Re: Locking files with PHP
| From: | Zef Hemel | Date: | Tue, 15 May 2001 08:04:02 +0000 |
| Subject: | Re: Locking files with PHP | ||
| References: | 1 | Groups: | php.lang |
| Request: | Send a blank email to php-lang+get-157@lists.php.net to get a copy of this message | ||
http://php.net/flock
"Matthew Toledo" <mtoledo@frognet.net> schreef in berichtnieuws
96s5nl$1h8$1@toye.p.sourceforge.net...
> 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
> design@frognet.net
>
>
>
> --
> PHP Language Mailing List (http://www.php.net/)
> To unsubscribe, e-mail: php-lang-unsubscribe@lists.php.net
> For additional commands, e-mail: php-lang-help@lists.php.net
> To contact the list administrators, e-mail: php-list-admin@lists.php.net
>