/**
* Executes the widget.
* @return string the result of widget execution to be outputted.
* @uses [[renderIcon]]
*/
public function run()
{
if ($this->label !== false) {
$label = $this->encodeLabel ? Html::encode($this->label) : $this->label;
} else {
$label = '';
}
$content = $this->renderIcon() . $label;
return $this->tagName === 'button' ? Html::button($content, $this->options) : Html::tag($this->tagName, $content, $this->options);
}
