URL query attribute to indicate the wrapper used to render a request.
The wrapper format determines how the HTML is wrapped, for example in a modal dialog.
File
- core/lib/Drupal/Core/EventSubscriber/MainContentViewSubscriber.php, line 54
Class
- MainContentViewSubscriber
- View subscriber rendering main content render arrays into responses.
Namespace
Drupal\Core\EventSubscriber
Code
const WRAPPER_FORMAT = '_wrapper_format';
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