Date: Wed, 23 Mar 2011 19:11:15 +0100 From: =?utf-8?B?RnLDqWTDqXJpYw==?= Perrin <fred@resel.fr> To: freebsd-questions@freebsd.org Subject: Re: why does this simple counter fail? Message-ID: <kggr59xpv0c.fsf@pc-df-302.priv.enst-bretagne.fr> References: <20110323164504.GA25317@thought.org>
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Gary Kline <kline@thought.org> writes:
> Can any of you php hackers tell me why this simple self-hacked
> counter bomb?
As others said, what does 'this simple counter bomb' means?
> $fp = fopen($directory.$file, "r+");
> flock($fp, 1);
You want an exclusive lock (LOCK_EX, which is 2 is you use some ancient
PHP), not a shared lock.
When updating the file:
> fputs($fp, $count);
> fputs($fp, "\n");
> fputs($fp, $file);
Why do you feel the need to store the filename inside the file itself?
You don't seem to need it after.
--
Frédéric Perrin -- http://tar-jx.bz
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