Re: [PHP-DEV] PHP 4.0 Bug #2004: recursive call limitation From: Andi Gutmans (andi <email protected>)
Date: 08/09/99

Did you try with the latest CVS version of PHP 4.0? There was a leak in the
stack which I fixed a couple of weeks ago. What is the deepest nesting
level you need? Tens, hundreds, or thousands?

Andi

At 02:52 PM 8/9/99 +0000, gregori <email protected> wrote:
>From: gregori <email protected>
>Operating system: linux (Redhat 6)
>PHP version: 4.0 Beta 1
>PHP Bug Type: Feature/Change Request
>Bug description: recursive call limitation
>
>I dunno where to reply to that ... so I do it here :
>
> > PHP 4.0 (Zend) uses the stack for intensive data, rather than using
> > the heap. That means that its tolerance recursive functions
> > is significantly lower than that of other languages.
>
> > It's relatively easy to tell Zend not to use the stack for this
> > data, and use the heap instead - which would greatly increase the
> > number of recursive functions possible - in the price of reduced
> > speed. If you're interested in such a setting, let me know, we
> > may add a compile-time switch.
>
>
>We definitly need a such flag.
>
>Recursive functions are really usefull when you want to do some
>mathematics or work with directory tree for instance.
>
>By the way ... if there are a little stack ... I think we could have
>problem with big script ... I could imagine a script who call a couple
>of functions who have a lot of parameters !? It could be a problem !? No
>!?
>
>
>It's a bit scaring to have a such limitation !?
>
>
>thank you if you could add that,
>
>gregori
>
>
>
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---
Andi Gutmans <andi <email protected>>
http://www.zend.com/

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