Method call_out()

Method call_out: mixed call_out(function f, float|int delay, mixed ... args)
Description
: Make a delayed call to a function.

call_out places a call to the function f with the argument args in a queue to be called in about delay seconds.
Returns: Returns a call_out identifier that identifies this call_out. This value can be sent to eg find_call_out or remove_call_out.
See also: remove_call_out, find_call_out, call_out_info