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- <?php
- namespace Drupal\Core\Ajax;
- use Drupal\Core\EventSubscriber\MainContentViewSubscriber;
- /**
- * Provides a helper to determine if the current request is via AJAX.
- *
- * @internal
- */
- trait AjaxHelperTrait {
- /**
- * Determines if the current request is via AJAX.
- *
- * @return bool
- * TRUE if the current request is via AJAX, FALSE otherwise.
- */
- protected function isAjax() {
- foreach (['drupal_ajax', 'drupal_modal', 'drupal_dialog'] as $wrapper) {
- if (strpos($this->getRequestWrapperFormat(), $wrapper) !== FALSE) {
- return TRUE;
- }
- }
- return FALSE;
- }
- /**
- * Gets the wrapper format of the current request.
- *
- * @string
- * The wrapper format.
- */
- protected function getRequestWrapperFormat() {
- return \Drupal::request()->get(MainContentViewSubscriber::WRAPPER_FORMAT);
- }
- }
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