/**
* Formats the value as an image tag.
* @param mixed $value the value to be formatted.
* @param array $options the tag options in terms of name-value pairs. See [[Html::img()]].
* @return string the formatted result.
*/
public function asImage($value, $options = [])
{
if ($value === null) {
return $this->nullDisplay;
}
return Html::img($value, $options);
}
/**
* Renders the widget.
*/
public function run()
{
$this->registerClientScript();
if ($this->hasModel()) {
$input = Html::activeTextInput($this->model, $this->attribute, $this->options);
} else {
$input = Html::textInput($this->name, $this->value, $this->options);
}
$route = $this->captchaAction;
if (is_array($route)) {
$route['v'] = uniqid();
} else {
$route = [$route, 'v' => uniqid()];
}
$image = Html::img($route, $this->imageOptions);
echo strtr($this->template, ['{input}' => $input, '{image}' => $image]);
}