Re: Event Handling

On Mon, 2010-03-15 at 18:28 +0530, Midhun Girish wrote: > rene "a page with an ajax script that kicks off the check-for-recent-events > script on the server".. but that method is highly non reliable.... i dont > think anyone will take that risk especially for an important web app.... > cron or any equivalent which runs on the server must be used instead of > that.. > > > Midhun Girish > Development Lead > MobAlive Technologies > > > > On Mon, Mar 15, 2010 at 6:08 PM, Jochem Maas <jochem@iamjochem.com> wrote: > > > Op 3/15/10 12:00 PM, David Hutto schreef: > > > On Mon, Mar 15, 2010 at 7:31 AM, Jochem Maas <jochem@iamjochem.com> > > wrote: > > > > > >> Op 3/15/10 8:24 AM, Midhun Girish schreef: > > >>> Hi , > > >>> Just as David Hutto has said,What you need is the cronjob... Make a > > >> script > > >>> say "check.php" which checks the db to see if any new entries are > > made... > > >>> and if yes send the mail ... > > >>> > > >>> now using the cronjob feature in linux os(which will be provided as a > > >>> service in your linux hosting cpanel), set a cronjob which calls the " > > >>> http://www.yoursite.com/check.php" URL > > >>> every minute.... now a trigger > > >> will > > >>> be there every minute to the script and the emails will be send > > >> irrespective > > >>> of whether anyone is browsing the site or not.... hope it is clear... > > >>> > > >> > > >> use cron - yes > > >> have cron call a web URL - no, instead just call the script via the php > > CLI > > >> sapi, > > >> e.g. a cmdline as follows in cron: > > >> > > >> /usr/env php /path/to/your/check.php &> /dev/null > > >> > > > > > > > > > I do believe removing the /dev/null will send error messages during the > > > building of the script, correct? > > > > > > > the '&> /dev/null' redirects all output - I kind of make the assumption > > that the > > script would be logging stuff to a file or something when in production. > > > > so, yes, remove the redirection when your developing/testing the script. > > > > > > I agree. Even setting a cron on a local computer to call home to a server script would be preferable to Ajax calls. Thanks, Ash http://www.ashleysheridan.co.uk