common/models/resources/File.php
public function getThumbPath() {

		if( isset( $this->thumb ) ) {

			return Yii::$app->fileManager->uploadDir . '/' . $this->thumb;
		}

		return false;
	}
public function getThumbPath() {

		if( isset( $this->thumb ) ) {

			return Yii::$app->fileManager->uploadDir . '/' . $this->thumb;
		}

		return false;
	}
public function getThumbPath ( ) { if ( isset ( $ this -> thumb ) ) { return Yii :: $ app -> fileManager -> uploadDir . '/' . $ this -> thumb ; } return false ; }
Return physical storage location of thumb.

@return string|boolean
Return physical storage location of thumb .