Coroutine::getSpawnLocation

Get the coroutine creation location as a string.

Coroutine::getSpawnLocation ​

(PHP 8.6+, True Async 1.0)

php
public Coroutine::getSpawnLocation(): string

Returns the coroutine creation location in the format "file:line". If the information is unavailable, returns "unknown".

Return Value ​

string -- a string like "/app/script.php:42" or "unknown".

Examples ​

Example #1 Debug output ​

php
<?php

use function Async\spawn;

$coroutine = spawn(fn() => "test");

echo "Created at: " . $coroutine->getSpawnLocation() . "\n";
// Output: "Created at: /app/script.php:5"

Example #2 Logging all coroutines ​

php
<?php

use function Async\spawn;
use function Async\get_coroutines;

spawn(fn() => Async\delay(1000));
spawn(fn() => Async\delay(2000));

foreach (get_coroutines() as $coro) {
    echo "Coroutine #{$coro->getId()} created at {$coro->getSpawnLocation()}\n";
}

See Also ​