.
~Hannes
I was going to add some content to
https://wiki.php.net/rfc/weakreferencesnow but the wiki tells me that
the page is read only for me. I couldn't find
any details on who to contact to change this.
~Hannes
On 14 July 2011 20:42, Ferenc Kovacs wrote:
> To spare the "5.4 features vote" thread from the off-topic discussion,
> we can continue here.
> Hannes Landeholm brought this idea up, see
> http://news.php.net/php.internals/53956 and
> http://news.php.net/php.internals/53959
> I would suggest that H
On Sat, Jul 16, 2011 at 12:14 PM, Richard Quadling wrote:
> On 14 July 2011 20:42, Ferenc Kovacs wrote:
>> To spare the "5.4 features vote" thread from the off-topic discussion,
>> we can continue here.
>> Hannes Landeholm brought this idea up, see
>> http://news.php.net/php.internals/53956 and
>
On Sat, Jul 16, 2011 at 12:11 PM, Hannes Landeholm wrote:
> I was going to add some content to
> https://wiki.php.net/rfc/weakreferencesnow but the wiki tells me that
> the page is read only for me. I couldn't find
> any details on who to contact to change this.
>
> ~Hannes
>
I already asked bjor
Since Weak references is already an established concept in many OOP
languages a lot can be learned from their implementation. A lot of the
potential related problems and solutions has already been studied.
Anyone who wish to contribute to this feature should start by reading
this excellent article
On Sat, Jul 16, 2011 at 1:13 PM, Hannes Landeholm wrote:
> Since Weak references is already an established concept in many OOP
> languages a lot can be learned from their implementation. A lot of the
> potential related problems and solutions has already been studied.
> Anyone who wish to contribu
I'm not familiar with the internal implementation of GC in PHP but if
the current garbage collection implementation makes catching the gc
event non-trivial I'd agree and vote for postponing my "SplQueue
ref_queue" suggestion until the future. It could always be added later
and there is the temporar
On Sat, Jul 16, 2011 at 12:11 PM, Hannes Landeholm wrote:
> I was going to add some content to
> https://wiki.php.net/rfc/weakreferencesnow but the wiki tells me that
> the page is read only for me. I couldn't find
> any details on who to contact to change this.
>
> ~Hannes
>
Hannes, now you shou
I too would welcome a solution to this problem, I've run into it several
times already and always had to use a semi-satisfactory solution. I
hadn't heard about weak-references before, and I generally like the
concept. What I am not so sure is wether this makes everything alot more
complicated f
On Sun, Jul 17, 2011 at 3:04 PM, Lars Schultz wrote:
> I too would welcome a solution to this problem, I've run into it several
> times already and always had to use a semi-satisfactory solution. I hadn't
> heard about weak-references before, and I generally like the concept. What I
> am not so su
On 17 July 2011 12:38, Ferenc Kovacs wrote:
>
> Hannes, now you should have karma for the rfc namespace, so you can
> now extend the article with your suggestions.
Great, I'll start contributing ASAP. What's the next step after the RFC is
complete? Testing? Voting?
On 17 July 2011 15:04, Lar
hi,
On Sun, Jul 17, 2011 at 5:40 PM, Hannes Landeholm wrote:
> On 17 July 2011 12:38, Ferenc Kovacs wrote:
>>
>> Hannes, now you should have karma for the rfc namespace, so you can
>> now extend the article with your suggestions.
>
>
>
> Great, I'll start contributing ASAP. What's the next ste
Am 16.07.2011 13:23, schrieb Ferenc Kovacs:
> we have debug_zval_dump but it is hard to use correctly
Well, it's not a simple problem then is it? It wouldn't be too hard if
you understood the source of the problem...
> with weak references, you wouldn't need to worry about keeping a count
> of
Am 17.07.2011 17:40, schrieb Hannes Landeholm:
If you are writing code that caches objects/relations and that caching has a
significant impact on memory usage, you need to care about memory
allocation/management per definition.
Right. That's what I am talking about...a callback on high-memory
co
Lars: Please don't break up my sentences and take them out of context before
you reply to them. (Hint: If a sentence begins with "so" it's not a good
idea to just reply to that sentence.)
If you are caching stuff you would rather want to use a strong reference
since the objects should be retained
Am 18.07.2011 09:33, schrieb Hannes Landeholm:
Lars: Please don't break up my sentences and take them out of context before
you reply to them. (Hint: If a sentence begins with "so" it's not a good
idea to just reply to that sentence.)
Sorry for misquoting you. I intended to make it clear to which
>> I hope this will be more clear once the RFC is complete. I will then start
>> a
>> separate thread for official discussion.
>
> All I wanted was to point out that introducing such a thing might overly
> complicate things for users not familiar with the concept...as the java guy
> pointed out in
Am 18.07.2011 10:15, schrieb Ferenc Kovacs:
I think that having to know and care about refcounts and zvals are
more complicated than having an Spl class, which can hold a reference
for a variable what can be destroyed to free memory.
and there is a chance that people are familiar with the Weak
re
While I like SplWeekRef and the somewhat proposed SplWeekRefList, you’ll
find attached a patch that exposes a simple function „refcount“ having
this signature:
int refcount(mixed value)
So if you would like to play around with it, have fun. It would be
interesting to see if there are any other us
Hi
I try to write a a weak reference extension for php5.3 to break circular
object structures,
so far I have a test implementation that seems to work fine with my
first tests.
My current system uses a new base class that returns a new resource via
a getWeakRef method.
This resource can be
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