You can use sleep(), but I have found it to be unreliable and can cause a heavy process load for most servers. -- Joe > u can use scheduled tasks if u want to run a particular scripts once in a > while. > if u want to run any program from a php script u'll hav to use exec() or > similar function.. > u can use both of them together to attain the above result. > > @robert how can this be achieved purely tru php...?? > > Kranthi. > > > On Tue, Feb 3, 2009 at 08:56, muthuranjmca <muthuranjmca@xxxxxxxxx> wrote: > >> --- In php-objects@xxxxxxxxxxxxxxx <php-objects%40yahoogroups.com>, >> "muthuranjmca" <muthuranjmca@...> >> wrote: >> >> > >> > I want to write a program to automatically run a program within every >> > half an hour, >> > How to write this using PHP? Help me >> >I'm using "WindowsXP and XAMPP1.4 version" >> >> >> > > > [Non-text portions of this message have been removed] > >