Scope::__construct

(PHP 8.6+, True Async 1.0)

public function __construct()

Creates a new root Scope. A root scope has no parent scope and serves as an independent unit for managing the lifecycle of coroutines.

Examples

Example #1 Basic usage

<?php

use Async\Scope;

$scope = new Scope();

$scope->spawn(function() {
    echo "Coroutine in a new scope\n";
});

$scope->awaitCompletion();

Example #2 Creating multiple independent scopes

<?php

use Async\Scope;

$scopeA = new Scope();
$scopeB = new Scope();

$scopeA->spawn(function() {
    echo "Task A\n";
});

$scopeB->spawn(function() {
    echo "Task B\n";
});

// Cancelling one scope does not affect the other
$scopeA->cancel();

// $scopeB continues running
$scopeB->awaitCompletion();

See Also

Scope::inherit — Create a child Scope
Scope::spawn — Spawn a coroutine in the scope