/**
* Generates a label tag for [[attribute]].
* @param string|boolean $label the label to use. If null, the label will be generated via [[Model::getAttributeLabel()]].
* If false, the generated field will not contain the label part.
* Note that this will NOT be [[Html::encode()|encoded]].
* @param array $options the tag options in terms of name-value pairs. It will be merged with [[labelOptions]].
* The options will be rendered as the attributes of the resulting tag. The values will be HTML-encoded
* using [[Html::encode()]]. If a value is null, the corresponding attribute will not be rendered.
* @return $this the field object itself
*/
public function label($label = null, $options = [])
{
if ($label === false) {
$this->parts['{label}'] = '';
return $this;
}
$options = array_merge($this->labelOptions, $options);
if ($label !== null) {
$options['label'] = $label;
}
$this->parts['{label}'] = Html::activeLabel($this->model, $this->attribute, $options);
return $this;
}