PHP code example of jerome / matrix

1. Go to this page and download the library: Download jerome/matrix library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

jerome / matrix example snippets


use function Matrix\Support\async;
use function Matrix\Support\await;
use function Matrix\Support\delay;

$value = await(async(fn () => 'ready'));
$later = await(delay(0.1, 'ready later'));


use function Matrix\Support\all;
use function Matrix\Support\async;
use function Matrix\Support\await;

$results = await(all([
    'first' => async(fn () => 1),
    'second' => 2,
]));
// ['first' => 1, 'second' => 2]


use function Matrix\Support\await;
use function Matrix\Support\map;

$values = await(map(
    ['a' => 1, 'b' => 2, 'c' => 3],
    fn (int $value): int => $value * 2,
    concurrency: 2,
));


use function Matrix\Support\async;
use function Matrix\Support\await;
use function Matrix\Support\retry;
use function Matrix\Support\timeout;

$result = await(timeout(
    retry(fn () => async(fn () => fetchNonBlockingData()), 3),
    5.0,
));


use function Matrix\Support\cancellable;
use function Matrix\Support\delay;

$operation = cancellable(delay(30), fn () => releaseResources());
$operation->cancel();


use function Matrix\Support\await;
use function Matrix\Support\rateLimit;

$limited = rateLimit(fn (string $url) => fetchNonBlocking($url), 2, 1.0);
$response = await($limited('https://example.com'));


use function Matrix\Support\listen;

listen('promise.rejected', static function ($event): void {
    error_log($event->getErrorClass().': '.$event->getErrorMessage());
});