[TYPO3-dev] Package Loading Order - Define an Extension to be loaded before another

[Stephan Schuler]

Hey Caspar.


I don't know about a way to adjust the loading order of extensions in the way you want it, but I did never need that, so I haven't searched much.

http://docs.typo3.org/typo3cms/CoreApiReference/ExtensionArchitecture/DeclarationFile/Index.html
Although nothing states about loading orders, the "contraints" are currently the only way I know to influence loading orders.

Could you please explain what you're trying to do? If you need to e.g. register a hook to be executed before another one (because you want to precede e.g. realURL, or surround it), then you could do it the other way around. Make your extension depend on that other one to ensure you are loaded *after* the first one. When registering that hook, don't just "array_push" your class/method call to that hook array but rebuild that particular hook array entirely. This way you can make sure to have your class/method call placed wherever you want.

I just provided some dirty example. This one wraps two methods as close to realUrl as possible.
http://pastebin.com/VSPiQTWK

Or if you don't care "how far away" you go. Registers one hook at the beginning of the execution order and another one at the end.
http://pastebin.com/6rdEmzDx


Of course there can be other extensions being loaded after yours that can register themselves even earlier in the execution queue, or even later. So you can never rely on being the very first one or the very last one. So you should either double check your setup or just create code that doesn't care.


Regards,


Stephan Schuler
Web-Entwickler

Telefon: +49 (911) 539909 - 0
E-Mail: Stephan.Schuler at netlogix.de
Website: media.netlogix.de



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-----Ursprüngliche Nachricht-----
Von: typo3-dev-bounces at lists.typo3.org [mailto:typo3-dev-bounces at lists.typo3.org] Im Auftrag von Caspar Stuebs
Gesendet: Donnerstag, 31. Juli 2014 12:56
An: List for Core-/Extension development
Betreff: Re: [TYPO3-dev] Package Loading Order - Define an Extension to be loaded before another

Yes, that is clear.

But I want to define it the other way.
Extension ONE should be loaded before Extension TWO - and that has to be declared in Extension ONE, because Extension TWO is a third party Extension. If I change Extension TWO, it will be remove, when it is updated.




2014-07-31 12:37 GMT+02:00 Frans Saris <franssaris at gmail.com>:

> If you set the second extension as dependency in tour extension it is
> loaded before yours.
>
> Gr. Frans
> Op 31 jul. 2014 12:05 schreef "Caspar Stuebs" <caspar at gosign.de>:
>
> > Hi Folks,
> >
> > is there any possibility to define in an extension, that is has to
> > be loaded before another extension?
> >
> > I know, that I could define it the other way, that the second has to
> > be loaded after the first. But the second extension is a third party
> extension
> > and I do not like to change the ext_emconf.php of that.
> >
> > Does anybody know, if this is possible?
> >
> > Kind Regards.
> > Caspar
> >
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