CurlHandler.php

<?php
namespace GuzzleHttp\Handler;
 
use GuzzleHttp\Psr7;
use Psr\Http\Message\RequestInterface;
 
class CurlHandler
{
    private $factory;
 
    public function __construct(array $options = [])
    {
        $this->factory = isset($options['handle_factory'])
            ? $options['handle_factory']
            : new CurlFactory(3);
    }
 
    public function __invoke(RequestInterface $request, array $options)
    {
        if (isset($options['delay'])) {
            usleep($options['delay'] * 1000);
        }
 
        $easy = $this->factory->create($request, $options);
        curl_exec($easy->handle);
        $easy->errno = curl_errno($easy->handle);
 
        return CurlFactory::finish($this, $easy, $this->factory);
    }
}