Revision 15:e200cb7efeb3 core/modules/file/src/Element/ManagedFile.php

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core/modules/file/src/Element/ManagedFile.php
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use Drupal\Core\Ajax\AjaxResponse;
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use Drupal\Core\Ajax\ReplaceCommand;
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use Drupal\Core\Form\FormStateInterface;
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use Drupal\Core\Render\Element;
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use Drupal\Core\Render\Element\FormElement;
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use Drupal\Core\Site\Settings;
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use Drupal\Core\Url;
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    $form_parents = explode('/', $request->query->get('element_parents'));


  		




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    // Sanitize form parents before using them.


  		




  
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    $form_parents = array_filter($form_parents, [Element::class, 'child']);


  		




  
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    // Retrieve the element to be rendered.


  		




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    $form = NestedArray::getValue($form, $form_parents);


  		




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