Scope::spawn

(PHP 8.6+, True Async 1.0)

public function spawn(\Closure $callable, mixed ...$params): Coroutine

Spawns a new coroutine within the given scope. The coroutine will be bound to the scope and managed by its lifecycle: when the scope is cancelled or closed, all its coroutines will also be affected.

Parameters

callable — the closure to be executed as a coroutine.

params — arguments to pass to the closure.

Return Value

Coroutine — the spawned coroutine object.

Examples

Example #1 Basic usage

<?php

use Async\Scope;

$scope = new Scope();

$coroutine = $scope->spawn(function() {
    echo "Hello from a coroutine!\n";
    return 42;
});

echo $coroutine->getResult(); // 42

Example #2 Passing parameters

<?php

use Async\Scope;

$scope = new Scope();

$coroutine = $scope->spawn(function(string $url, int $timeout) {
    echo "Fetching $url with timeout {$timeout}ms\n";
    // ... perform the request
}, 'https://example.com', 5000);

$scope->awaitCompletion();

Documentation