public function behaviors() { return [['class' => ImageExist::className(), 'srcAttrName' => 'filename']]; }
public function behaviors() { return [['class' => ImageExist::className(), 'srcAttrName' => 'filename'], ['class' => ActiveRecordHelper::className()]]; }
public function behaviors() { return [['class' => ImageExist::className(), 'srcAttrName' => 'thumb_path']]; }