Cron Job or Timer

[eluser]Sarwar CSE[/eluser]
Hi,
I want to set a timer which is called a function in time interval 30 min.

how can do this please help me...

[eluser]Dennis Rasmussen[/eluser]
Cron

http://www.htmlcenter.com/blog/running-p...with-cron/

[eluser]Sarwar CSE[/eluser]
Thanks Dennis Rasmussen for replay. Is there any way to set the cron job by php code. I don't want execute using shell.
Shell> crontab crontab

[eluser]Dennis Rasmussen[/eluser]
You can't setup Cron with PHP.

[eluser]Dennis Rasmussen[/eluser]
You can't setup Cron with PHP.