PHP script to execute at certain times

Question

Is there a simple way to have a php script execute some html at a certain times of the day?

For example i have on my home page a header and at certain times i want t

Answer 1

If you are running on Linux, then you could have a cron job.

If you are on Windows, then use Task Scheduler.

If you are in a hosted environment, you need to check to see if either is allowed.