Dispatch pending events

# EventBase::loop

(PECL event >= 1.2.6-beta)

EventBase::loop — Dispatch pending events

### 说明

public function EventBase::loop( int `$flags` = ?): bool

Wait for events to become active, and run their callbacks.

警告

Do NOT destroy the EventBase object as long as resources of the associated `Event` objects are not released. Otherwise, it will lead to unpredictable results!

### 参数

`flags`

  Optional flags. One of `EventBase::LOOP_*` constants. See EventBase constants.

### 返回值

成功时返回 `true`， 或者在失败时返回 `false`。

### 参见

- EventBase::dispatch() - Dispatch pending events

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