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Thakur avatar Drupal

How can I retrieve information about the current request's URL?

us flag
Thakur

I need help finding a way to get the current request URL in a controller and, based on that, change the webform name in the controller.

My code:

'#url' => Url::fromRoute('entity.webform.canonical',['webform' => 'form1'])

In this line of code, how can I switch between form1 or form2 based on whether the request URL contains a particular path?

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Score:3
4uk4 avatar Drupal
cn flag
4uk4

I need help finding a way to get the current request URL in a controller

In a controller get the request with a type-hinted argument Request $request:

<?php

namespace Drupal\mymodule\Controller;

use Drupal\Core\Controller\ControllerBase;
use Symfony\Component\HttpFoundation\Request;
use Drupal\Core\Url;

class ExampleController extends ControllerBase {

  /**
   * Controller to return a link to a webform.
   */
  public function action(Request $request) {

    // calculate $webform with $request->getPathInfo()

    return [
      '#type' => 'link',
      '#title' => 'Foo',
      '#url' => Url::fromRoute('entity.webform.canonical', ['webform' => $webform]),
      '#cache' => ['contexts' => ['url.path']],
    ];
  }

}

You can get other information from the request, but then you need to adjust the cache context(s). See for example https://drupal.stackexchange.com/a/245597/47547

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leymannx avatar
ne flag
leymannx
You don't need to inject it?
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4uk4 avatar
cn flag
4uk4
No, this is the most basic usage of a controller receiving a request and returning a response.
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Score:1
avatar Drupal
cn flag
Clive

URL info is available from the request_stack service. In procedural code getting the URL looks like this:

$url = \Drupal::request()->getRequestUri();

There's also a helper to get query parameters if you need them, e.g.

if (!empty(\Drupal::request()->query->get('foo'))) {
  
}

In your case you should inject the request_stack service into your controller, and get the request object from its getCurrentRequest() method (rather than getting it from \Drupal::request() directly).

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