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(PECL libevent >= 0.0.5)
event_priority_set — Assign a priority to an event.
$event
, int $priority
)
Assign a priority to the event
.
event
Valid event resource.
priority
Priority level. Cannot be less than zero and cannot exceed maximum priority level of the event base (see event_base_priority_init() ).
成功时返回 TRUE
, 或者在失败时返回 FALSE
。