Element hidden

Add to Standard shortcuts
hidden =>
array:10 [
  "class" => "Drupal\Core\Render\Element\Hidden"
  "provider" => "core"
  "id" => "hidden"
  "#input" => true
  "#process" => array:1 [
    0 => array:2 [
      0 => "Drupal\Core\Render\Element\Hidden"
      1 => "processAjaxForm"
    ]
  ]
  "#pre_render" => array:1 [
    0 => array:2 [
      0 => "Drupal\Core\Render\Element\Hidden"
      1 => "preRenderHidden"
    ]
  ]
  "#theme" => "input__hidden"
  "#value_callback" => array:2 [
    0 => "Drupal\Core\Render\Element\Hidden"
    1 => "valueCallback"
  ]
  "#type" => "hidden"
  "#defaults_loaded" => true
]