<?php
  // composer.phar require guzzlehttp/guzzle
  // composer.phar require league/csv

  require 'vendor/autoload.php';

  use GuzzleHttp\Client;
  use League\Csv\Reader;

  $client = new Client();
  // $argv[1] 参数
  // $csv = new Reader($argv[1]);
  $csv = Reader::createFromPath('urls.csv');

  foreach($csv as $csvRow) {
    try {
      $httpResponse = $client->options($csvRow[0]);

      echo "<pre>";
      print_r($httpResponse);
      echo "</pre>";


      if ($httpResponse->getStatusCode() >= 400) {
        throw new \Exception();
      }
    } catch (\Exception $e) {
      echo $csvRow[0] . PHP_EOL;
    }
  }

<?php
  namespace Cody\ModernPHP\Url;

  use GuzzleHttp\Client;

  class Scanner {
    protected $urls;

    protected $httpClient;

    public function __construct(array $urls)
    {
      $this->urls = $urls;
      $this->httpClient = new Client();
    }

    public function getInvalidUrls()
    {
      $invalidUrls = [];

      foreach ($this->urls as $url) {
        try {
          $statusCode = $this->getStatusCodeForUrl($url);
        } catch (\Exception $e) {
          $statusCode = 500;
        }

        echo $statusCode;

        if ($statusCode >= 400) {
          array_push($invalidUrls, [
              'url' => $url,
              'status' => $statusCode
            ]);
        }
      }

      return $invalidUrls;
    }

    public function getStatusCodeForUrl($url)
    {
      $httpResponse = $this->httpClient->options($url);

      echo "<pre>";
      print_r($httpResponse);
      echo "</pre>";


      return $httpResponse->getStatusCode();
    }
  }