Waits for the event to be fired/set

# SyncEvent::wait

(PECL sync >= 1.0.0)

SyncEvent::wait — Waits for the event to be fired/set

### 说明

public function SyncEvent::wait(int `$wait` = -1): bool

Waits for the SyncEvent object to be fired.

### 参数

`wait`
  The number of milliseconds to wait for the event to be fired. A value of -1 is infinite.

### 返回值

成功时返回 `true`， 或者在失败时返回 `false`。

### 示例

示例 #1 SyncEvent::wait() example

    <?php
    // In a web application:
    $event = new SyncEvent("GetAppReport");
    $event->fire();

    // In a cron job:
    $event = new SyncEvent("GetAppReport");
    $event->wait();
    ?>

### 参见

- SyncEvent::fire() - Fires/sets the event

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