Actually, your message sparked an idea in my [slow] mind. :) I can put the PHP code in a java script, and tell javascript to call it every fifteen seconds. Best option, I think. :) Any ideas? Thanks! -- --- Contact info: Skype: parham-d MSN: fire_lizard16 at hotmail dot com email: parham90 at GMail dot com ""bruce"" <bedouglas@xxxxxxxxxxxxx> wrote in message news:1528701c9ec4d$322e6cb0$0301a8c0@xxxxxxxxxxxx > hi... > > is this a php/web based app... > are the users using the chat function via the browser.. > if this is a browser/web app, are you looking for a way for the > php web app to refetch the textfile... i would assume so... > > have you figured out a rough architecture/design for your app.. > in your design, you're going to need to figure out how to > accomplish updates to the text file, and when you do, you'll > also have figured out how to do the reads... > > i'm assuming that you don't want a continuously running thread > for your php/web app.. ie one continuously, never ending loop... > -so you'll have the user add some text, the app will write this to > a file.. > the user will either select a refresh kind of btn, or your > app will have to implement a refresh process, which will then > fetch new/updated data from your files.. > etc... > > > > > > > -----Original Message----- > From: richard.heyes@xxxxxxxxx [mailto:richard.heyes@xxxxxxxxx]On Behalf > Of Richard Heyes > Sent: Saturday, June 13, 2009 2:17 AM > To: Parham Doustdar > Cc: php-general@xxxxxxxxxxxxx > Subject: Re: Periodic Actions in PHP? > > > Hi, > >> I'm going to create a small chat script with PHP. The messages you want > others to see >> will be added to a flat file (I.E. TXT file), and read and displayed by > PHP. However, I want >> this reading and displaying to be periodic. This means that I want PHP to > check the file for >> new lines every,say, fifteen seconds. How may I do that? I have been > unable to find any >> function that acts like a timer. > > If you're on Unix then look into using cron. Type the following at the > command prompt to get info on cron: > > man 5 crontab > > Cron tasks can be scheduled at most once per minute. And if you're > using Windows then I believe the equivalent would be task scheduler, > but I've no idea how you would go about using it. > > -- > Richard Heyes > HTML5 graphing: RGraph (www.rgraph.net - updated 6th June) > PHP mail: RMail (www.phpguru.org/rmail) > PHP datagrid: RGrid (www.phpguru.org/rgrid) > PHP Template: RTemplate (www.phpguru.org/rtemplate) > PHP SMTP: http://www.phpguru.org/smtp > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
