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   1  <?php
   2  namespace GuzzleHttp\Handler;
   3  
   4  use GuzzleHttp\Psr7;
   5  use Psr\Http\Message\RequestInterface;
   6  
   7  /**
   8   * HTTP handler that uses cURL easy handles as a transport layer.
   9   *
  10   * When using the CurlHandler, custom curl options can be specified as an
  11   * associative array of curl option constants mapping to values in the
  12   * **curl** key of the "client" key of the request.
  13   */
  14  class CurlHandler
  15  {
  16      /** @var CurlFactoryInterface */
  17      private $factory;
  18  
  19      /**
  20       * Accepts an associative array of options:
  21       *
  22       * - factory: Optional curl factory used to create cURL handles.
  23       *
  24       * @param array $options Array of options to use with the handler
  25       */
  26      public function __construct(array $options = [])
  27      {
  28          $this->factory = isset($options['handle_factory'])
  29              ? $options['handle_factory']
  30              : new CurlFactory(3);
  31      }
  32  
  33      public function __invoke(RequestInterface $request, array $options)
  34      {
  35          if (isset($options['delay'])) {
  36              usleep($options['delay'] * 1000);
  37          }
  38  
  39          $easy = $this->factory->create($request, $options);
  40          curl_exec($easy->handle);
  41          $easy->errno = curl_errno($easy->handle);
  42  
  43          return CurlFactory::finish($this, $easy, $this->factory);
  44      }
  45  }