WP_CLI::set_url PHP Method

    public static function set_url($url)
    {
        WP_CLI::debug('Set URL: ' . $url, 'bootstrap');
        $url_parts = Utils\parse_url($url);
        self::set_url_params($url_parts);
    }

 /**
  * Run wp_install. Assumes that wp-config.php is already in place.
  */
 public function install($args, $assoc_args)
 {
     require_once ABSPATH . 'wp-admin/includes/upgrade.php';
     if (is_blog_installed()) {
         WP_CLI::error('WordPress is already installed.');
     }
     extract(wp_parse_args($assoc_args, array('site_url' => defined('WP_SITEURL') ? WP_SITEURL : '', 'site_title' => '', 'admin_name' => 'admin', 'admin_email' => '', 'admin_password' => '')), EXTR_SKIP);
     $missing = false;
     foreach (array('site_url', 'site_title', 'admin_email', 'admin_password') as $required_arg) {
         if (empty(${$required_arg})) {
             WP_CLI::warning("missing --{$required_arg} parameter");
             $missing = true;
         }
     }
     if ($site_url) {
         WP_CLI::set_url($site_url);
     }
     if ($missing) {
         exit(1);
     }
     $public = true;
     $result = wp_install($site_title, $admin_name, $admin_email, $public, '', $admin_password);
     if (is_wp_error($result)) {
         WP_CLI::error('Installation failed (' . WP_CLI::errorToString($result) . ').');
     } else {
         WP_CLI::success('WordPress installed successfully.');
     }
 }