Can a PHP script start another PHP script and exit?

Question

How can a PHP script start another PHP script, and then exit, leaving the other script running?

Also, is there any way for the 2nd script to inform the PHP script when i

Answer 1

Would pcntl_fork() do something similar to what you're ultimately trying to accomplish? http://www.php.net/manual/en/function.pcntl-fork.php