protected function getValue($attribute, $event)
    {
        if (!isset($this->attributes[$attribute][$event->name])) {
            return null;
        }
        $value = $this->attributes[$attribute][$event->name];
        if ($value instanceof Closure || (is_array($value) && is_callable($value))) {
            return $value($event, $attribute);
        }

        return $value;
    }
protected function getValue($attribute, $event)
    {
        if (!isset($this->attributes[$attribute][$event->name])) {
            return null;
        }
        $value = $this->attributes[$attribute][$event->name];
        if ($value instanceof Closure || (is_array($value) && is_callable($value))) {
            return $value($event, $attribute);
        }

        return $value;
    }
protected function getValue ( $ attribute , $ event ) { if ( ! isset ( $ this -> attributes [ $ attribute ] [ $ event -> name ] ) ) { return null ; } $ value = $ this -> attributes [ $ attribute ] [ $ event -> name ] ; if ( $ value instanceof Closure || ( is_array ( $ value ) && is_callable ( $ value ) ) ) { return $ value ( $ event , $ attribute ) ; } return $ value ; }
Returns the value for the current attributes.
This method is called by [[evaluateAttributes()]]. Its return value will be assigned
to the target attribute corresponding to the triggering event.
@param string $attribute target attribute name
@param Event $event the event that triggers the current attribute updating.
@return mixed the attribute value
Returns the value for the current attributes . This method is called by [[ evaluateAttributes () ]] . Its return value will be assigned to the target attribute corresponding to the triggering event .