'; * // produces ; * $attributes['disabled'] = FALSE; * echo ''; * // produces ; * @endcode * * @see \Drupal\Core\Template\Attribute */ class AttributeBoolean extends AttributeValueBase { /** * {@inheritdoc} */ public function render() { return $this->__toString(); } /** * Implements the magic __toString() method. */ public function __toString() { return $this->value === FALSE ? '' : Html::escape($this->name); } }