How can I execute a program later?

Anon

Can I in php somehow execute some instruction defered hours or days?

I have a postcard site and I want to clean the database for old postcards every day at midnight or every week, how do I achieve that? Can I use php?

I am running in a linux apache server with php3

Anon

If you have access to it, you could setup cron to run a script that does anything you desire (in almost any language, I'd guess you'd want to use Perl)

Anon

Yes, you can run PHP from the command line. If you are using the CGI version then you are ready to go, if not then you will need to recompile for a CGI binary (it won't affect current install if you do not "make install" it.

After that you would create a cron job to run each evening that would execute the php script.

For example:

/usr/bin/php myfile.php

Would run this php script once per minute.

See man crontab for more info on setting up your crontabs.

Jack