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Re: Prevent unlink(...) warning [message #176029 is a reply to message #176028]

Thu, 17 November 2011 17:21

Simon
Messages: 29
Registered: February 2011

Karma:

Junior Member

On 2011/11/17 05:18 PM, The Natural Philosopher wrote:
> Simon wrote:
>> Hi,
>>
>> I am having some race condition issues on my server when trying to
>> delete a file.
>>
>
> what makes you think its a race condition?

A guess really,

If I do:
....
if (file_exists($filename))
{

and followed by
....
@unlink($filename);
}

And that gives me a

unlink(/home/xxx/public_html/temp/yyy.zz) [function.unlink]: No such
file or directory

The something between file_exists(...) and @unlink(...) must have
removed the file.
Either that or one of the two functions is not working as expected.

>
> Why do you care about the stat cache?
>

As per the doc, http://php.net/manual/en/function.clearstatcache.php, to
make sure that file_exists($filename) does return a cached value.

>>
>> How can I prevent the warning?
>>
> Why prevent it at all?
>
> As long as the file is not there when you are finished - why not just
> unlink it anyway?
>

Because the warnings fill my logs and I aim for no warnings at all.

Simon

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[Message index]

		Prevent unlink(...) warning By: Simon on Thu, 17 November 2011 15:04
		Re: Prevent unlink(...) warning By: The Natural Philosoph on Thu, 17 November 2011 15:18
		Re: Prevent unlink(...) warning By: Simon on Thu, 17 November 2011 17:21
		Re: Prevent unlink(...) warning By: The Natural Philosoph on Thu, 17 November 2011 18:29
		Re: Prevent unlink(...) warning By: alvaro.NOSPAMTHANX on Thu, 17 November 2011 17:42
		Re: Prevent unlink(...) warning By: Jerry Stuckle on Thu, 17 November 2011 18:54

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