protected function renderAttribute($attribute, $index)
{
if (is_string($this->template)) {
$captionOptions = Html::renderTagAttributes(ArrayHelper::getValue($attribute, 'captionOptions', []));
$contentOptions = Html::renderTagAttributes(ArrayHelper::getValue($attribute, 'contentOptions', []));
return strtr($this->template, ['{label}' => $attribute['label'], '{value}' => $this->formatter->format($attribute['value'], $attribute['format']), '{captionOptions}' => $captionOptions, '{contentOptions}' => $contentOptions]);
} else {
return call_user_func($this->template, $attribute, $index, $this);
}
}