Future::isCompleted

(PHP 8.6+, True Async 1.0)

public function isCompleted(): bool

Checks whether the Future is completed. A Future is considered completed if it contains a result, an error, or has been cancelled.

Return value

bool — true if the Future is completed (successfully, with an error, or cancelled), false otherwise.

Examples

Example #1 Checking Future completion

<?php

use Async\Future;
use Async\FutureState;

$state = new FutureState();
$future = new Future($state);

var_dump($future->isCompleted()); // bool(false)

$state->complete(42);

var_dump($future->isCompleted()); // bool(true)

Example #2 Checking static factory methods

<?php

use Async\Future;

$completed = Future::completed("done");
var_dump($completed->isCompleted()); // bool(true)

$failed = Future::failed(new \RuntimeException("error"));
var_dump($failed->isCompleted()); // bool(true)

See also

Future::isCancelled — Check if the Future is cancelled
Future::await — Await the Future result