function File::preRenderFile
Prepares a #type 'file' render element for input.html.twig.
For assistance with handling the uploaded file correctly, see the API provided by file.inc.
Parameters
array $element: An associative array containing the properties of the element. Properties used: #title, #name, #size, #description, #required, #attributes.
Return value
array The $element with prepared variables ready for input.html.twig.
File
- 
              core/lib/ Drupal/ Core/ Render/ Element/ File.php, line 74 
Class
- File
- Provides a form element for uploading a file.
Namespace
Drupal\Core\Render\ElementCode
public static function preRenderFile($element) {
  $element['#attributes']['type'] = 'file';
  Element::setAttributes($element, [
    'id',
    'name',
    'size',
  ]);
  static::setAttributes($element, [
    'js-form-file',
    'form-file',
  ]);
  return $element;
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
