public function YamlFormUiElementFormBase::exists in YAML Form 8

Determines if the form element key already exists.

Parameters

string $key: The form element key.

Return value

bool TRUE if the form element key, FALSE otherwise.

1 method overrides YamlFormUiElementFormBase::exists()

YamlFormUiElementTestForm::exists in modules/yamlform_ui/src/Form/YamlFormUiElementTestForm.php

Determines if the form element key already exists.

File

modules/yamlform_ui/src/Form/YamlFormUiElementFormBase.php, line 330

Class

YamlFormUiElementFormBase

Provides a base class for form element forms.

Namespace

Drupal\yamlform_ui\Form

Code

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