framework/base/Model.php
public function getAttributeHint($attribute)
    {
        $hints = $this->attributeHints();
        return isset($hints[$attribute]) ? $hints[$attribute] : '';
    }
public function getAttributeHint($attribute)
    {
        $hints = $this->attributeHints();
        return isset($hints[$attribute]) ? $hints[$attribute] : '';
    }
Returns the text hint for the specified attribute.
@param string $attribute the attribute name
@return string the attribute hint
@see attributeHints()
@since 2.0.4