# Thread 类

(PECL pthreads >= 2.0.0)

## 简介

当调用 Thread 对象的 start 方法时，该对象的 run 方法中的代码将在独立线程中并行执行。

run 方法中的代码执行完毕之后，独立线程立即退出，并且等待合适的时机由创建者线程加入（join）。

警告

依赖于引擎本身的机制检测何时加入线程可能引发非预期的行为，程序员应该尽可能的显式控制线程加入的时机。

## 类摘要

class Thread extends Threaded implements Countable, Traversable, ArrayAccess {
/* 方法 */
public getCreatorId(): int
public static getCurrentThread(): Thread
public static getCurrentThreadId(): int
public getThreadId(): int
public isJoined(): bool
public isStarted(): bool
public join(): bool
public start(int `$options` = ?): bool
/* 继承的方法 */
public Threaded::chunk(int `$size`, bool `$preserve`): array
public Threaded::count(): int
public Threaded::extend(string `$class`): bool
public Threaded::isRunning(): bool
public Threaded::isTerminated(): bool
public Threaded::merge(mixed `$from`, bool `$overwrite` = ?): bool
public Threaded::notify(): bool
public Threaded::notifyOne(): bool
public Threaded::pop(): bool
public Threaded::run(): void
public Threaded::shift(): boolean
public Threaded::synchronized(Closure `$block`, mixed `...$args`): mixed
public Threaded::wait(int `$timeout` = ?): bool
}

## 目录

- Thread::getCreatorId — 识别
- Thread::getCurrentThread — 识别
- Thread::getCurrentThreadId — 识别
- Thread::getThreadId — 识别
- Thread::isJoined — 状态监测
- Thread::isStarted — 状态检测
- Thread::join — 同步
- Thread::start — 执行

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