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The Fiber class

(PHP 8 >= 8.1.0)

Introduction

Fibers represent full-stack, interruptible functions. Fibers may be suspended from anywhere in the call-stack, pausing execution within the fiber until the fiber is resumed at a later time.

Class synopsis

final class Fiber {

/* Methods */

public __construct(callable $callback)

public start(mixed ...$args): mixed

public resume(mixed $value = null): mixed

public throw(Throwable $exception): mixed

public getReturn(): mixed

public isStarted(): bool

public isSuspended(): bool

public isRunning(): bool

public isTerminated(): bool

public static suspend(mixed $value = null): mixed

public static getCurrent(): ?Fiber

}

See Also

Fibers overview

Table of Contents

Fiber::__construct — Creates a new Fiber instance
Fiber::start — Start execution of the fiber
Fiber::resume — Resumes execution of the fiber with a value
Fiber::throw — Resumes execution of the fiber with an exception
Fiber::getReturn — Gets the value returned by the Fiber
Fiber::isStarted — Determines if the fiber has started
Fiber::isSuspended — Determines if the fiber is suspended
Fiber::isRunning — Determines if the fiber is running
Fiber::isTerminated — Determines if the fiber has terminated
Fiber::suspend — Suspends execution of the current fiber
Fiber::getCurrent — Gets the currently executing Fiber instance

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