Live PHP Code Example: Rate Limiter Implementation with Fibers

Discover a simple live code example of a rate limiter implemented with Fibers in PHP. Learn how to efficiently manage API requests and enhance application performance using concurrent task handling with this hands-on guide.

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<?php
class RateLimiter {
    private int $maxRequestsPerSecond;
    private float $lastRequestTime;
    private Fiber $limiter;
    public function __construct(int $maxRequestsPerSecond) {
        $this->maxRequestsPerSecond = $maxRequestsPerSecond;
        $this->lastRequestTime = microtime(true);
        $this->limiter = new Fiber(function () {
            while (true) {
                $currentTime = microtime(true);
                $timeSinceLastRequest = $currentTime - $this->lastRequestTime;
                if ($timeSinceLastRequest < 1 / $this->maxRequestsPerSecond) {
                    usleep((int) ((1 / $this->maxRequestsPerSecond - $timeSinceLastRequest) * 1000000));
                }
                $this->lastRequestTime = microtime(true);
                Fiber::suspend();
            }
        });
 
 
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Live PHP Code Example: Rate Limiter Implementation with Fibers

Discover a simple live code example of a rate limiter implemented with Fibers in PHP. Learn how to efficiently manage API requests and enhance application performance using concurrent task handling with this hands-on guide.

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