int find_call_out(function f) int find_call_out(mixed id)
Description
Find a call out in the queue.
This function searches the call out queue. If given a function as
argument, it looks for the first call out scheduled to that function.
The argument can also be a call out id as returned by call_out() , in
which case that call_out will be found (Unless it has already been
called).
Returns
find_call_out() returns the remaining time in seconds before that
call_out will be executed. If no call_out is found,
zero_type (find_call_out (f)) will return 1.