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symfony/rate-limiter

symfony/rate-limiter

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Last Updated: 2023-07-30 09:09:35

Provides a Token Bucket implementation to rate limit input and output in your application

License: MIT License

Languages: PHP

https://symfony.com/rate-limiter

Rate Limiter Component

The Rate Limiter component provides a Token Bucket implementation to rate limit input and output in your application.

Getting Started

$ composer require symfony/rate-limiter
use Symfony\Component\RateLimiter\Storage\InMemoryStorage;
use Symfony\Component\RateLimiter\RateLimiterFactory;

$factory = new RateLimiterFactory([
    'id' => 'login',
    'policy' => 'token_bucket',
    'limit' => 10,
    'rate' => ['interval' => '15 minutes'],
], new InMemoryStorage());

$limiter = $factory->create();

// blocks until 1 token is free to use for this process
$limiter->reserve(1)->wait();
// ... execute the code

// only claims 1 token if it's free at this moment (useful if you plan to skip this process)
if ($limiter->consume(1)->isAccepted()) {
   // ... execute the code
}

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