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Subject: Re: [PHP-DEV] [Review] Route stat() family of calls via wrapper ops.
From: pollita@php.net ("Sara Golemon")

>> http:// wrapper:
>>   is_writable() would always return false.
>>   is_readable() would return true *IF* a HEAD request returned 2xx or
>> 3xx is_executable() would always return false.
>>   file_exists() would return true if a HEAD request returned 2xx, 3xx,
>> or
>> 4xx (not including 404)
>
> I wouldn't agree there:
> http://www.example.com/file with spaces.png [1]
>
> returns invalid method: 400. I think the entire 4xx and 5xx family
> should  return false.
>
*blink* Did I write that?  Musta been talking to someone while I was doing
it.  Yes, I agree, only 2xx and 3xx should return true.

> As for 30[12], what happens when the refered document does not exist?
> Symlinks have a maximum number of links and return ELOOP. Does the same
> apply  to 302 and what is the value of MAXSYMLINKS (sys/param.h) in that
> case?
>
I couldn't say without double checking the code, but there's a forward
limit in http_fopen_wrapper which limits how far the http wrapper will go
in following redirects.  If that limit is reached the stat would fail or
the is_readable would return false.  (Just as it would for plainfiles)

-Sara