Re: [PHP-LANG] Locking files with PHP

http://php.net/flock

"Matthew Toledo" <[email protected]> schreef in berichtnieuws
[email protected]...
> Hello, I am just starting to use PHP.  I have been using PERL for quite
some
> time.  I was wondering if there is any specific FILE LOCKING I need to
> implement to keep more than one person from altering a text file at the
same
> time.
>
> For instance, in PERL, you use the flock command to set up an advisory
file
> lock.  Lets say that if I have a web page with a text based database, and
> more than one person wants to write to the file at the same time.  In
perl,
> if you use flock(FILE, 2).  This causes person A to wait while person B
> writes to the file.  flock(FILE, 8) unlocks the file.  Then person A is
> allowed to write to the file.
>
> Does the perl equivalent of flock happen automatically in PHP?
>
> If not, how do you lock a file?
>
> Is it an advisory lock, or will it cause an error if two people try to
> access the same file at the same time for the same purpose (writing).
>
> Thanks,
>
>
> ===========================
> Matthew Toledo
> FrogNet Design & Domain Management
> [email protected]
>
>
>
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