RedirectCommand.php

<?php

namespace Drupal\Core\Ajax;


/**
 * Defines an AJAX command to set the window.location, loading that URL.
 *
 * @ingroup ajax
 */
class RedirectCommand implements CommandInterface {
    
    /**
     * The URL that will be loaded into window.location.
     *
     * @var string
     */
    protected $url;
    
    /**
     * Constructs an RedirectCommand object.
     *
     * @param string $url
     *   The URL that will be loaded into window.location. This should be a full
     *   URL.
     */
    public function __construct($url) {
        $this->url = $url;
    }
    
    /**
     * Implements \Drupal\Core\Ajax\CommandInterface:render().
     */
    public function render() {
        return [
            'command' => 'redirect',
            'url' => $this->url,
        ];
    }

}