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