Try again with system() and delete/change file stat.
strace also shows PHP is calling stat/access if you
would like.

--
Yasuo Ohgaki


Ilia A. wrote:
> The code appears to be working fine, on my system it returns
> bool(false)
> bool(false)
> bool(false)
> bool(false)
> 
> and without the chmod line.
> 
> bool(false)
> bool(true)
> bool(false)
> bool(false)
> 
> Seems like perfectly valid behaviour to me, unlink() successfuly removed the 
> file and from the looks of it cleared PHP's stat cache of the removed file. I 
> fail to see why you are advocating that PHP should return TRUE for 
> is_readable() of a file that is no longer on the file sytem.
> 
> Ilia
> 
> On September 24, 2002 08:22 pm, Yasuo Ohgaki wrote:
> 
>>It seems stat cache is broken.
>>
>>I've tried 4.0.4pl1 and 4.3.0-dev, functions that
>>should use stat cache do no use cache, but it just
>>call stat or access as requested.
>>
>><?php
>>$filename = 'test_file';
>>
>>// make sure file does not exist
>>unlink($filename);
>>var_dump(is_readable($filename));
>>
>>// create file
>>touch($filename);
>>chmod($filename, 0);
>>var_dump(is_readable($filename));
>>
>>// remove file
>>unlink($filename); // chmod does not make difference
>>var_dump(is_readable($filename)); // This should use stat cache return
>>TRUE, isn't?
>>
>>// clear cache and test again
>>clearstatcache($filename);
>>var_dump(is_readable($filename));
>>
>>?>
>>
>>we have 2 choices.
>>
>>1) Fix stat cache
>>2) Change documentation
>>http://jp.php.net/manual/en/function.clearstatcache.php
>>
>>Fixing this will break many scripts, probably.
>>Just point it out the problem I noticed, since Wez is
>>going to rewrite stat related code soon(?) IIRC.
> 
> 
> 
> 



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