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public function WebformUiElementFormBase::exists in Webform 8.5

Same name and namespace in other branches
  1. 6.x modules/webform_ui/src/Form/WebformUiElementFormBase.php \Drupal\webform_ui\Form\WebformUiElementFormBase::exists()

Determines if the webform element key already exists.

Parameters

string $key: The webform element key.

Return value

bool TRUE if the webform element key, FALSE otherwise.

1 method overrides WebformUiElementFormBase::exists()
WebformUiElementTestForm::exists in modules/webform_ui/src/Form/WebformUiElementTestForm.php
Determines if the webform element key already exists.

File

modules/webform_ui/src/Form/WebformUiElementFormBase.php, line 613

Class

WebformUiElementFormBase
Provides a base class for webform element webforms.

Namespace

Drupal\webform_ui\Form

Code

public function exists($key) {
  $elements = $this->webform
    ->getElementsInitializedAndFlattened();
  return isset($elements[$key]) ? TRUE : FALSE;
}