CurlHandler.php
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CurlHandler.php
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	<?php

	namespace GuzzleHttp\Handler;

	use GuzzleHttp\Promise\PromiseInterface;
	use Psr\Http\Message\RequestInterface;

	/**
	* HTTP handler that uses cURL easy handles as a transport layer.
	*
	* When using the CurlHandler, custom curl options can be specified as an
	* associative array of curl option constants mapping to values in the
	* curl key of the "client" key of the request.
	*
	* @final
	*/
	class CurlHandler
	{
	/**
	* @var CurlFactoryInterface
	*/
	private $factory;

	/**
	* Accepts an associative array of options:
	*
	* - handle_factory: Optional curl factory used to create cURL handles.
	*
	* @param array{handle_factory?: ?CurlFactoryInterface} $options Array of options to use with the handler
	*/
	public function __construct(array $options = [])
	{
	$this->factory = $options['handle_factory']
	?? new CurlFactory(3);
	}

	public function __invoke(RequestInterface $request, array $options): PromiseInterface
	{
	if (isset($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);
	}
	}