(PECL libevent >= 0.0.1)
event_base_loop — Handle events
$event_base
[, int $flags = 0
] )Starts event loop for the specified event base.
event_base
Valid event base resource.
flags
Optional parameter, which can take any combination of
EVLOOP_ONCE and EVLOOP_NONBLOCK.
event_base_loop() returns 0 on success, -1 on error and 1 if no events were registered.